Best Metabolism Booster Pills: Top 5 Metabolic Supplements For Weight Loss

(Ad) As our bodies age and our metabolism slows down, losing weight becomes harder and harder with each passing year. Even if we eat a healthy diet and exercise regularly, a slow metabolic rate can make weight loss feel like an impossible task.

Luckily, there are metabolism booster pills available that can help increase your metabolic rate, burn stored fat, and improve energy levels.

We’ve reviewed the top metabolic supplements on the market to see which products are the most effective and offer the best value.

Here are our top picks for the best metabolism boosters of 2021.

Top 5 Best Metabolism Booster Pills of 2021

#1 PhenQ: Best Overall

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PhenQ is the best metabolism booster for anyone that wants to burn stored fat, suppress appetite, improve energy levels, and accelerate their weight loss journey.

Most dietary supplements target one part of weight loss. Here’s the problem: the body is a complex network of systems and reactions. A narrowly tailored pill won’t help people achieve their body goals. Wolfson Brands Ltd, the maker of PhenQ, takes a holistic approach to weight loss with an all-in-one metabolism booster.

PhenQ targets five components of losing weight, starting with fat burning. The potent ingredients can elevate your resting metabolic rate via thermogenesis, which causes the body to burn more calories. The pill can also prevent the body from storing fat, mitigating the chances of weight gain.

PhenQ does more than catalyze fat metabolism. It also acts as a natural appetite suppressant. The formula contains chromium picolinate, a mineral research suggests may help to reduce hunger cravings. As a result, users may eat fewer calories and experience noticeable weight loss within weeks.

So, what sets PhenQ apart from other diet pills on this list? The secret is α-Lacys Reset. The trademarked compound has metabolism-boosting properties that zero in on stubborn fat. It can also amplify thermogenesis so that the body produces more natural heat to burn calories.

The ingredients in PhenQ include:

  • α-Lacys Reset
  • Nopal
  • L-carnitine fumarate
  • Chromium picolinate
  • Caffeine

These results have earned PhenQ legions of loyal fans. Today, customers trust PhenQ to help them shed weight and gain lean muscle mass. The thermogenic fat burner works equally well for men and women and does not have notable side effects.

PhenQ stands head and shoulders above other metabolism booster supplements, making it our choice for the best overall fat burner. It pinpoints five crucial weight loss components so that users get the support they need to reach a healthy body weight. Wolfson Brands Ltd also provides a 60-day money-back guarantee and worldwide shipping on all orders.

Click Here for the Lowest Price on PhenQ

#2 Leanbean: Best for Women

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Many metabolism-boosting supplements rely on stimulants to achieve fat loss. While this approach can eliminate stubborn body fat, it may make users feel overstimulated. Leanbean provides an effective weight loss solution tailor-made for women with stimulant sensitivities.

Each Leanbean pill contains 3 grams of glucomannan. The dietary fiber, which comes from konjac root, absorbs liquid during digestion. When people take Leanbean before they eat, they feel satiated for several hours.

Ultimate Life Ltd, the manufacturer of Leanbean, utilizes cutting-edge science to create this appetite suppression pill. For instance, it chose 3 grams of glucomannan per serving based on a European Food Safety Authority study. The publication determined that 3 grams are optimal to spur weight loss while maintaining healthy blood sugar levels.

The complete list of ingredients in Leanbean is:

  • Zinc
  • Vitamin B6 and B12
  • Turmeric
  • Piperine
  • Konjac root (glucomannan)
  • Green coffee bean extract
  • Garcinia cambogia
  • Chromium picolinate
  • Choline
  • Chloride
  • Acai berry

Leanbean makes it a snap to maintain a balanced diet. The appetite suppressing pill reduces the urge to eat extra calories that may nullify weight loss. Additionally, the supplement plays a central role in burning fat, enhancing focus, and elevating energy levels.

Thousands of people have already seen noticeable weight loss with Leanbean. The natural supplement serves as the perfect complement to women with active lifestyles, empowering them to achieve results faster. As long as users exercise regularly and eat well, they can expect to see a flatter tummy, rounder glutes, and sculpted arms in no time.

The supplement is made from wholesome ingredients, which contrasts with other formulas that are chock full of fillers and additives. While natural ingredients go together with a higher cost per bottle, they dramatically increase the chance of weight loss. Leanbean has even earned the endorsement of former surfer and model Bree Kleintop.

Leanbean stands out as an alternative to harsh fat-burning supplements. The formula comes with powerful ingredients that women need to get rid of belly fat and reveal the trim and toned body underneath. Ultimate Life Ltd also offers free shipping on select packages and a 90-day money-back guarantee.

Click Here for the Lowest Price on Leanbean

#3 Instant Knockout: Best for Men

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Diet and exercise aren't always enough to reach peak athletic form. In 2014, Roar Ambition Ltd created Instant Knockout to help men reach their fitness goals. The formidable thermogenic fat burner allows men to attain the chiseled chest, arms, and abs they've always wanted.

Instant Knockout contains 10 natural ingredients that work together to burn fat and build muscle mass. Roar Ambition Ltd sources the components from around the world before testing their efficacies in a laboratory setting. This extensive research process ensures that men achieve a faster metabolism and consistent weight management.

Instant Knockout leverages the power of stimulants to garner industry-leading results. Substances like green coffee bean extract, caffeine anhydrous, and green tea extract can elevate the basal metabolic rate. This reaction causes the body to burn more calories while preventing new fat storage.

Stimulants also provide an instant shot of energy. They can give users the endurance necessary to grind through grueling gym sessions and high-intensity interval training with minimal fatigue. Instant Knockout even has appetite-suppressing properties that reduce the chances of overeating.

The complete list of ingredients is:

  • Zinc
  • Vitamin B6 and B12
  • Konjac root (glucomannan)
  • GTF chromium
  • Green tea extract
  • Green coffee bean extract
  • Cayenne powder
  • Caffeine anhydrous
  • Black pepper extract

Instant Knockout has high-quality natural ingredients to transform the body from a flabby mess to shredded muscle. Roar Ambition Ltd maintains high production standards by manufacturing the products in FDA-approved facilities. The FDA has the strictest regulations, ensuring that companies don't cut corners.

Since its inception, Instant Knockout has earned the distinction of being a go-to supplement among professional athletes. MMA Fighter of the Year Diego Sanchez and renowned MMA coach Greg Jackson use it to maintain muscle mass. The metabolism booster gives them the edge they need to stay ahead of the competition.

Any conversation about the best thermogenic fat burner should include Instant Knockout. It elevates metabolic processes to new heights so that men can achieve their body goals. The supplements also come with discounts on bulk purchases and worldwide shipping.

Click Here for the Lowest Price on Instant Knockout

#4 Clenbutrol: Best for Cutting Cycles

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Stuck with a soft midsection despite regular trips to the gym? Struggling with man boobs and love handles? Clenbutrol increases people's natural metabolic rate so that they can slim down and shape up.

Clenbuterol gained popularity as a celebrity weight loss drug. Today, Crazy Bulk uses a form of the compound to optimize cutting cycles. Men and women should take this metabolism-boosting pill with a reduced-calorie diet and regular cardiovascular exercise. The three forces work together to burn calories at a record rate.

Clenbutrol works with the body's natural processes to boost metabolism. It can even bolster cardiovascular health by improving oxygen transportation to the muscles. This benefit enables users to put on more muscle and burn fat.

The cutting cycle formula works, thanks to garcinia cambogia, a compact, pumpkin-shaped fruit from India and Southeast Asia. Garcinia cambogia contains a significant amount of hydroxycitric acid (HCA), which has weight loss-inducing properties. 

The ingredients in Clenbutrol include:

  • Vitamin B3
  • Guarana extract
  • Garcinia cambogia
  • Bitter orange extract

Men and women can lose weight and gain muscle within weeks of starting Clenbutrol. However, Clenbutrol works best with other stacking products, like Winsol, Anavar, and Trenorol. The blend of formulas makes it easier to tap into stubborn fat stores for energy.

Clenbutrol works well for anyone trying to lose weight through cutting cycles. The metabolism booster uses different biological pathways than traditional supplements, enabling users to achieve superior results. It deserves consideration from everyone, from high-performance athletes to overweight individuals.

Click Here for the Lowest Price on Clenbutrol

#5 PhenGold: Best for Suppressing Appetite

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Overeating is the number one enemy of weight loss. Even if someone does everything else right, consuming more calories than they burn will negate progress. PhenGold gives people a way to tamp down on hunger cravings once and for all.

PhenGold contains natural ingredients that promote weight loss. They trigger thermogenesis in the body, which raises the resting metabolic rate. As the metabolism increases, the body starts burning fat for energy.

This point is where other supplements fall short. Burning stored fat makes people hungry. However, eating too many calories can offset weight loss earlier in the day. PhenGold counters this problem with appetite-suppressing ingredients, nixing people’s desire to raid the pantry between meals.

The ingredients in PhenGold include:

  • Vitamin B3, B6, and B12
  • Rhodiola Rosea root
  • L-tyrosine
  • L-theanine
  • Green tea extract
  • Green coffee bean extract
  • Dimethylaminoethanol, or DMAE.
  • Cayenne pepper
  • Caffeine anhydrous

Even individuals with strict diets can enjoy PhenGold. The weight loss supplement does not contain lactose, soy, or gluten. Swiss Research Labs Ltd manufactures all supplements in FDA-approved facilities in the United States to ensure strict production standards.

Three pills per day can catapult users toward their weight loss goals. Swiss Research Labs Ltd recommends taking the supplements at even intervals throughout the day. The spacing enables the body to burn calories at a high rate even while users sleep.

Thousands of people have seen their desired weight loss results with PhenGold. The website has testimonials from satisfied customers, with some individuals losing more than 30 pounds. Best of all, PhenGold comes with next to no side effects.

PhenGold gives people the helping hand they need to boost their metabolism and lose weight. The appetite suppressant has a powerful natural formula that neutralizes hunger pangs and makes the most ambitious body goals attainable. PhenGold also comes with a 100 percent money-back guarantee and free shipping.

Click Here for the Lowest Price on PhenGold

What Are Metabolism Boosters, and How Do They Work?

Metabolism booster supplements contain wholesome ingredients that increase a person's metabolic rate. The pills work with the body's natural processes, making the metabolism more efficient at burning calories and breaking down fat. As a result, men and women can use supplements to facilitate weight management and improve their athletic performance.

Understanding how weight loss supplements work involves an overview of the metabolism. Metabolism is a process where the body converts food and beverages into energy. That energy provides the fuel necessary for every action, including breathing, thinking, and moving.

Multiple factors impact the basal metabolic rate. Some of them are immutable, like body size, body composition, sex, and age. For example, the average metabolism decreases with age. Additionally, men typically burn more calories than women because they have less fat and more muscle.

Metabolism-boosting pills influence the two mutable factors: thermogenesis and physical activity. Thermogenesis encapsulates the body's digestion, absorption, and transportation of food. The process requires a significant amount of body heat so that the digestive system can extract energy.

All physical activity affects metabolism. While running, swimming, and high-intensity interval training burn a mountain of calories, exercises as simple as walking and standing burn calories, too. However, activities don’t all burn the same number of calories, making increased physical activity a highly variable form of weight management.

Metabolism-boosting pills bolster thermogenesis and physical activity. Many of the supplements on this list make the body warmer, catalyzing a faster breakdown of food and beverages. Once the body metabolizes them, it will target fat deposits in the stomach, hips, legs, and arms for energy.

The supplements also aid physical activities. Even though supplement users have less energy from food, the pills have invigorating ingredients that deliver extra pep before workouts. The combination of a speedier metabolism and regular physical activity promotes optimal metabolic performance.

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Natural Metabolism Boosting Ingredients


Boosting metabolism may be as easy as drinking a morning cup of joe. The caffeine-rich beverage increases thermogenesis within minutes of consumption. A review of six different studies found that consumers can optimize their metabolic rate by consuming at least 270 milligrams of caffeine per day.

As a point of reference, a single cup of coffee contains approximately 100 milligrams of caffeine. Some of the supplements on this list have 200 milligrams per serving. However, you may need more caffeine than the average person if you drink coffee every day.

Talk to your doctor before incorporating caffeine into your weight loss regimen. While the substance can aid weight loss, you'll do more harm than good if you get caffeine from high-calorie beverages. Additionally, caffeine-sensitive individuals may experience restlessness, jitters, and insomnia.


A little capsaicin can burn a sizable number of calories. The chemical compound gives food a spicy kick while promoting weight loss and bolstering metabolism. Appetite released a study showing that capsaicin can help people burn 50 extra calories per day.

Only a few metabolism-boosting products contain this spicy substance. If you want to start burning calories with capsaicin, you're best off consuming it through food. Some of the best sources include chili peppers, chili powder, salsa, and paprika.


Fewer substances do more for the metabolism than L-carnitine. The chemical compound aids in converting body fat into energy. L-carnitine coaxes fat cells to release fatty acids into the bloodstream, where your body can metabolize them.

While your body produces L-carnitine naturally, you can find it in dairy products, beans, nuts, and red meat, too. However, it's possible to have too much of a good thing. The Office of Dietary Supplements says that 3 grams of L-carnitine can cause nausea, dizziness, and vomiting.

The benefits of L-carnitine don’t start and end with faster fat oxidation. The compound may be helpful for several conditions, including low metabolic syndrome, heart disease, and diabetic neuropathy. It can even contribute to superior brain function for people with Alzheimer's.

Chromium Picolinate

Chromium picolinate plays a central role in various bodily functions. It can accelerate metabolism and weight loss. PhenQ and Instant Knockout contain different forms of this super mineral.

How many calories you consume plays a direct role in your weight loss journey. If you find yourself fighting food cravings, chromium picolinate may be the solution. An eight-week study found that it reduced hunger and food intake in overweight women.


Several studies have tied chromium picolinate to improved blood sugar levels. It helps the body respond better to insulin, making it an invaluable resource for people with diabetes. A study featuring more than 62,000 participants found that people who take chromium supplements are 27 percent less likely to develop diabetes.

Conjugated Linoleic Acid (CLA)

Fat has become a dirty word. The truth is that not all fats are bad for you. Some of them, like conjugated linoleic acid, support protein metabolism and encourage weight loss.

Conjugated linoleic acid stands out as one of the hottest fat-burning treatments. Early tests have found that it may burn calories and speed up fat loss in animals. Some human trials have determined that the omega-6 fatty acid has weight loss benefits for humans, too.

Conjugated linoleic acid comes from vegetable oils, dairy products, and meat. The amount of conjugated linoleic acid varies depending on what an animal eats. For instance, grass-fed cows produce two to four times more CLA than their grain-fed counterparts.

Green Tea Extract

Green tea has a compelling case as the healthiest beverage in the world. It comes with various B vitamins and antioxidants that facilitate essential bodily functions. Some of the health benefits include:

  • Lower risk of cancer
  • Reduced risk of heart disease
  • Fat loss
  • Enhanced brain function
  • Appetite suppression
  • Possible prevention of bad breath.

While each of these listed benefits is impressive, the fat-burning capabilities merit more attention. Green tea can increase metabolism and fat oxidation simultaneously. One study found that it can increase the calories someone burns by 4 percent, while other researchers discovered that it improves fat oxidation by 17 percent.

Green tea provides the boost that people need to perform their best in the weight room. The caffeinated extract can elevate energy levels for several hours, offsetting the fatigue that comes with reduced-calorie diets. That way, people can burn calories during workouts without succumbing to sluggishness.

Natural Ways to Boost Metabolic Rate

Eat More Protein

A steak dinner might be what you need to boost your metabolism. That's because protein-rich foods, such as red meat, nuts, eggs, and dairy, have a high thermic effect. This measurement quantifies the energy the body needs to digest, absorb, and dispose of nutrients.

Protein has a higher thermic effect than carbohydrates or fats. According to a studyin Clinical Nutrition and Metabolism, protein causes the metabolic rate to rise 15 percent to 30 percent. Meanwhile, carbohydrates cause a 5 percent to 10 percent jump, and fats increase metabolism from 0 percent to 3 percent.

Clinical studies support these findings. One study analyzed people's diets based on their consumption of carbohydrates, fats, and protein. Researchers found that individuals with 30 percent or more protein in their diet also eat 441 fewer calories per day.

Make sure not to lean on processed foods too much as a protein source. Although cheese, bread, and savories are delicious, they contain high sugar, salt, and oil levels. Even though you're eating protein, your body must burn extra calories.

Drink Cold Water

A cold glass of water can make a significant difference in your metabolic health. First, if you already drink sugar beverages, you can use water as a calorie-free alternative. Second, water forces the body to burn more calories.

When you drink cold water, your system warms it to your current body temperature. The body requires more energy to heat cold water than lukewarm water. One study found that a 17-ounce glass of cold water can boost your metabolism by 10 percent to 30 percent for one hour.

Third, water has a satiating effect. While the beverage doesn't have any calories, well-hydrated individuals tend to have smaller appetites. Obesity (Silver Spring) determined that overweight people lose 44 percent more weight if they drink half a liter of water before meals.

Do High-Intensity Interval Training

Metabolism-boosting foods aren’t the only things that increase metabolism. High-intensity interval training (HIIT) can turbocharge your metabolic rate in no time. The exercises involve short, intense bursts of activity that culminate in an efficient workout.

The International Journal of Obesity published a study tracking the beneficial effects of high-intensity interval training on overweight men. The participants who did the training for 12 weeks ended up losing an average of 4.4 pounds. They also lost 17 percent of the fat in their abdomen and trunk.

Lift Weights

You don't need to be a bodybuilder to lift weights. Even moderate lifting can boost your metabolism and muscle development. It also means you'll burn more calories throughout the day, even while resting.

A study from Obesity (Silver Spring) analyzed the effects of weightlifting in overweight women. Researchers had 48 participants try reduced-calorie diets with no exercise. Once the women had completed the diet, some of them began resistance training.

The researchers found that both groups lost weight after the diet. However, the women in the exercising group maintained their muscle mass and strength while elevating their metabolic rate. When the other participants began losing weight, they also lost power and endurance.

Drink Coffee or Tea

Caffeine has a compelling case for the title of the best thermogenic fat burner. It's not a coincidence that many of the supplements on this list contain caffeine anhydrous, green tea extract, or green coffee bean extract. Studies show that caffeinated beverages can boost metabolism by 4 percent to 5 percent.

People who drink coffee or tea tend to burn more calories than their non-caffeinated peers. For example, tea causes fat stores to release fatty acids into the bloodstream, where the body can use them for energy. This reaction increases fat burning up to 17 percent.

If you have to choose between green tea and coffee, green tea should get the edge. Not only does it boost your metabolism, but it also comes with various antioxidants that coffee doesn't have. These substances can slow signs of aging and reduce your chances of certain cancers.

Eat Spicy Foods

Eating spicy foods can make losing weight easier since they contain capsaicin. This substance makes the food spicy and raises a person’s internal body temperature after consumption. This reaction has a thermogenic effect that can boost metabolism and activate fat-burning processes.

Researchers found that a dash of hot sauce helps a person burn ten extra calories per meal. While that may not seem like a lot, the slight difference can culminate in meaningful weight loss over time. If you cannot tolerate spicy food, this technique might not yield significant results.

How Much Do Metabolism Supplements Cost?

The best metabolism booster will set you back $50 to $70 per bottle. Fortunately, savvy customers can capitalize on various ways to save. For instance, Instant Knockout offers a 10 percent discount on the first purchase.

No cost-saving measure yields a more substantial return than bulk purchases. Companies often lower their prices when people buy multiple units at once. This pricing strategy incentivizes shoppers to purchase more while rewarding them for their loyalty. Some companies add perks when customers buy in bulk, such as complimentary bottles, exercise booklets, and free shipping.

How to Get the Best Results with Metabolism Boosters

Taking a metabolism-boosting pill isn't enough to make pounds disappear. Getting the best results requires supplements in conjunction with a healthy diet and exercise. Once these three pillars are in place, the weight loss journey can begin.

It's no secret that a healthy diet should feature an array of fruits and vegetables. Some dietitians recommend focusing on incorporating a diversity of colors to ensure a balanced intake. For instance, a salad with Swiss chard, carrots, tomatoes, and cheese checks off five different colors.

People can improve their metabolism by cutting back on refined carbs, such as white bread, cake, and donuts. These foods often lack essential nutrients and don't leave people feeling satiated. Other diet tips include:

  • Avoiding sugary sodas and fruit juices
  • Eating a high protein breakfast
  • Drinking water during and between meals
  • Eating soluble fiber
  • Eating slowly

The ideal exercise regimen depends on the individual. Someone that doesn't like to get sweaty should try swimming, while the elderly may benefit from lower intensity exercises like hiking, golfing, and bike riding. The specific activity isn't that important in the big picture. What dieters need to do is maintain a consistent workout schedule to ensure a high caloric burn.

Final Thoughts

More than 50 percent of Americans want to lose weight. Natural metabolism-boosting supplements offer an actionable solution to help them reach their goals. These powerful pills promote weight loss by breaking down stubborn fats and burning more calories than people consume.

Remember that each product has a distinct purpose. The best metabolism boosters work based on your fat loss goals and preferences. Our list makes it a snap to distinguish between the top appetite suppressants like PhenGold from the fat burners like PhenQ. That way, you can find the right product to kickstart your weight loss journey.

*This article is provided by an advertiser. Statements made are not meant to offer medical advice nor to diagnose any condition. Any studies cited here may be preliminary, and may or may not be peer reviewed, and may or may not have sufficient participants to be statistically relevant. Anecdotal accounts should not be taken as scientific results. Products discussed in this article are not designed to diagnose, treat, prevent, or cure any disease. The FDA does not evaluate dietary supplements. Consult your doctor about possible interactions, allergies, and if you are considering using a natural and/or dietary supplements for any condition. Individual results will vary.

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5 Best Metabolism Booster Pills to Speed up Metabolism 2021


5 Best Metabolism Booster Pills to Speed up Metabolism 2021

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