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What’s the Best Appetite Suppressant?
Reviews & Buyer’s Guide

Isaac Robertson
Published by Isaac Robertson
Fact checked by Donald Christman, BHSc FACT CHECKED
Last updated: August 5, 2021

With more than two-thirds of adults in the United States overweight or obese [1], and the health problems that being obese entail there is little wonder that 15% of all U.S. adults have used a weight loss supplement at some point in their life [2].

Appetite suppressant supplements are designed to help you feel full, which will aid your weight loss efforts.

Let’s look at the best appetite suppressant supplements of 2020. What benefits do they offer?

Table of Contents
Editor's Choice
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#2nd Best Choice
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#3rd Best Choice
Powher Cut Product
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Our Top Appetite Suppressants

1 - PhenQ (Editor's Choice)


PhenQ is not just an appetite suppressant, it is also works for fat loss, too.

Its unique formula contains ingredients that can help curb your appetite, helping to cut over-eating and cravings.

These ingredients can also help to speed up the weight loss and fat loss process by increasing your metabolic rate, and this increased metabolism also helps to give you an energy boost, too. It's one of the best appetite suppressants in the market that may reduce body weight and work with appetite control.

PhenQ can also help to stop your body from producing new fat, so taking this supplement will mean you no longer need to worry about gaining weight or seeing an increase in body fat.

  • L-Carnitine - 150 mg
  • Caffeine Anhydrous - 142.5 mg
  • Nopal - 20 mg
  • Helps curb your appetite
  • Causes a boost in your metabolic rate
  • Stops your body from producing fat
  • May disrupt your sleep if taken too late in the day (due to the caffeine content)

2 - Leanbean


Leanbean is both an appetite suppressant and fat burner designed for women.

With very few stimulants, its unique formula contains natural ingredients that have been shown to help you to overcome any cravings, boost energy and your metabolism, plus help to reduce tiredness and fatigue. All of which may result to weight loss.

The main ingredient of Leanbean is Glucommanan which comes from Konjac Fiber. This is a water-soluble fiber that combines with the water in your stomach. Some of the best appetite suppressants in the market rely on Glucomannan as their main ingredient.

Related Article: Leanbean vs Instant Knockout

When consumed, glucomannan "sponges" up water in the digestive tract, reducing the absorption of carbs and cholesterol and thus supporting weight loss. - Dr. Oz

  • Glucomannan - 3000 mg
  • Garcinia Cambogia Extract - 100 mg
  • Choline - 82.5 mg
  • Helps overcome any cravings
  • Boosts energy and metabolism
  • Reduces tiredness and fatigue
  • Boosts satiety
  • Money-back guarantee is only available for those who buy a 3 month supply

When this occurs in your stomach you will experience increased satiety. You will also experience delayed stomach emptying. Both combined will ensure fewer calories are consumed.

Leanbean may result to weight loss as supported by its appetite control and fat burner ingredients.

3 - Powher

Powher Cut Product

Powher is one of those appetite suppressants coupled with a fat burner formula. It contains natural appetite suppressant and fat burner ingredients that claim to support greater weight loss.

From the product's name, it is designed to help women suppress appetite and cravings, as well as boost their metabolism. It also claims to improve the body's endurance by boosting your energy during workouts.

This weight loss supplement may also regulate your blood sugar level while you're losing weight.

  • Konjac Root - 3000 mg
  • Choline - 90 mg
  • Natural Caffeine - 100 mg
  • Contains all natural ingredients
  • May help stop cravings
  • Boosts energy and stamina
  • Some users report mild stomach cramps (it's better taken with food)

Note that it contains caffeine, which works for improved focus and an increase in stamina, but may also cause jitters when taken in excess.

4 - Burn XT Thermogenic Fat Burner

Burn-XT Thermogenic Fat Burner

Burn XT is primarily a thermogenic, which means it works to increase your body's temperature to burn fat, although it may also help to suppress any cravings you may have too.

Taking supplements like this one will ensure you are burning more calories than you are consuming. Not only because of the increased metabolism but because you will be eating less as well.

It is this calorie deficit that will help you to lose weight.

  • L-Carnitine - 700 mg
  • Green Tea Leaf Extract - 450 mg
  • Caffeine Anhydrous - 270 mg
  • Increased fat loss by increasing your metabolic rate
  • Appetite suppression
  • Improved mood and focus
  • Too many stimulants used

5 - Nobi Nutrition

Nobi Nutrition

Nobi Nutrition focus more on fat burning than on appetite control. It claims to offer similar benefits as those experienced while undergoing the keto diet through its appetite control and fat burner ingredients.

Those who undergo the ketogenic diet will eat a diet that is low in carbs and high in fat to achieve their weight loss goals.

This leaves your body in a state of ketosis, where your liver will start to manufacture ketone from your stored body fat.

  • goBHB (a mixture of Calcium Beta Hydroxybutyrate
  • Sodium Beta Hydroxybutyrate
  • Magnesium Beta Hydroxybutyrate) - 800 mg
  • Increased metabolism
  • Higher energy levels
  • More fat loss
  • The guarantee is a little unclear

It is these ketones that are used for energy, rather than the glucose you would normally get from your carb-rich diet.

It is claimed that using this supplement can help to give your metabolism and energy levels a boost, while simultaneously boosting the rate you burn fat.

6 - Amino Slim

Amino Slim thumb

Amino Slim is a weight loss drink that is used to help recovery from exercise, boost your metabolism, and to suppress your appetite.

Its ingredients include various BCAAs that help your body to refuel and to enable it to return to peak performance.

Another ingredient found in this formula is Saffron, which can act as an appetite suppressant, helping to reduce hunger, the amount of food consumed and the length of time spent eating.

  • goBHB (a mixture of Calcium Beta Hydroxybutyrate
  • Sodium Beta Hydroxybutyrate
  • Magnesium Beta Hydroxybutyrate) - 800 mg
  • L-Glutamine - 2g
  • Ashwagandha - 300 mg
  • Satiereal Saffron - 88.25 mg
  • Aids recovery from exercise
  • Suppresses appetite
  • Reduces stress and anxiety
  • Reports that the drink tastes and smells bad

Amino Slim can also help you to relax, as it contains organic ashwagandha that helps to reduce stress and anxiety.

7 - Orphic Nutrition Garcinia Cambogia

orphic nutrition thumb

Orphic Nutrition Garcinia Cambogia, when combined with a healthy diet, is said to encourage weight loss by boosting your metabolism, burning fat, and breaking down excess sugar into energy.

As a powerful appetite suppressant, this supplement will increase the amount of serotonin produced. This will help to keep your cravings under control by sending signals to your brain that you are full.

This vegan supplement is made from 100% natural ingredients and is free from GMOs, gluten, additives, fillers, binders, allergens, and artificial ingredients.

  • Garcinia Cambogia (95% HCA) - 2100 mg
  • Potassium Chloride - 105 mg
  • Calcium Carbonate - 105 mg
  • Boosts your metabolism
  • Breaks down sugars to make energy
  • Aids appetite suppression
  • Reports of headaches being experienced

8 - Genius Diet Pills

the genius brand

Genius Diet Pills are a caffeine-free appetite suppressant that helps promote weight loss when used in conjunction with a healthy diet.

Its ingredients of this diet pills include 5-HTP and Saffron, which work together to manage your cortisol levels and provide support for your thyroid. This will help to reduce both your appetite and food cravings.

As no caffeine is present, you won’t encounter any of the annoying side effects you would associate with stimulants, such as headaches, insomnia, and restlessness.

  • 5-HTP - 100 mg
  • Helps curb appetite and food cravings
  • Reduces anxiety and comfort eating
  • No caffeine
  • Reports that supplement causes stomach cramps

9 - Legion Phoenix

legion phoenix thumb

Legion Phoenix is a fat burner product and appetite suppressant that is free from caffeine.

It is said that using the diet pills can help increase your metabolism, resulting in extra calories being burnt and your cravings being curbed, resulting to weight loss.

The ingredients found in Legion Phoenix include natural thermogenic fat burners like green tea extract, synephrine, and forskolin will boost your metabolism. Most weight loss products contain the same ingredients.

Read our whole Legion Phoenix fat burner review here.

  • Citrus Aurantium - 834 mg
  • Naringin - 600 mg
  • Green Tea Leaf Extract - 400 mg
  • May help to increase your metabolic rate
  • Curbs hunger
  • Free from caffeine
  • User reports of diarrhea

While natural appetite suppressants like 5-HTP will help you to feel fuller during meals and will help you to stick to your diet.

10 - Youth And Tonic Weight Management

youth and tonic

The final product on our list of best appetite suppressants is Youth And Tonic Weight Management, which is a supplement that claims to offer stimulant-free body weight management.

The formula contains probiotics that help promote better digestion and gut health, plus ingredients that can boost your metabolism and curb and supress appetite. It may help you with weight loss without the caffeine crash and jitters.

As no caffeine is present you should not experience any jitters or associated side effects.

  • Apple Cider Vinegar - 1000 mg
  • Aloe Vera Leaf Gel - 60 mg
  • Apple Pectin - 50 mg
  • Better digestion and gut health
  • Increase metabolism to promote calorie burn
  • Fewer cravings
  • A few reports stating that no benefits were experienced

Appetite Suppressant Buyers Guide

man using laptop and credit card banner

How Do Appetite Suppressants Work?

Appetite suppressant supplements can work in a few different ways. For example, they can alter the hormones that cause hunger, making you believe that you are not hungry, thus helping you lose weight.

Other appetite suppressants can cause food to stay in your stomach longer than it would normally. As your stomach is not empty you will not need to eat as often or as much.

To lose weight, you need to create a calorie deficit. By suppressing appetite, you will be consuming less food, therefore fewer calories. Ultimately, appetite suppressants may aid your own weight loss efforts.

Potential Side Effects Of Appetite Suppressants

Despite what you may have heard, whatever supplement you take has a potential risk of side effects. Appetite suppressants are no different.

The side effects you may experience will vary between different appetite suppressant products. Those that use stimulants may cause side effects like insomnia, higher blood pressure, an increased heart rate, and restlessness [3].

Supplements that interfere with the way that fat is absorbed can cause embarrassing side effects like oily spotting, gas, and soft tools [4]. While those that affect the neurotransmitters in your brain that control your appetite have been linked with headaches, nausea and vomiting, constipation, dry mouth, and dizziness [5].

If you are concerned about encountering any side effects from any appetite suppressant , then I would recommend speaking to your doctor. Also, if you encounter any side effects, then I would suggest discontinuing immediately.

What To Look For In a Appetite Suppressant

couple checking bottle

Before you buy an appetite suppressant there are a few things you need to consider:

Ask for medical advice - Before you start taking appetite suppressants, you should make an appointment to speak to your doctor or a health professional to discuss any medication you are currently using.

Some appetite suppressants and their ingredients will impact with prescription medication, some may even have an impact on how you recover from surgery.

Look for product certification - This is not always possible, and it is certainly possible to find safe appetite suppressants or other supplements that have not been certified. However, for your own peace of mind, it is always worth looking to see if there is certification available.

You could also look to see what ingredients have been used and whether these themselves have been certified as safe for human use.

Consider the nutrition label  - You should always check that the label has ingredients listed in appetite suppressants, like garcinia cambogia or glucommanan, and preferably the dosage and directions for use.

If it does not have any of this information, then it is probably best to leave this product alone and to look for an alternative. This is essential information that should be available for the customer.

Beware of product gimmicks and catchphrases - Supplement manufacturers often use catchphrases and buzzwords to try and entice users into buying their products, whether it’s a diet pill, mass gainer, or appetite suppressant. While these claims can sound impressive you should try and ignore them and to look for proof of what the product does.

You can do this by looking at the ingredients and the dosages used. Doing this will give you an accurate idea of what effects you will experience.

Avoid products with a short expiration date - This can be difficult to achieve online, but if you are buying an over the counter appetite suppressant then you should avoid those with an expiration date close to the date of purchase.

As these products reach their expiration date, they will become less potent, rendering them ineffective.

Don’t use supplements as a replacement for a healthy diet and exercise - You need to understand that diet and exercise is the most important method you can use to reach your weight loss goals.

Of course, the best appetite suppressant could aid your efforts but you should never rely on it entirely.

Do Appetite Suppressants Really Work?

stress at work

Yes, appetite suppressants do work. However, they are not as effective as you may hope.

In a review of studies performed on the five FDA-approved prescription medications, it was discovered that appetite suppressant supplements worked better than a placebo, with most users achieving a weight reduction of at least 5% over the course of a year [6].

This is not a huge amount, with a 200-pound person only losing 10 pounds over the year.

Of course, some people will lose more than this 5%, with others losing less than this percentage.

It is also worth noting that to see the best results, you should never rely on the use of any weight loss medication or supplements alone. To achieve your weight loss and body goals and maintain it, you should always consider making changes to your current lifestyle choices.

This means you should consider eating a healthier diet and to try progressing the amount of exercise you currently perform.

What Drug Suppresses The Appetite?


Following the withdrawal of Lorcaserin (Belviq) from the U.S. market in February 2020, there are currently only three FDA approved appetite suppressants available. These are:

  1. Phentermine Topiramate (Qsymia)
  2. Naltrexone Bupropion (Contrave)
  3. Liraglutide (Saxenda)

Qsymia - The phentermine found in Qsymia gets to work as soon as this drug is administered. This stimulates the sympathetic nerves, which help to suppress your appetite. Qsymia also contains topiramate, which is released slowly throughout the day. This can affect the neurotransmitter GABA, helping with appetite suppression and enhanced satiety.

Contrave - Contrave also contains two separate drugs, bupropion, and naltrexone, both of which work together to reduce cravings by working on two areas of your brain, the hypothalamus, and the mesolimbic reward system.

Saxenda - Saxenda is the final drug available to suppress your appetite. It works by mimicking an intestinal hormone that tells your brain that your stomach is full.

Natural Ways to Suppress Your Appetite

fruits and greens banner

To naturally suppress your appetite, you should consider some of the following tips:

  • Eat more high-fiber foods - As fiber does not break down the same as other foods, it will stay in your body longer, therefore keeping you feeling fuller for longer [7].
  • Exercise before a meal - After exercising, the hormones, such as ghrelin, that cause hunger are suppressed [8].
  • Swap to dark chocolate - It has been discovered that when compared to milk chocolate, dark chocolate will reduce appetite [9].
  • Eat some ginger - Eating ginger has been found to stimulate the digestive system, which can help to reduce your appetite and promote a feeling of fullness [10].
  • Eat foods that are bulky, but low in calories - Dieting generally will leave you feeling hungry, which may leave you vulnerable to junk food cravings. Certain foods like vegetables are full of nutrients that can keep you feeling full without adding unnecessary calories to your diet.
  • Reduce stress - Stress can cause a spike in cortisol production, which promotes cravings and urges to eat junk food [11].


How Can I Lower My Appetite?

To lower your appetite and increase your metabolism in a natural way, there are a few things you can do:

Eat more protein - Eating food will boost your metabolism. This is known as the thermic effect of food (TEF). Protein has been found to cause the biggest rise in TEF, with an increase in the metabolism of 15-30% [12].

Eating protein is also effective in making you feel fuller [13], and as it helps to maintain muscle mass when dieting you will not experience a drop in your resting metabolic rate, which can be caused when muscle mass is lost [14].

Drink more cold water - There are numerous reasons why you should be drinking water while you are attempting to lose weight. For a start, it contains zero calories, which instantly makes it a better option than sugary drinks.

Cold water has also been shown to cause a temporary increase in your metabolic rate [15], it is believed your metabolism will rise as your body attempts to heat back up. Water has also been shown to fill you up, reducing the amount of food consumed during your mealtimes [16].

Get more sleep - A lack of sleep has been shown to be one of the contributing factors of obesity [17].

Not only does a lack of sleep cause a slower metabolism [18], but it can also elevate the level of ghrelin, a hormone that promotes hunger. A reduction in the amount of leptin produced is also likely. When both of these hormones are affected, you will find yourself struggling with your weight loss efforts [19].

Any Natural Appetite Suppressants to Help Lose Weight?

Here are some natural appetite suppressants that may aid in managing your weight:

  • Fenugreek is a good source of dietary fiber, including galactomannan fiber, which has been shown to reduce your appetite by increasing feelings of fullness, slowing the emptying of your stomach, and by delaying the absorption of carbs and fat [20].
  • Glucomannan is a soluble fiber that forms a viscous gel when consumed. This helps to suppress your appetite as it delays fat and carb absorption [21].
  • Griffonia Simplicifolia is a plant rich in 5-HTP, a compound that increases the production of serotonin, which can help suppress your appetite [22].
  • Caralluma Fimbriata is a herb that has been found to both reduce appetite and improve endurance [23].
  • Green tea extract contains two compounds; caffeine and catechins. While catechins can boost your metabolism, caffeine can help to suppress your appetite [24].
  • Conjugated Linoleic Acid or CLA is a type of trans fat found in fatty animal products. It has been found to break down body fats and make you feel full [25].
  • Garcinia Cambogia contains hydroxycitric acid (HCA) that offers numerous weight loss benefits. Research on animals show that garcinia cambogia supplementation could reduce food intake [26]. It has also been found to increase serotonin production, helping to suppress your appetite [27].
  • Yerba Mate is a South American plant that can increase the production of a compound called GLP-1. This compound helps to regulate your appetite, therefore helping to reduce your appetite [28].

Is Coffee An Appetite Suppressant?

offee is an appetite suppressant, with research showing that drinking it can help people to eat less during meals and throughout the day when compared to those who don’t drink it [29].

It is believed that the caffeine found in coffee can help slow the rate that your stomach empties, plus it will help reduce feelings of hunger [30].

There are other weight loss benefits to be gained from drinking coffee, as the caffeine it contains can help increase the number of calories burnt, while also helping to break down and burn fat [31].

If your aim is to lose weight then avoid adding milk, cream, or sugar to your coffee as this will increase the number of calories it contains. Therefore negating the benefits offered.

While diet and exercise are still the best methods you can use in losing weight, if you want to see improved results, then taking a quality appetite suppressant like PhenQ is recommended.

This supplement contains natural appetite suppressing ingredients proven to help curb any cravings. It can also help to boost your metabolism and energy levels, two problems that often occur when people diet.

PhenQ is one of the best appetite suppressants we have seen and I would highly recommend it to you, try it for yourself and you will be impressed too!



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  • Causes a boost in your metabolic rate
  • Stops your body from producing fat
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