Best Appetite Suppressants That Work to Control Hunger Cravings

For you to lose weight, you have to maintain a caloric deficit. There’s simply no way around it. Without a caloric deficit, your body will not be able to help you shed weight. Even worse, limiting caloric intake can be easier said than done.

An appetite suppressant may help you limit your caloric intake and control your food cravings so you can finally achieve a caloric deficit.

All appetite suppressants claim that they can lower your appetite. Unfortunately, many don’t contain the right ingredients or dosages to back up their claims. Some products can reduce your craving for hours, whereas others make you feel full for only 30 minutes, only to make you crave food even worse.

To make your life easier, our research team has diligently looked into hundreds of appetite suppressants. We researched their ingredients & dosages, customer reviews, company reputation, and much more to separate the best appetite suppressants from the imposters.

Here are the very best products if you’re looking for an appetite suppressant for 2021 and beyond.

The Best 23 Appetite Suppressants for 2021

If you’re in the business for an appetite suppressant, then here are the best appetite suppressants to curb your cravings for 2021 and beyond:

  • Java Burn
  • PhenQ
  • Okinawa Flat Belly Tonic
  • BioFit
  • App Away
  • VivaSlim
  • LeanBean
  • Gundry MD TriTrim
  • Cellucor SuperHD Fat Burner
  • Burn Lab Pro
  • Hunter Burn
  • Trimtone
  • AcidaBurn
  • Hourglass Fit
  • NitriLean
  • CarboFix
  • Zotrim
  • PrimeShred
  • MTN Blaze
  • Powher Fat Burner
  • Instant Knockout
  • PhenGold
  • Exipure

Java Burn


Java Burn is a revolutionary new weight loss supplement that acts as a metabolism booster and an appetite suppressant. Its’ tasteless formula is meant to be mixed with your morning coffee to supercharge your metabolism and inhibit your appetite, thus helping you lose weight.

Java Burn contains green tea extract, chlorogenic acid, and several other natural ingredients that are known to suppress your appetite for long periods. This may help you limit your morning snack, and because it is added to coffee, it can prevent a mid-morning crash.

Java Burn is one of the best appetite suppressing supplements on the market, and a 30-serving pack will only cost you $50. All orders of Java Burn come with a 60-day money-back guarantee as well.



PhenQ is one of the most popular weight loss supplements sold on the Internet. It works in five different ways to support healthy weight loss, one of which is suppressing your appetite.

PhenQ possesses ingredients you don’t typically see in many appetite suppressants as well. It contains nopal cactus extract, which is very high in fiber and causes you to feel full. It also contains caffeine, which is the most well-known appetite suppressant. According to a Cornell University Study, it also has chromium picolinate, which can curb appetite and significantly reduce food cravings.

PhenQ will cost you $69.95, which is about average compared to most appetite suppressants. However, PhenQ is backed by over 190,000 happy customers and comes with a 60-day money-back guarantee.

Overall, with clinically backed ingredients and a stellar reputation, PhenQ is one of the best appetite-suppressing products on the market right now.

Okinawa Flat Belly Tonic


Okinawa Flat Belly Tonic is a red superfood powder rich in probiotics, fruit and vegetable extracts, and herbal extracts. In total, there are over 50 ingredients, all of which are meant to reduce inflammation, support healthy metabolic function, reduce food cravings, and much more.

Some of the ingredients found in Okinawa Flat Belly Tonic include white tea extract, green tea extract, ginger root, cinnamon bark extract, and over 25 fruits and vegetables. These ingredients work together to make you feel fuller for a more extended time, reduce inflammation throughout the body, and support your healthy metabolism.

Although Okinawa Flat Belly Tonic is more of a complete weight loss supplement than just an appetite suppressant, it contains powerful ingredients that can curb your appetite. It costs $89, which is more expensive, but it is backed by thousands of happy customers, making it well worth trying.



BioFit is a unique appetite suppressant that primarily curbs appetite by optimizing your digestion. Studies have found that an unhealthy gut can lead to hunger issues because your gut flora controls the production of hunger hormones.

Every two capsules serving BioFit contain 40 billion colony forming units or CFUs. These CFUs help balance your gut flora to restore healthy digestion and to help you better control food cravings throughout the day.

BioFit costs $69 and comes with a 60-day money-back guarantee on all orders.

Any purchase also provides you with a recipe book, a diet tips guide, and a private members forum if you purchase their product. These bonuses can help you further advance to your weight loss goal.

If you’re someone who suffers from frequent digestive issues and uncontrollable food cravings, then BioFit might be the right product for you.



AppAway is an oral supplement designed to take away even the most severe food cravings. According to the official website, AppAway works by suppressing your primary hunger hormone, which you probably know as ghrelin. When too much ghrelin is produced, insatiable food cravings develop, and you can eat and eat all day long without feeling full. Suppressing this hormone can help stabilize your food cravings and limit your caloric intake to healthy levels.

The main ingredient in AppAway is known as HC-peptide. This patented ingredient has been clinically studied and proven to suppress appetite throughout the entire day. AppAway is one of the few appetite suppressants to contain this ingredient, which is why it has separated itself from your standard appetite suppressant.

AppAway costs $49 and comes with a 180-day money-back guarantee. If you’re someone who struggles with insatiable food cravings, then AppAway may be the proper appetite suppressant to curb your food cravings.



VivaSlim is a dual combination weight loss supplement that helps support weight loss by suppressing your appetite and boosting metabolism. Unlike most of the products on our rankings, VivaSlim comes in liquid tincture form.

According to the official website, VivaSlim users have lost anywhere from 36 to 54lbs. after taking VivaSlim for a few months. Better yet, it claims it can help you lose weight regardless of your age, weight, or gender.

VivaSlim contains ingredients like African mango, maca root, beta-alanine, Rhodiola Rosea, Astragalus, and various amino acids to achieve these results. All of these ingredients work together to enhance your metabolism so you can burn fat. They also make you feel fuller to suppress your appetite, to limit your daily caloric intake.

VivaSlim costs $49 for a one-bottle supply, and it comes with a 365-day full money-back guarantee. If you’re looking for something to both support your metabolism and curb your appetite, then VivaSlim may be right for you.



Leanbean is a weight management product designed specifically for the needs of a woman’s body. It may be arguably the most potent appetite suppressant on our rankings because it contains one of the most considerable doses of glucomannan at 3,000mg per serving. By taking Leanbean, you can not only curb your appetite – you can torch fat as well.

As mentioned, glucomannan is the main ingredient to curb your appetite. However, the manufacturer also added green coffee extract, chromium, garcinia cambogia, and B vitamins to enhance your metabolic function as well. This dual combo approach to weight loss makes Leanbean one of the most potent weight loss supplements available.

Currently, Leanbean is available for only $59 for a one-month supply. Every order comes with a 90-day money-back guarantee, which shows the manufacturer’s confidence that Leanbean can successfully help you lose weight.

If you are a woman struggling with food cravings or suffering from slow metabolism, then Leanbean may be right for you. It is by far one of the best weight loss supplements available, and thousands of positive reviews back it from customers worldwide.

GundryMD TriTrim


TriTrim is one of the most effective appetite suppressants that work in three main ways. It blocks carbs, suppresses sugars, and blocks fat. This triple-action approach to appetite suppression makes TriTrim a fan favorite amongst dieters looking to curb their appetite.

TriTrim contains numerous ingredients to deliver these benefits to you within weeks. Some elements included are turmeric, ashwagandha, glucomannan, white kidney bean extract, and much more. All of these ingredients are known to curb your food cravings and prevent unhealthy eating in various ways.

TriTrim costs $240 for a one-month supply, which sounds expensive, but in reality, you can get three supplements in one. Each box contains Sugar Suppress to maintain healthy blood sugar levels, a fat blocker to inhibit the storage of fat, and a carb defense, to block the conversion of carbs into fat.

GundryMD is one of the most well-respected names in the supplement industry, and it has a history of developing beneficial, safe supplements. Each order comes with a 90-day money-back guarantee and offers you one of the most effective natural products to curb your appetite to lose weight.

Cellucor SuperHD Fat Burner


SuperHD Fat Burner is a popular fat burner made by Cellucor, one of the most well-respected and largest supplement companies in the space. Unlike many other products on our list, SuperHD’s primary function is as a fat burner – with appetite suppression as a secondary benefit.

The primary appetite suppressing ingredients in SuperHD include capsaicin extract and caffeine anhydrous. Studies have found caffeine may significantly reduce craving for an extended period, and SuperHD contains a slow-releasing type of caffeine that may provide long-lasting appetite suppressing benefits.

SuperHD Fat Burner is priced at $79, one of the most expensive supplements on our rankings. However, SuperHD is manufactured by Cellucor, which is one of the most trusted names in the supplement industry. Plus, it is backed by thousands of customer reviews and clinically studied ingredients, making SuperHD Fat Burner a solid choice if you only need appetite suppression as a secondary benefit.

Burn Lab Pro


Burn Lab Pro is an all-natural weight loss supplement targeted towards athletes who want to lose weight without losing muscle mass. Taking Burn Lab Pro can supposedly burn fat, enhance energy levels, and reduce appetite without causing you to break down muscle while you lose weight.

Each vegan capsule of Burn Lab Pro contains ForsLean® to burn fat, Capsimax® to minimize caloric intake, HMB to preserve muscle mass, chromium to block fat storage, and Bioperine® to absorb other nutrients in Burn Lab Pro.

A 30-day money-back guarantee backs Burn Lab Pro, and it starts at $59 for a one-month supply. It is also backed by the testimonials of thousands of happy customers from all over the world. It is an ideal weight loss supplement if you’re an athlete or bodybuilder looking to maximize your weight loss efforts without losing muscle mass.

Hunter Burn


Hunter Burn is a premium weight loss supplement that neutralizes hunger, induces thermogenesis, and enhances energy levels. It is manufactured by Hunter Evolve, part of Wolfson Brands, one of the premier supplement manufacturers.

Hunter Burn contains 3,000mg of konjac root (glucomannan) in every six capsules serving to suppress your appetite. It also blocks carbohydrates with white kidney bean extract. To boost your metabolism, Hunter Burn contains matcha green tea, theanine, and cayenne pepper.

Hunter Burn currently costs $75 per bottle, which is pricier than other options but may be well worth it. All of the ingredients in Hunter Burn have been extensively studied and proven to support weight loss in various ways. Plus, Hunter Burn has been backed by a 60-day money-back guarantee and thousands of positive customer reviews since its inception.

If you’re looking for a premium appetite suppressant that does more than just that, then Hunter Burn may be the perfect supplement for you.



Trimtone is an elite weight loss supplement specifically designed for women. According to the makers of Trimtone, it can help you successfully lose weight by inducing thermogenesis and suppressing your appetite.

The main appetite suppressing ingredient in Trimtone is glucomannan, arguably the most well-proven ingredient known to curb food cravings. It also contains additional ingredients like caffeine and green tea extract. All of the ingredients use clinically studied dosages to maximize their effectiveness.

Since Trimtone launched, millions of women have lost a significant amount of weight and kept it off. It remains one of the most effective weight loss supplements for women and is competitively priced at only $50. It also has a 100-day money-back guarantee, which is longer than most other products on our rankings. It also uses 3rd party labs to test for purity, potency, and quality, which is a must given the number of supplement scams currently in the market.

If you’re a woman looking for something specifically designed to accommodate your body’s needs, then Trimtone is the perfect supplement for you.



Acidaburn is a lesser-known weight loss supplement that claims to help you lose up to 47lbs of fat simply by adding its formula to your daily regimen. According to some customer testimonials, some customers have lost 35lbs in just weeks after starting Acidaburn.

Acidaburn uses a blend of natural ingredients like glucomannan, apple pectin fruit, oat bran, aloe vera leaf, black walnut extract, and psyllium husk to achieve these results. Unfortunately, Acidaburn doesn’t disclose the exact dosage of each ingredient.

While glucomannan and apple pectin have been proven to reduce appetite, the other ingredients have not. However, they promise to balance your gut flora, and healthy gut health has been shown to improve appetite and reduce food cravings.

Acidaburn isn’t a traditional appetite suppressant, but it claims to have helped 21,000+ people lose weight. The weight-loss claims may be a little extreme, but they contain clinically studied ingredients proven to support a healthy appetite and weight loss.

Acidaburn starts at $59 per bottle with discounts on multiple bottle packages. Every order comes with a 60-day money-back guarantee.

Hourglass Fit


Hourglass Fit is a powerful weight loss supplement that reduces overall caloric intake and beats food cravings. This four capsule regimen is designed to offer you “round the clock support” to keep hunger at bay and provide you with nutrient support both day and night. It is specifically formulated for women and is rated one of the best appetite suppressants for women by users.

The main ingredient in Hourglass Fit is glucomannan, arguably the most potent appetite suppressing component currently available. Hourglass Fit also contains 5-HTP, vitamin B2, vitamin B6, vitamin B12, chromium zinc, capsicum, and Bioperine® for additional support.

By taking Hourglass Fit, you can keep even your biggest food cravings at bay. Its potent formula uses the most clinically studied ingredients known to suppress appetite to help you maintain a healthy weight.

You can buy Hourglass Fit for $55 per bottle, and it comes with a money-back guarantee. If you’re a woman who struggles with food cravings, then Hourglass Fit could be the perfect supplement for you.



NitriLean is a unique fat-burning supplement that promises to allegedly enhance nitric oxide levels to help you lose weight. Nitric oxide is a natural chemical that relaxes blood vessels, lowering your blood pressure and improving circulation.

NitriLean contains beetroot and other nitric oxide boosters like arginine to enhance your blood flow. It also contains garcinia cambogia, green tea extract, and cayenne pepper – three ingredients proven to support a healthy appetite.

NitriLean costs $59 per bottle and comes with a 60-day money-back on all orders. You can also purchase multiple bottles from the official website and potentially reduce the cost per bottle.

NitriLean claims to help you lose “1.8lbs every 36 hours”, which seems extreme given that most individuals cannot safely lose 36lbs in a month. However, it remains a popular weight loss supplement and does have appetite-suppressing ingredients, so it may still be worth a shot.



CarboFix is a “carbohydrate management formula” designed to stabilize appetite by regulating your blood sugar levels. According to the manufacturer, it was developed based on an ancient tribal secret from Ecuador. It supposedly can turn on your metabolism in just “3 seconds”, helping you burn stubborn fat.

CarboFix discloses its ingredients upfront. Each two capsule serving contains 200mg of chromium, 400mg of berberine, 50mg of alpha-lipoic acid, and 100mg of cinnamon bark extract, amongst other ingredients that support healthy blood sugar levels. These ingredients are also known to support healthy metabolic function and increase longevity and have several other benefits.

CarboFix costs $49 per bottle and comes with a 60-day money-back guarantee on all orders. Although it isn’t a traditional appetite suppressant, blood sugar levels play a crucial role and appetite. Therefore, it may be a product worth trying, especially if blood sugar levels are a problem for you.



Zotrim claims to be the “clinically proven appetite suppressant” to help you curb your cravings, resist snacking, and cut your overall caloric intake. To help you curb your appetite, Zotrim uses a simple, all-natural formula with ingredients like guarana extract, yerba mate, damiana leaf extract, caffeine, vitamin B3, and vitamin B6.

Zotrim is one of the only appetite suppressants on our rankings that have the backing of clinical studies. In one study, participants that used Zotrim ate 112 fewer calories per meal and consumed less high fat-foods during meals.

Zotrim is available directly through the official website starting at $49.99 with discounts on multiple package orders. Every order comes with a 100-day money-back guarantee as well.

With high-quality ingredients, real clinical studies, and thousands of happy reviews, it is no wonder Zotrim is one of the best appetite suppressants available. Although it doesn’t have many fat-burning ingredients, it is still an ideal supplement if you exclusively suffer from insatiable food cravings.



PrimeShred is a popular weight loss supplement that helps induce thermogenesis, supports healthy metabolic function, and curbs your food cravings. According to the manufacturer, its’ three-pronged approach to weight loss can lead to incredible weight loss results.

Although primarily a fat burner, PrimeShred contains several ingredients known to suppress appetite. For example, PrimeShred has a healthy 500mg dose of green tea extract and a 255mg dose of caffeine anhydrous, which gives you all of the appetite-suppressing benefits of caffeine without the adverse side effects.

PrimeShred costs $59 for a one-month supply and comes with a long 100-day money-back guarantee in the unlikely event you don’t feel the effects you desire. If you’re looking for a potent appetite suppressant backed with clinically studied ingredients and thousands of happy customers, then PrimeShred may be the right weight loss product for you.

MTN Blaze


MTN Blaze is a weight loss supplement that promises to help you burn fat more effortlessly and reduce your caloric intake during meals. Take one capsule before breakfast and one before lunch with water about 30 minutes before each meal.

MTN Blaze contains green tea extract, caffeine, African Mango, and cayenne pepper to curb your appetite. It also added raspberry ketones, Caralluma fimbriate, and guggulipid 2.5% guggulsterones for added fat-burning support. These ingredients can help you lose weight, improve your mental clarity & focus, and prevent overeating from helping you achieve your weight loss goals.

MTN Blaze is one of the most affordable appetite suppressants on our list at only $30 for a one-month supply. However, despite the low price, MTN Blaze is still an effective appetite suppressant with an average rating of 4.6/5.

Overall, MTN Blaze may be a top choice if you’re on a strict budget and can’t afford some of the more expensive appetite suppressants on our list.

Powher Fat Burner


Powher is a specialty weight loss product designed specifically for women. Its potent all-natural formula is designed to support healthy fat metabolism and to curb unhealthy food cravings. According to the manufacturer, Powher contains ingredients that can cater specifically to the needs of a woman’s body, which is why it is so effective.

Powher contains 3,000mg of glucomannan, which is standard amongst most appetite suppressants, to curb your cravings. It also contains caffeine, which is one of the most well-studied appetite-suppressing natural ingredients available.

One bottle of Powher will cost $65, but you can order three bottles for $195 and receive an additional bottle completely free. It also comes with a full 100% money-back guarantee with no time length is given, which means you can return Powher at any time if you don’t reap the benefits of this potent weight loss supplement.

Overall, Powher is a great weight loss product if you’re looking for a dual combination metabolism booster and appetite suppressant. If you’re a woman, then Powher is probably one of the best appetite suppressants available to you right now.

Instant Knockout Cut


Instant Knockout Cut has been one of the leading weight loss supplements since it was launched in 2014. Taking just a few capsules of Instant Knockout today can help you lose weight by inducing thermogenesis, enhancing your metabolism, and controlling your appetite.

Instant Knockout Cut contains ingredients like green tea extract, caffeine, and cayenne powder to reduce your appetite. However, the real power comes in a 1,800mg dose of glucomannan, the most well-known appetite suppressant available. Glucomannan acts like fiber and absorbs water in your gut to make you feel fuller for longer.

Instant Knockout Cut only costs $59 and is backed by a manufacturer’s 30-day money-back guarantee. It is the ideal supplement for athletes or bodybuilders looking to make weight or start their cutting cycle because of its comprehensive approach to weight loss. Backed by thousands of happy customer reviews, Instant Knockout Cut is a fantastic weight loss product and one you should consider.



PhenGold has been one of the leading weight loss supplements sold on the Internet since it launched several years ago. It uses a multi-action formula that improves your mood and energy levels, boosts metabolic function, induces thermogenesis, and reduces your food cravings. It claims to be one of the few products that use clinically studied ingredients that are both safe and effective in supporting weight loss.

Many of the most potent appetite suppressants known to man are found in PhenGold. These ingredients include green tea extract, caffeine, DMAE, theanine, and several other natural ingredients. In addition, PhenGold contains other natural ingredients like cayenne pepper, green coffee bean extract, and tyrosine to boost your metabolism and enhance your energy levels.

One bottle of PhenGold will only cost you $59.99 for a one-month supply, and a full 100% satisfaction guarantee backs each order. This means you can receive a full refund from your purchase if you are dissatisfied with your experience with PhenGold in any way.

PhenGold has everything you could want in an appetite suppressant. It has clinically proven ingredients, transparent labeling & dosages, a top-quality money-back guarantee, thousands of positive reviews, and a stellar reputation. If you’re looking for a complete weight loss product, then PhenGold may be right for you.

How We Ranked the Best Appetite Suppressants

All appetite suppressants claim they can block hunger and control food cravings. However, this is easier said than done. To rank the best appetite suppressants from the frauds, we used the following ranking factors:

Clinically Proven Ingredients & Dosages

Peer-reviewed studies have found several natural ingredients that can block hunger or control unhealthy food cravings. Some elements can effectively stop you from overeating, whereas other components do not. Fiber and herbal extracts that act similarly to fiber, for example, are known to trick you into thinking you are full. Capsaicin is another ingredient known to limit the caloric intake as well.

The more clinically proven ingredients added to a product, the higher we ranked it. We also preferred products that contained dosages that were clinically proven to be effective.

Personal Testing

Appetite is subject to how an individual personally feels. Some people can feel hungry all the time, and others only feel mild hunger. To honestly rank the top appetite suppressants, we tested the top-ranked formulas on our list. Our editorial team rated each product and how it made them feel. It became clear that some appetite suppressants could reduce food cravings and hunger for a more extended period.

Transparent & Honest Advertising & Benefits

Any appetite suppressant that claims you can lose a large amount of weight with minimal effort or any exercise should be taken with skepticism. Some sketchy weight loss companies claim you can lose up to 20lbs. in just a few weeks, without dieting or exercising, for example. Other appetite suppressants claim they can prevent you from eating all day, which is unrealistic. We preferred companies that were transparent about what their products could do and avoided ridiculous marketing tactics.

Label Transparency

Too many companies hide behind “proprietary blends” so they do not have to disclose all of the ingredients in their product. While we understand it is essential to prevent other companies from stealing formulas, we still prefer products that disclose their ingredients and dosages.

Complimentary Benefits

Some appetite suppressants focus entirely on curbing your hunger. Others deliver complementary benefits by acting as a thermogenic fat burner, carb blocker, or metabolism booster. We considered these complementary effects a bonus because you are more likely to see better weight loss results when combining appetite suppression with improved metabolic function.

Manufacturing Reputation

The weight loss industry has always been riddled with scams, and today’s weight loss industry is no different. Some companies have created cheap, ineffective appetite suppressants to make a few dollars. Others have thoroughly researched and formulated their products to maximize effectiveness and safety. We preferred companies that had a stellar reputation for producing supplements that worked.

Cost & Overall Value

It is essential to find a quality appetite suppressant, regardless of what your budget is. Whether you’re willing to spend $20 or $200, you should be able to find a solid product. We featured appetite suppressants at various price points so that we could accommodate any budget. We also considered the price of each supplement based on its ingredients and dosages to maximize the value you receive from each product.

Money-back Guarantee

Hunger is very subjective and dependent on each individual. Some people may experience robust appetite suppression, whereas others may not. Several different factors can impact your appetite, which means a product may not quite work for you. This is why we preferred products that were backed by an explicit money-back guarantee and satisfaction guarantee. It shows that each manufacturer stands by their product by offering your money back – showing they are confident in their product.

Customer Reviews

The best way to figure out the best appetite suppressants was to read the actual customer reviews of each product. After all, what better way to get the average customer experience than to read what they had to say.

We examined whether or not customers enjoyed each product, whether or not they experienced any side effects if they lost weight, and if they would recommend the product to their friends and family. If the answers to our questions were primarily positive, we considered the product a better appetite suppressant and more likely to give you the desired results. However, we still avoided products that seemed overly fake or manufactured reviews because we found these products to be deceiving.

Who Can Benefit from an Appetite Suppressant?

Virtually anyone can benefit from an appetite suppressant. Some people take appetite suppressants once they’ve hit a weight loss plateau. Others take appetite suppressants to curb their unhealthy food cravings.

Some of the people who can benefit from taking appetite suppressants include:

  • Anyone who is trying to lose weight
  • Someone starting a new diet program – especially for the first time
  • Someone who has hit a weight loss plateau and needs a boost to break through their plateau
  • Anyone who struggles with unhealthy food cravings or lacks willpower
  • Busy, on the go individuals who don’t have the time to eat full meals throughout the day
  • Someone who needs to follow a low-calorie diet who wants to avoid hunger pangs

Side Effects of Appetite Suppressants

For the most part, appetite suppressants should not cause any severe side effects when used by otherwise healthy adults in proper dosages.

Per FDA regulations, appetite suppressants must use ingredients and dosages granted a GRAS status or generally recognized as safe. Although the FDA doesn’t regulate supplements, supplements must formulate their products from a list of ingredients that have been determined to be safe by otherwise healthy adults in standard dosages.

With that said, some ingredients found in appetite suppressants have been shown to cause side effects potentially. Some of these typical side effects include:

  • Constipation
  • Indigestion
  • Headaches
  • Fatigue
  • Nausea
  • Diarrhea

If you have a particular health condition or are taking any medication, then it is good to consult your doctor before trying an appetite suppressant. Although it is still unlikely, it is still entirely possible that these products can interfere with your medication.

If for some reason, you do feel like an appetite suppressant may not be suitable for you, then you should consult your doctor before trying the product. It likely won’t cause any side effects, but caution is always recommended.

Appetite Suppressant Dosage

It’s always important to check the label on your appetite suppressant to see their recommended dosage. Different ingredients commonly included in appetite suppressants all use different dosages, although not all dosages are known.

Most capsules require you to take two capsules 20 to 30 minutes before each meal. These ingredients should help you consume fewer calories when you eat, minimizing your caloric intake throughout the day.

However, science does give us a specific dosage of certain ingredients.

For example, glucomannan seems to work best when taken at doses of 2g to 4g per day. Garcinia cambogia looks effective at doses of 1g to 2g per day.

What Science Says About Appetite Suppressant

Several plants, herbs, vitamins, and minerals have been clinically studied and proven to help control appetite. Even better, most of these trials are double-blind, placebo-controlled studies, which are the gold standard for clinical trials. We’ll review the most conclusive data surrounding ingredients related to appetite suppression.

Many of the appetite suppressants on our rankings contain a trans-fat known as conjugated linoleic acid or CLA. CLA is primarily found in fatty animal products, and it is used in supplement form to reduce hunger, stimulate the breakdown of fat, and block appetite. Many appetite suppressants only contain CLA as its’ active ingredient because many experts believe it is.

Science suggests it does indeed have powerful hunger blocking and fat-burning effects. One study found that CLA increased fat burning and blocked fat production while increasing feelings of fullness in adult participants.

In a review of 18 individual studies involving CLA, researchers found that a 3.2g dose could reduce body fat. Another study found that taking 3.6g of CLA per day for 13 weeks led to lower overall appetite and greater fullness than a placebo. If you’re looking for a CLA supplement to lower your craving, then you should try one with at least 3g per serving.

You probably already take one of the best natural appetite suppressants daily. Coffee, the second most-consumed drink in the world, is a natural appetite suppressant. Studies have found that coffee can support weight loss by improving your metabolism and by increasing calorie burning. However, it can also help you eat less, reducing your daily caloric consumption.

One study found that taking caffeine 30 minutes to 4 hours before a meal could reduce the total number of calories consumed during that meal. Another study found that adults that drank coffee were less likely to eat after a meal and snack less throughout the day. This suggests that coffee can have appetite-suppressing effects all day.

Fiber supplements are amongst the most popular ingredients, and they are proven to work. Science is elementary too. Fiber works by soaking up water in your stomach, which creates a gel-like paste in your digestive tract. Your body cannot digest fiber, at least quickly, so it sits in your gut and makes you feel fuller for a more extended period. It also encourages healthy digestion of other nutrients and helps keep your bowel movements regular, promoting weight loss. This is why various forms of fiber are commonly added to weight loss supplements – particularly appetite suppressants.

Glucomannan is another popular ingredient found in most appetite-suppressing supplements. Glucomannan acts a lot like fiber because it absorbs water and turns into a paste. It promotes the feeling of fullness and delays stomach emptying, which makes you feel fuller for a more extended time.

A long-term study on glucomannan found that 3g of glucomannan taken once per day could significantly help obese adults drop body weight and fat compared to a placebo group. Another study involving 176 overweight adults found that glucomannan enabled adults to lose “significantly more weight” than the placebo group. Even though they were instructed to follow a low-calorie diet, they also had a noticeable reduced daily caloric intake than the placebo group.

Garcinia cambogia is relatively new in the appetite suppressant industry, but it has quickly become one of the most prized ingredients. Tens of thousands of adults take garcinia cambogia to suppress their appetite, block fat formation, and for weight loss. According to experts, garcinia cambogia fruit contains a compound known as hydroxycitric acid, or HCA, which possesses weight loss properties.

In one study, researchers found that garcinia cambogia reduced overall caloric intake, helping participants consume fewer calories per day – encouraging more significant weight loss. Another study linked garcinia cambogia to reduced appetite, lower body weight, and prevent new fat formation.

Gymnema Sylvestre is another herbal extract that isn’t known outside the supplement space. However, it’s a proven appetite suppressant. Gymnema contains a group of compounds called gymnemic acids. These acids prevent the absorption of sugar in your blood, which can stabilize your appetite.

Many of the studies involving Gymnema admittedly have involved animals, not humans. One study found that Gymnema helped animals maintain their weight while fed a high-fat diet for ten weeks. Other studies have found similar results.

Green tea extract is arguably one of the most popular ingredients added to weight loss in today’s supplements, and studies have found that green tea extract can help suppress your appetite. This is because green tea extract contains catechins and caffeine. Caffeine has proven appetite suppressing effects, as well as metabolism-boosting effects. Studies have found that the catechins in green tea, particularly EGCG, seem to suppress appetite to reduce overall caloric intake.

Finally, fenugreek is a popular appetite suppressing ingredient, and it has several benefits for the human body. Fenugreek is commonly added to appetite suppressants because its seeds are 45% fiber. Some of the fiber is soluble, and some are insoluble. These fibers have been linked to better appetite control, cholesterol levels, and blood sugar regulation, which is why fenugreek is a popular supplement.

It is thought that fenugreek works by slowing carb and fat absorption and delaying the emptying of your stomach. In one study, researchers gave obese adult women 8g or 4g of fenugreek fiber. The 8g group ate less and felt fuller than the 4g group, suggesting that fenugreek can help with appetite suppression.

Overall, appetite suppression can play a vital role in your ultimate goal of losing weight. An appetite suppressant encourages you to consume fewer calories daily, making it easier to lose weight by maintaining a caloric deficit. Science has told us that coffee, caffeine, green tea, fiber, and various herbal extracts can support healthy appetite suppression to help you reach your goals.

Appetite Suppressant FAQs

We get dozens of questions about appetite suppressants, what they do, how they work, whether they are safe, etc. Here are answers to your most frequently asked questions about appetite suppressants:

Q: How does appetite work?

A: Your appetite is the general desire to consume food. Your appetite tells you exactly when you need to eat to fuel your body.

Q: Why do I feel like I am hungry?

A: When you feel hungry, it results from your body signaling to the brain that it needs to eat. You may be irritable, lightheaded, tired, empty in your stomach, or rumbling in your tummy due to your hunger.

Q: What affects hunger?

A: Hunger can be impacted by appetite, exercise, hormones, stress, and several other factors.

Q: How does leptin affect hunger?

A: Leptin is the most impactful hormone on your appetite. Your fat cells produce leptin, which was only discovered in 1994. Studies have found that the more fat in your body, the more leptin your body produces. Many appetite suppressants claim they work by targeting leptin.

Q: Why do I feel full?

A: Feeling “full” is the feeling of being satisfied. When you are full, your stomach signals your brain to stop eating, which controls your hunger hormones for the next few hours.

Your stomach & intestines, blood sugar levels, and the hypothalamus control the feeling of fullness.

Q: How can I control my appetite?

A: It’s possible to control your appetite by drinking coffee, water, tea, or other beverages throughout the day to try to lose weight. You can also take appetite suppressant supplements, fiber supplements, or other nutritional supplements to lose weight.

Q: What is an appetite suppressant, and how do they work?

A: An appetite suppressant is any supplement that blocks your hunger or reduces your food cravings.

Appetite suppressants can work in any number of ways. Some contain ingredients that block your hunger hormones, like ghrelin. Others have fibers that absorb water and make you feel fuller for a more extended time.

Q: Why should I take an appetite suppressant?

A: You should take an appetite suppressant if you’re looking to enhance your weight loss results. You can limit your daily caloric intake and have a more significant caloric deficit to burn fat and lose weight by inhibiting your appetite.

Q: Can appetite suppressants work?

A: Scientific studies have found several different ingredients that can inhibit your appetite and block food cravings. As long as you stick to a healthy diet and have some semblance of self-control, appetite suppressants can help you lose weight.

Q: Do I need to get a prescription to buy an appetite suppressant?

A: You do not need a prescription to buy supplements. All products on our list are easily purchased online and do not require a doctor’s prescription to purchase.

Q: How can I decrease my appetite?

A: You can decrease your appetite by eating slower while you eat, taking smaller bites, or by drinking coffee, tea, or other beverages that reduce hunger.

Q: Does mindfulness affect appetite?

A: Studies have found that mindful eating practices can effectively suppress your appetite. According to various studies, mindfulness is particularly effective for reducing emotional eating. If you struggle with emotional eating or seemingly unavoidable food cravings, then mindful eating practices are essential to help you lose weight.

Q: Are there prescription appetite suppressants?

A: There are several prescription-strength appetite suppressants currently on the market, including drugs like Osymia, Saxenda, Prelu-2, Pro-Fast, and many others. Your doctor may prescribe one of these if they think you have uncontrollable food cravings.

Q: Are appetite suppressants safe?

A: For the most part, appetite suppressants are considered safe, provided you use the recommended dosage on the label. However, you should still talk to your doctor before taking any OTC supplement – especially if you have a medical condition or are on prescription medication.

Q: What are the potential side effects of taking appetite suppressants?

A: Most appetite suppressants do not possess any severe side effects in standard dosages when used by healthy adults. However, some of these supplements have been known to cause dizziness, fatigue, headaches, nausea, vomiting, constipation, sleep problems, and others – primarily when misused.

Q: How long should I take an appetite suppressant?

A: Most doctors recommend taking an appetite suppressant for 12 weeks or fewer. However, if you experience side effects, you should discontinue use immediately. If you do not experience side effects and your doctor gives you the okay, you can continue use beyond 12 weeks. If you are on prescription medication, then you must follow your doctor’s recommendations.

Q: Will insurance cover my purchase of an appetite suppressant?

A: Insurance typically covers prescription medication appetite suppressants with a doctor’s order. However, supplements are not typically covered, and therefore it is unlikely your insurance will cover your purchase of an appetite suppressant.

Q: What are some of the best natural ingredients to look for in an appetite suppressant?

A: Science has found several ingredients that can act as natural appetite suppressants. Elements to look for include glucomannan, fenugreek, Gymnema Sylvestre, 5-HTP, and green tea extract. All of these have the backing of several clinical studies.

Q: How long do appetite suppressants last?

A: Most appetite suppressants will last anywhere from 30 minutes to 6 hours, depending on the dosage, ingredients, and type of product you use. However, some studies have found that natural ingredients like coffee can help you eat less all day long.

Q: Will an appetite suppressant completely take away my appetite?

A: Even the absolute best appetite suppressants cannot take your appetite away completely. After all, they’re named appetite suppressants, not appetite eliminators. You should still feel some hunger even when taking the most potent products – even prescription-strength appetite suppressants. You should especially feel hungry if you are following a low-calorie diet or are practicing fasting.

Q: Can I eat whatever I want while using an appetite suppressant?

A: Studies have shown that appetite suppressants are most effective when combined with a healthy diet and exercise program. Although you technically can eat whatever you want while using an appetite suppressant, following a healthy diet is still recommended to maximize weight loss.

Q: Can appetite suppressants help me lose weight?

A: A good appetite can help you lose weight. They make it easier to eat less or control food cravings, making it easier to lose weight.

Q: What is Phentermine?

A: Phentermine is one of the most popular prescription weight loss drugs classified as an appetite suppressant. It works by raising levels of serotonin and norepinephrine, which are two brain chemicals that help you feel satisfied for a more extended time.

Q: How much do appetite suppressants cost?

A: Appetite suppressants can vary wildly in price. A 30-day supply can cost anywhere from $10 to $100, depending on the ingredients and dosage. In general, most appetite suppressants cost between $40 and $60.

The Best 23 Appetite Suppressants for 2021 Final Thoughts

Appetite Suppressants can be an excellent complement to a healthy diet and exercise habits if you’re trying to lose weight. It is impossible to lose weight without a caloric deficit, and appetite suppressants help you achieve just that.

If you’re in the market for an appetite suppressant, then any of the products on our list can curb your hunger and reduce your daily caloric intake.

RELATED:Best Fat Burners That Work: Review Top Fat Burner Supplements

Affiliate Disclosure:

The links contained in this product review may result in a small commission if you opt to purchase the product recommended at no additional cost to you. This goes towards supporting our research and editorial team and please know we only recommend high quality products.


Please understand that any advice or guidelines revealed here are not even remotely a substitute for sound medical advice from a licensed healthcare provider. Make sure to consult with a professional physician before making any purchasing decision if you use medications or have concerns following the review details shared above. Individual results may vary as the statements made regarding these products have not been evaluated by the Food and Drug Administration. The efficacy of these products has not been confirmed by FDA-approved research. These products are not intended to diagnose, treat, cure or prevent any disease.

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