Best Metabolism Booster: Top 5 Appetite Suppressant to Burn Body Fat In 2022

Often we must genuinely admit that all of us feel strong stamina when having perfectly shaped bodies, especially when our energy point levels are so well balanced that we can function 100% each day even without even exercising too much.

Most of us living in these modern and sometimes bizarre times, at some point in our lives, experience too much weight gain or energy loss due to a variety of factors, mostly connected and generated by our lifestyle like working environments, amounts of daily exercise habits, and most common, unfortunate factor - stress, usually caused by the fear of what future brings.

As a result of a particular behavior, metabolic processes in the human body might alter or vary each day, whether driving you to gain or lose weight. However, everyone wants and fancies to watch their perfect sexy body in their bedroom mirror at home. If you feel that you are one of those people always craving for a more creative and balanced life, this article is made for you; so keep reading about our chosen metabolism boosters.

List Of Top 5 Metabolism Booster Pills

#1. PhenGold: Overall Best Metabolism Booster On The Market; Editor’s Pick

#2. PrimeShred: Most Popular Dietary Supplement To Lose Weight

#3. Leanbean: Premium Diet Pills To Speed Up Metabolism

#4. Instant Knockout: Highly Effective Appetite Suppressant Pills for Weight Loss

#5. PhenQ: Natural Metabolism Boosting Supplement For Losing Belly Fat

#1. PhenGold: Overall Best Metabolism Booster On The Market; Editor’s Pick

PhenGold, as a natural, clinically proven weight-loss dietary supplement that helps in boosting metabolic equilibrium in the human body is a new product of its kind on the health supplementary table. It is a Swiss company called “Swiss Research Labs Ltd” that manufactures it and they enjoy popularity among most other users.


Its ingredients include a special naturally sourced combination of minerals and vitamins, offering PhenGold booster properties as a fast and healthy fat loss product. That gives a good amount of natural energy-boosting that the body needs on a daily basis to maintain a good physical shape and strong stamina which is one of the things that lengthen our life.

PhenGold belongs to such products that speed up the metabolism so that it helps the body burn calories mannerly faster, without making you feel more hungry shortly after taking the supplement. Its ingredients are mostly natural, organic, and vegan-friendly. Among minerals and vitamins, there are also other standard goodies intended and combined together to serve the goal of metabolism-boosting, fat burn, natural weight loss, and energy balancing.

=> Click here to visit the official website of PhenGold


  • 500 mg green tea
  • 100 mg green coffee
  • 250 mg L-Theanine
  • 350 mg L-Tyrosine
  • 250 mg Rhodiola Rosea
  • 200 mg Cayenne Pepper
  • 225 mg caffeine, 150 mg DMAE (dimethylaminoethanol), and
  • Vitamins (B3, B6, B12)

It is well known that green tea contains caffeine and antioxidants that put the body more at ease while boosting energy in a natural way regarding metabolic processes. Chlorogenic acid, on the other side, an ingredient of green coffee, is known as a faster fat burner and metabolic equalizer that works well together with other ingredients, helping maintain the body's sugars and so keeping the body fat stable and nicely in balance.

The L-Theanine is an amino acid that in PhenGold controls the mood to be as good as possible, reducing anxiety if present, providing more focus, concentration, and overall mental capacity (similar to L-Tyrosine). Rhodiola Rosea, also known as “The Arctic Root”, or just simply “Rhodiola”, is a traditional natural tonic that is produced mostly in parts of Asia and in some places in Europe as well. It helps reduce mental and physical fatigue, making it ideal for more relaxed exercising in regard to mental ease.

Another metabolic backer that is an ingredient of the PhenGold, the “Cayenne Pepper”, is used for burning fat and transforming it to energy in combination with some of the other ingredients in a more positive and accurate tone, spreading it so to be used naturally in a balanced way, without any drastic health displacements.


  • Natural energy booster
  • Non-GMO
  • Vegan-friendly ingredients
  • Very good mood enhancer
  • Medium range affordable price
  • No major side-effects were reported (exceptions might be some light forms of allergies)


  • Caffeine may cause disturbance and body shaking in some individuals who may be suffering from higher anxiety levels
  • Available for purchasing online only

Customer experience

Customers that use PhenGold are overall satisfied by the PhenGold product, but also they report that the effect is postponed for some, and instant for others. In general, it works just fine with no side effects in both cases, but it is variable regarding time to take effect in different consumers.

Usually, on average, it takes up to 3 months for the product to take visible effects. However, professionals do not use it much. At least those who are not so famous.

#2. PrimeShred: Most Popular Dietary Supplement To Lose Weight

Another excellent, top-rated fat burner supplement and energy balancing product is PrimeShred, manufactured in the US and FDA approved. Like many of its kind, it boosts metabolism and energy levels while simultaneously helping fat burn.


PrimeShred is a natural weight loss supplement popular mostly among professional bodybuilders as their first choice product. It trades fat for energy, achieving a good balance of both while exercising and even while sleeping!

Its formula and shared natural ingredients make PrimeShred competitive with other similar weight loss, energy-boosting, and balancing supplements. Among ingredients that can be found are the following:

  • Green tea extract (500 mg)
  • Dimethylaminoethanol (DMAE) 150 mg
  • 300 mg L-Tyrosine
  • 100 mg green coffee
  • 250 mg L-Theanine;
  • B Complex vitamin
  • 250 mg Rhodiola Rosea
  • 5 mg Bioperine
  • 225 mg Caffeine Anhydrous
  • Vegetable capsule, and
  • 200 mg of Cayenne Pepper

What makes PrimeShred unique is its few unique components and its medically lab-approved formulae.

Vegetable Capsule (Hypromellose (INN)) is a non-animal derived vegan and vegetarians friendly plant-based ingredient. Also, hypromellose is usually used to relieve eye dryness initiated by decreased natural tear flow.

Bioperine, extracted from the black pepper plant, is a bioactive substance that basically creates a large amount of heat (thermogenesis) in the body, besides its other properties.

PrimeShred is a top-rated fat-burner metabolism booster and workout supplementary product choice for many people who love to live a healthy life; also, it improves, naturally balances, and boosts the human body energy, enabling a feeling of goodness to circulate through your body without any - or minor and rarely seen side-effects. It also improves human mental health and the power to focus while doing our daily routines or dedicated activities like exercising in the gym, cycling, yoga-practicing, and even is useful while sleeping, as mentioned before.

=> Click here to visit the official website of PrimeShred


  • Non-GMO
  • Vegan-friendly
  • Organic ingredients
  • Powerful mood enhancer
  • Up to 100 days money-back guarantee
  • No known side effects


  • Caffeine is known to cause some level of discomfort and body shaking in people who suffer from anxiety
  • Products’ orders are available online only

Customer experience

Customer experience testifies that people using PrimeShred are 100% mind blown by its fast and balanced effectiveness with no side effects whatsoever, which makes it ideal for professionals, as well as for people keen on sports like weight lifting. Overall, customer reviews are mostly positive, stating that this product is fast to burn calories and shape the body as desired.

#3. Leanbean: Premium Diet Pills To Speed Up Metabolism

Unlike some other gym and/or fat loss products on the market, Leanbean does not enclose caffeine. That small detail is crucial in reducing its possible (minor) side effects. According to the client’s reviews, apparently, this product has zero side effects and it is very safe for consumers.


Leanbean and its premium lab-tested formulae is a fat-burning supplement exclusively intended for women. Its properties are mostly food/appetite-related, meaning that your eating patterns can be more or less the same, but your body shapes itself accordingly, again, thanks to its unique blueprint.


  • 3,000 mg glucomannan, which belongs to water-soluble types of sugar. It is a fiber component extracted from particular plants and it fastens the metabolism in its own unique way.
  • Choline, a nutrient cation, is naturally produced in the human body through a liver regeneration process that takes place during nighttime sleeping hours. However, that amount is not enough to do its function - cholesterol cleaning or correcting layouts of fat through the human organism, so it has to be added as a supplement.
  • PicolinateChromium Cr(C₅H₄N(CO₂H))₃ or in some cases CrPic3, is a mineral that controls a healthy amount of glucose in the body. It’s a dietary supplement that can be found in everyday food as well.
  • Vitamin B6 and B12 are found as an ingredient in most of the top 5 fat burners, supplementary and natural organic health products. It is popular for its calming properties, as well as boosting your appetite by balancing the work of enzymes.
  • Chloride is a mineral that belongs to electrolytes. Electrolytes’ role is to keep the hydration of the body.
  • Zinc as an ingredient is a frequent substance found in many plants and in nature in general. It is known for immunity system boosting, or/and dealing with states like inflammation and similar disorders.
  • Green coffee beans extract is mainly an antioxidant different and more accurate than black coffee beans, which lose their “powers” when cooked or processed.
  • Turmeric, also known as “Caffeine Anhydrous” and “The Golden Goddess”, has an active compound commonly called curcumin. While it is cool to be used in higher dosages in men for the potency, the same dosage in women can cause some undesirable side effects.
  • Another ingredient of Leanbean is "Garcinia Cambogia'', a fruit containing Hydroxycitric Acid.
  • Acai Berry, a Brazilian fruit known for its antioxidant characteristics, is widely used for keeping our nerve system in good shape, as well as maintenance and proper brain function.

=> Click here to visit the official website of Leanbean


  • Natural ingredients
  • Mood enhancer
  • Global free shipping for full complete bundles
  • You can choose between multiple packages for your dosing needs
  • Includes workout guide and meal planning documents avail for downloading from their site
  • 90 days money-back guarantee
  • No side effects


  • Caffeine may cause disturbance in people with chronic anxiety disorders
  • 360 capsules package is available for free shipping in the US and UK only
  • Online purchase is their only available option

Customer experience

Most of the reactions of Leanbean users state that after 1 to 3 months of the therapy, they stop overeating in a natural way without forcing themselves to do so; many of them have quit smoking as well, saying that the urge for eliminating the poisons away from their body was immense after starting and continuing to take the booster and started to not be back to overweight. There are no reports of hard side effects to date as well.

#4. Instant Knockout: Highly Effective Appetite Suppressant Pills for Weight Loss

Since 2014, Instant Knockout has been serving professional bodybuilders and other home-based athletes, gaining popularity mostly for those people who imagine themselves as muscular, strong, and healthy while looking in their own mirror. We found that celebrities like UFC Champion Diego Sanchez are among many others who use the Instant Knockout Cut Elite products for their training and for their hardest exhausting matches.


Instant Knockout Cut is uncompromisingly one of the top 5 powerful fat burners available on the bodybuilding supplementary market today, enjoying enormous popularity among the elite professionals at most. Its natural ingredients are put together that way, using the most up-to-date modern technology which stands out from many of the other similar products of its kind. Instant Knockout Cut boosts metabolism, transforming fat into energy that creates strong and healthy muscle tissues all over the body accompanied by exercising and training.

Instant Knockout is a vegan-friendly natural-based product that is ranked in the worlds’ top 5 natural fat burn metabolism boosters and human energy balancing products on the market, approved by FDA and GMP health organizations. It is delivered as a bottle with capsules; anyone who wants to uplift their body energy and convert fat into muscles should use it.

=> Click here to visit the official website of Instant Knockout


  • 100% natural ingredients
  • 3 to 5 days delivery period inside the UK
  • 5 to 10 working days worldwide delivery
  • Includes meal planning guide document
  • No side effects


  • Caffeine may cause annoyance and body quivering in some individuals who might have suffered from social and other types of anxiety conditions;
  • The product can not be delivered in every country in the world
  • You can buy it only online
  • Approximately 30 days money-back guarantee - if the package is not yet opened

Customer experience

Customers using the Instant Knockout state that there are no other natural, best quality metabolic boosters out there for them, and its pleasant effects are proven to be shaped highly for professional usage, as most of the users are. It’s a product with no sides, excellent for high-ranked pro bodybuilders' satisfaction. Pro users also state that they maintain constant weight and energy balance of their energy levels day-to-day, so there are no fluctuations in that concern.

Contrary, those who are not involved in the serious professional area, state that their experience with Instant Knockout was totally different. Stabilizing up their diet, working harder, continued taking Instant Knockout each day, and just watching their effort pay off.

They confess that their strength increased within the first weeks (or in many cases days) of using the product. People that started using Instant Knockout exclusively for weight loss, reported 20 kg loss, and stamina increased greatly as well.

At the start of using the supplement, one user said that he could only play a quarter of an hour of any sports, and by the end of the month they could play a full 90-minute football match, without much trouble.

#5. PhenQ: Natural Metabolism Boosting Supplement For Losing Belly Fat

With approximately 200,000 active, satisfied customers, PhenQ is a fat-burning and energy-balancing, organic, naturally made product. You can be certain that it is one of the top-rated products of its kind. It’s a relatively new manufacturing company so its usage of ingredients is similar to other companies that make similar metabolic supplementary products.


Working under the name “Wolfson Berg LTD”, PhenQ’s company uniqueness is in its products that contain such ingredients that prevent gaining more fat again after you manage to burn it, which make them demanded and broadly popular on the market though are one of the newest out there. This approach proved PhenQ to be more booming especially among the younger population because they offer a fresh, up-to-date marketing style pledging their potential clients “sexy bodies”. One bottle of PhenQ contains 60 pills for 30 days of use.

Ingredients and properties

  • 25 mg Alpha-lipoic acid - an antioxidant that our body produces naturally; also, it can be extracted directly from plants and man-produced foods. Its benefit is mainly to convert carbohydrates to energy and heat while exercising.
  • 8 mg Capsimax Powder - containing piperine, caffeine, and vitamin B3, ingredients that improve thermogenesis so that helps burn fat in a completely holistic way, and block producing new fat repeatedly, which effect is especially popular in clients dealing with this issue.
  • 10 mg Chromium Picolinate, a mineral mostly discovered in a number of vegetables and some meat as well.
  • 142.5 mg Caffeine - a stimulant that helps reduce tiredness by boosting thermogenesis at a specific time period, making exercising more enjoyable and energetic.
  • 20 mg Nopal - the dietary fiber found in and extracted from the Nopal cactus plant, including useful amino acids that help fluids in the body go to a better distribution of fat.
  • 150 mg L-Carnitine - found mostly in nuts and vegetables, is popular among vegans and it can also be present in the meat of some animals.
  • α-Lacys Reset, a combination of Alpha-Lipoic Acid, Cysteine Base, and Magnesium, is accelerating the booster’s effect to kick in faster than it usually does in other products of its class.

=> Click here to visit the official website of PhenQ


  • Boosts your mood
  • 100% natural components
  • Balances energy levels
  • Neuro-relaxant properties
  • Burns fat and manage calorie flow
  • 100% safe
  • Outstanding shipping and customer service
  • No side effects (a minuscule percentage of users reported a short-lasting feeling of nausea or dizziness)
  • 60-day money-back guarantee


  • Some people find it too expensive for their budget
  • Not recommended during pregnancy and breastfeeding in women
  • Variability of results in different occurrences

Customer experience

Consumers using PhenQ booster reported a weight loss varying from 10 to 50 lbs in only a month. Their satisfaction is beyond their belief, as they used to confess. Using PhenQ, customer reports show that with this product users dropped down to 10-15 sizes of clothing.

Most of the users qualify PhenQ as the number one metabolic booster that can be found on the supplementary product market, and that is of course for its remarkable effects on the human body, its natural, organic, vegan and vegetarian-friendly characteristics, and 100% individual satisfaction. That doesn't mean that other top 5 rated boosters are bad or lacking in quality. No, they all serve different purposes in different people’s lifestyles, though most of them contain, give-or-take, the same ingredients but different formulae and production processes. Overall, it is your choice and we are here just to give you the best headings of what suits best for your needs and aspirations.

How We Made the List Of Supplements for Fast Metabolism?

We did some digging in a bit more deeply in order to discover which are the really best top-rated metabolism boosters that serve the human body properly and equalize its metabolic functions, achieving optimal, natural energetic values and a healthy balance of our mental and physical well-being.

What to Look for When Buying Natural Weight Loss Supplements?

If considering using fat burn and bodybuilding supplements whether to satisfy your hobby or just enjoy looking sexy in the mirror at home, or due to genetically hereditary fat gain in your family tree, or you are a pro bodybuilder who participates in hard matches, it should be a common practice that you will research for the safest natural supplementary products that most of the professionals or “ordinary” customers use on a daily basis without feeling fatigued and products that have more pros than cons.

  • Safe and Top Rated Supplementary Products

You don’t want to shatter your health with products that are cheap and could possibly scam you. The price of the products you are aspiring to is not the way to go. It is better not to follow that path. If the low price is your main mentality regarding your health - you should most likely change it.

  • Body Energy Insights

If you are part one of those people who are born with the natural “power” to naturally burn the extra fats in your body then you should consider yourself lucky, at least until your 60ties of age. Not everyone appreciates taking supplementary programs for weight loss and fat burn. People that are more traditionally oriented are not so interested in modern, up-to-date methods of health maintenance as youngsters do.

Taking metabolism boosters and fat burners is most popular in people who participate in sports professionally or as a hobby, like bodybuilding practitioners, weight lifters, or bike cyclers, where energy levels and condition is the key to their success.

  • Body Appearance and Metabolic Boosters

Metabolic boosters that we recommend are just that: safe, confirmed by most of the users, tested under sterile and uncompromising conditions in laboratories that are certified by most relevant holistic medical independent organizations, as well as other factors whose job is to maintain suitable health in people that are enthusiastic to use the boosters for their own pleasure. Not everyone is satisfied with how their body is appearing in front of the world, and that’s a fact, but using metabolic boosters and similar supplemental schedules with care, can straighten the unsightly, disproportionate curves in the mirror.

  • Qualities of Top Rated Metabolism Boosters

Quality metabolic boosters that we suggest are confirmed to be 100% safe by most users. They are tested under sterile and uncompromising conditions in laboratories that are certified by the relevant holistic medical organizations, as well as other factors whose job is to maintain suitable health in people that are enthusiastic about using metabolic boosters for their own needs or pleasure. Not everyone is pleased with how their body is appearing in front of the World, and that’s a fact, but using the best quality metabolic boosters and equivalent supplemental schedules with care, can straighten the unsightly, disproportionate body curves in the mirror.

  • Some Nutrition Facts

Metabolism boosters are not meant to be used alone as a healthy food replacement. They should be combined alongside your daily diet, to keep the natural relationships between vitamins, minerals, and all the goodies from nature to be mannerly distributed throughout your digestion system and correctly managed by the most important cells in the body - the enzymes (for additional info about the enzymes, ask your closest medical person or do an online research).


  • Green tea extract, is an essential part of almost every fat burner and metabolic booster product out there on the market, containing natural extraction, unprocessed caffeine and other antioxidants that help immensely in burning calories in a natural and organic manner;
  • Cayenne pepper seeds - in the case of Instant Knockout, is made so there is not unpleasantly hot taste present while consuming, avoiding nausea in some cases;
  • Glucomannan - natural fiber extracted from a plant that is used to reduce more frequent cravings for food that many of the customers have;
  • Caffeine anhydrous - it reduces excess water in the body so energy can be boosted in a balanced manner, without any unwanted interference by some “intruders”;
  • Vitamin B6, one of the most useful vitamins, maintains other important ingredients together to work in cohesion, like delivering the best regulation of fat balancing, enzymes working with carbs and other substances;
  • Vitamin B12 - as most of the B-complex group of vitamins, converts fat coming from food into energy and distributes it equally through the body in order to maintain a balanced flow of metabolic processes;
  • Vitamin D3 - reduces blood pressure in cases of more combative exercising;
  • L-Theanine - reduces the anxiety that may be caused by caffeine;
  • Piperine - black pepper extract found in most fat burning bodybuilding supplements, boosting and heating other ingredients to work together with dietary habits;


Often it is hard to differentiate what is a top-quality product when there are so many products of that type you ought to research online. There is also a good amount of psychology involved in the whole process of deciding what is best for your body's wellbeing.

Transparency of the Brands

Transparency of the brand and the real quality of its products are important factors to consider. In such products, more or less, there are the same or similar ingredients involved, alongside the words of customers, frequently asked questions, complaints of individuals, communities, etc.

Word About Metabolism

To resume, natural and top-rated metabolism boosters are manufactured artificially in laboratories by extracting the components of natural elements into one powerful product that benefits to fasten your desired results. Metabolism is not something that you should play games with or experiment with beyond the laws and limitations of nature. It is a most important process in the human body as it transfers what you intake like nutrition or liquids, and manages to transform all of that into usable energy for physical and mental strength and capacity. So, metabolism boosters artificially mess up the natural flow of things (whether be positively or negatively).

People that need to speed up the weight loss or fat burn process for their own, special reasons, should be doing it in the most natural way possible, using only the long-term in-market present, lab-tested proven products, in order to achieve the most favorable and desirable results on the body.

What you need to be looking for is products that are most importantly proven safe, have no side effects, are natural, organic, vegan-friendly, and lab-tested creations. In the end, we all decide for ourselves, but the customer experience and the main ingredients are the crucial factors in determining what is best for you and your wellbeing, regardless of the product price.

FAQs On Metabolism Pills

Q1. What does metabolism do in my body?

Metabolism is one of perhaps the 3 most important processes in humans, besides hormonal and neural processes. It is in charge of food digestion, cell regeneration and repair, sustaining hormonal balance, regulating temperature, sleeping patterns, and much more.

Q2. How does metabolism affect weight?

Weight loss and fat burn are achieved by flaming more calories than you consume via a food diet or simply by exercising. Metabolism boosters are not calorie burners by themselves. Such products are there only for making your body burn calories and convert your extra fat into usable energy.

Q3. How can I have a healthy metabolism?

Take regular healthy meals full of proteins, carbohydrates, and fats. Try to exercise more often and manage your sleeping patterns in order to achieve natural sleep at night, in the dark hours.

Q4. What does the ‘metabolic rate’ mean?

Metabolic rate is the velocity of energy developed in particular time duration. Basically, the speed at which our body burns calories, no matter if you rest or exercise. Metabolic rates can be affected by your diet, how hard you exercise, the zone temperature, your age, sex, gender, mental or emotional state, hormones and their levels, the monthly pace of menstruation, and pregnancy.

Wrapping Up On How to Speed Up Metabolism

If you are part of those people who are born with the natural “power” to unaffectedly burn the extra fats in your body then you should consider yourself lucky. At least until your 60ties of age. Not everyone appreciates taking supplementary programs for weight loss and fat burn. People that are more traditionally oriented are not so interested in modern, up-to-date methods of health maintenance as youngsters are.

Taking metabolism boosters and fat burners is most popular in people who participate in sports professionally or as a hobby, for example, bodybuilding practitioners, weight lifters, or bike cyclers, where energy levels and condition is the key to their ambition and success.
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