5 Best Fat Burners

Updated Nov 2024

Looking for a fat burner to help you shape up? Whether you’re looking for all-natural, clinically-tested, or infamously strong, AskMjareb tested and reviewed the best fat burners in the market to bring you our top 5.

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Best of the Best

Hydroxycut Elite

Muscletech

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SUMMARY

PROS

CONS

SUMMARY

Rising to fame as America’s #1 selling weight loss supplement for bodybuilders, Hydroxycut has now successfully completed two clinical trials on its ingredients so you know it’s effective. Yohimbe combined with L-Theanine provides a unique sensory-experience that you’ll just have to try to believe – and will reduce belly fat. But start slow – one capsule per day, up to a maximum of four.

PROS

This formula is scientifically proven to elevate energy and thermogenic drive after just one dose. Utilizing the power of Green Coffee Extract together with Coleus Forskohlii, maintain high energy while boosting muscle growth.

CONS

Start slow: one capsule per day, up to a maximum of four. And do not use Hydroxycut for a period of longer than two months. Those with anxiety or a sleep disorders should check with their doctor before using.

Best Value

Acai Berry Diet

Natrol

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SUMMARY

PROS

CONS

SUMMARY

Based on Acai berries, called nature’s purple gold, this is by far the gentlest fat-burner mentioned in this top 5 list. This fat burner comes with it’s own low-calorie, healthy diet and exercise plan, and when used as indicated, the company promises fast weight loss of up to 20 Ibs within 10 weeks.

PROS

Antioxidant-rich acai, metabolic boost from 4 varieties of plant-based caffeine – but no more than a cup’s worth of coffee – plus chromium and enzymes. You’ll feel the difference all day – even after months of use.

CONS

This natural-high-producing supplement doesn’t claim to work as a fat burner without diet and exercise. So those looking for a fat burner which amps you up and makes the pounds fall off should consider some of the other product in this review.

LIPO- 6 Black Ultra Concentrate

Nutrex Research

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SUMMARY

PROS

CONS

SUMMARY

Potentially the strongest fat-burner on the market today, one concentrated liquicap of LIPO-6 Black will give you the red-hot thermogenic boost you’ve been seeking. This rapid fat-destroyer will make your body feel great, increase your energy levels, and improve alertness. With its powerful appetite-suppressing effect, this LIPO-6 speeds up your metabolism rate to burn extra calories.

PROS

This fat burner is quickly absorbed to give you complete control over your appetite and the feeling of fatigue that usually accompanies a diet. If losing weight is your target, Lipo 6 is the way to it!

CONS

LIPO-6 is nothing to be trifled with! Never take more than one LIPO-6 capsule at a time, and no more than two per day. Users of Aspirin or anti-depressant drugs, please check with your physician before ingesting this product.

The Ripper

Cobra Labs

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SUMMARY

PROS

CONS

SUMMARY

This Fat Burner is not for the novice or casual user! It’s a hardcore, fast-acting supplement based on a swift cocktail of Beta Alanine, Guarana, Caffeine, Taurine, Acetyl-L-Carnitine and various kinds of herbal extracts. Designed to be taken on an empty stomach, check your body’s tolerance before going full-throttle.

PROS

Offered in a variety of tastes and flavors and contains healthy plant-based ingredients such as Green Coffee Bean, Green Tea, Cinnamon and Olive Leaf which help to curtail the jitters or crash which can come with some products.

CONS

One common side-effect is a harmless-but-annoying itchy sensation which comes along with the Beta Alanine. But there could be more serious side-effects especially for those with GI, CNS or CVS issues. As always, check with your doctor to be sure.

Trans4orm

EVLution Nutrition

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SUMMARY

PROS

CONS

SUMMARY

This product provides a much broader range of natural fat-burners than most products on the market. Trans4orm also fortifies you with a various nootropics such as Picamilon, A-GPC, and Huperzia Serrata – designed to clarify the mind and give you a mental boost to balance out your physical one. And Choline will help you reduce belly fat!

PROS

Only doses you with about two-medium-coffees worth of caffeine – which Trans4orm mixes with L-Tyrosine and Coleus Forskohlii to give you a natural mood and testosterone boost. And green tea extract contains catechins to make you sweat!

CONS

Contains a couple of ingredients which you should check with your doctor about before ingesting: Huperzia and Alpha-Glycerylphosphorylcholine can cause dangerous side-effects in high doses.

Shop For The Best Fat Burner!

When deciding which of the best fat burning products on the market is right for you, there are a number of important factors to address. Consider the following weight loss tips: First, what are you goals in purchasing a body fat burning product? If you want your fat burner to amp you up while peeling off the pounds, go for a high-octane product like Muscletech’s Hydroxycut, Cobra Labs’ The Ripper, or Nutrex’s LIPO-6. If you’re looking for a bit of a gentler body fat burner to accompanied by a solid exercise regime, try Evlution Nutrition’s Trans4orm, or even Natrol’s Acai Berry Diet. Second, do you have any preexisting medical conditions, especially with your gastrointestinal system, central nervous system, or cardiovascular system? Because fat burners can put pressure on these body systems, only certain fat burners may be permissible for you. For example, Synephrine, found in LIPO-6, is typically contraindicated to ingest with caffeine for those with CVS conditions. Check with your doctor and your dietician before taking any new supplement. In the case that you are amongst those with a pre-existing medical condition, we also urge you to choose a weight loss supplement which is transparent with not only its ingredients list but with the amounts of each. Otherwise, you might be taking a health gamble you just can’t afford in your quest towards how to lose weight fast. Some products, such as Natrol’s Acai Berry Diet, and Muscletech’s Hydroxycut Elite espouse full transparency and share will you freely their formula on the nutritional information label. Others, like Cobra Labs’ The Ripper, or Nutrex LIPO-6 only share with you which ingredients are in their proprietary formula while keeping their actual proportions a trade secret. Next, you might want to ask yourself how tolerant your body is of strong doses of caffeine. Because it’s one of the best ways to lose weight, pretty much all fat burning products use caffeine in their formulation. But some use much more than others, and some less. In particular, Muscletech’s Hydroxycut has the most caffeine of our top 5 (3-6 cups a day when taking 2-4 pills) while Natrol’s Acai Berry Diet has the least, with only one cup per day when taking the recommended daily dosage of 2 pills. Last, if you have a sensitivity to synthetic caffeine or other synthetic ingredients, you might want to consider a fat burner which sources its caffeine solely from plants, such as Natrol’s Acai Berry Diet or Evlution Nutrition’s Trans4orm.

How We Decided

We purchase every product we review with our own funds — we never accept anything from product manufacturers.

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Experts Interviewed

Consumers Consulted

Fat Burners - Our Expert Advice

If you’re wondering how to lose weight while maintaining a holistic, health-enhancing lifestyle…: then it’s a no-brainer to go for Natrol’s Acai Berry diet. It comes with its own special weight loss food and fitness program, and its active ingredients are gentle enough to be used even by some people with preexisting health conditions. (To be 100% sure, you should always check with your doctor.)
If you seek a natural product to deliver up physical and mental energy without the hard ‘edge’ found in many fat burning products…: then don’t hesitate to buy Evlution Nutrition’s Trans4orm. Containing a cocktail of herbs known to promote physical and mental prowess, Trans4orm will give you both the the mental clarity and steady hands you need to complete your day’s most important tasks.
If you’re looking for a clinically tested, fully transparent formula that packs a hard punch and keeps punching…: then get a load of Muscletech’s Hydroxycut Hardcore Elite formula. It’s a verified answer for how to lose fat quickly using the strongest doses available of the trendiest high-tech body fat burning ingredients. Yohimbe, Coleus Forskohlii and L-Theanine (& of course industry-standard Caffeine Anhydrous and Green Coffee Extract) headline this product’s nutritional label. And with its 2 recently completed clinical trials, you can trust both the effectiveness of the formula and the quality of the ingredients used in this best-of-breed product.

Fat Burners Features

Capsules vs. Powder- Most fat burners such as Muscletech’s Hydroxycut Hardcore Elite come in convenient capsule form, while some, such as Cobra Labs’ The Ripper come as a powder which you must mix with water, juice – or with your whey protein shake to make a complete bodybuilding food. Some, like Evlution Nutrition’s Trans4orm come either in pill or powder form.
Clinical Tests- Some of the best weight loss supplements out there, such as Muscletech’s Hydroxycut Hardcore Elite have performed clinical trials on their formulations, and as such can rightly say that their marketing clams are backed up by science – but most have not.
Natural vs. Synthetic- Some body fat burners such as Natrol’s Acai Berry Diet and Evlution Nutrition’s Trans4orm are derived from all-natural ingredients – one could even call them bodybuilding food supplements. Others might contain synthetic Caffeine, Theobromine, Synephrine or other artificial ingredients.
Types of Fat Burners- There are six main functions of the best fat burning pills. All the products in this AskMjareb review use a combination of the below methods. If you read below a method that seems particularly effective for your weight loss diet plan, we recommend you select a fat burning supplement that emphasizes your active ingredient of choice: *Thermogenic weight loss supplements work by speeding up metabolism so all foods become fat burning foods. *Carb Blocking products are one of the fastest ways to lose weight, because they inhibit the body’s natural carb digesting enzymes. *Appetite Suppressantswork within the brain to push down the body’s natural feeling of hunger often by using an African herb called Hoodia. Using this technique, you won’t overeat and undo your fat burning workout.