Top Fat Burners of 2020

A good fat burner can help you lose inches and achieve a more toned appearance, but unfortunately there are lots of ineffective products out there. So, we’ve done the time-consuming research and tracked down the very best fat burners to help you reach your goals faster!

#1 Five Star Fat Burner

96
0/5
Overall Rating
Effectiveness
98 98%
Speed of Results
92
Ingredient
Quality
99

PROS

CONS

5 Star Fat Burner is a natural, thermogenic fat burner. It relies on two clinically-proven key ingredients, plus five powerful supporting ingredients, to maximize fat-burning potential and promote weight loss. The main ingredients are Capsimax® (hot pepper extract) and GreenSelect® Phytosome® (green tea extract). 5 Star Fat Burner capsules are vegetarian, made in the USA and 100% caffeine-free. This supplement is sold online on Phen.com.

#2 Genius Burn

89
0/5
Overall Rating
Effectiveness
88 88%
Speed of Results
85
Ingredient
Quality
95

PROS

CONS

Genius Burn capsules have four main ingredients: TeaCrine®, Sensoril®, Capsimax®, and iFAS503™. They are produced by The Genius Brand and designed to provide both a metabolic and cognitive boost. These pills contain clinically-proven key ingredients and are made in the USA, but many users report stomach upset and the capsules are relatively-expensive compared to other fat burners on the market.

#3 Burn XT

83
0/5
Overall Rating
Effectiveness
82 82%
Speed of Results
79
Ingredient
Quality
88

PROS

CONS

Burn XT is a thermogenic fat burner. It is sold by Jacked Factory and intended to help users boost metabolism and burn fat. Burn XT has five main ingredients. The bottle recommends that users take 2 capsules 1-2x per day. Unfortunately, many reviewers complain that this supplement causes uncomfortable side effects and produces inconsistent results.

#4 Force Factor LeanFire

81
0/5
Overall Rating
Effectiveness
83 83%
Speed of Results
79
Ingredient
Quality
81

PROS

CONS

LeanFire is a weight loss supplement made with Verilean, an ingredient clinically proven to aid weight loss. Each capsule also contains 150mg of caffeine paired with L-theanine to provide an energy boost. However, there are some drawbacks to LeanFire. Verilean can cause digestive issues, most of which are related to its natural caffeine content.

#5 Invigor8 Fat Burner

80
0/5
Overall Rating
Effectiveness
87 87%
Speed of Results
80
Ingredient
Quality
72

PROS

CONS

Invigor8 Fat Burner is a thermogenic fat burner that uses eight natural ingredients to burn fat, suppress appetite and boost energy, mood & metabolism. It has positive customer reviews, but users have to take a lot of pills (4-6 capsules each day) to see results. Invigor8 Fat Burner is sold by Biomedical Research Laboratories, LLC.

#6 Vintage Burn

79
0/5
Overall Rating
Effectiveness
84 84%
Speed of Results
81
Ingredient
Quality
73

PROS

CONS

Vintage Burn is a “muscle-preserving” fat burner that aims to boost metabolism and fat loss without sacrificing users’ hard-earned lean muscle mass. This is a great concept in theory, but many former customers report negative side effects: ranging from mild gastrointestinal (GI) upset to more severe reactions like dizziness or excessive sweating. Vintage Burn is sold by Old School Labs. 

#7 Trimtone

78
0/5
Overall Rating
Effectiveness
76 76%
Speed of Results
73
Ingredient
Quality
85

PROS

CONS

Trimtone is a fat burner that is specifically formulated for women. Its natural ingredients reduce appetite and boost metabolism. Unfortunately, Trimtone contains as well caffeine which may cause sleeplessness and irritability.

#8 C4 Ripped

78
0/5
Overall Rating
Effectiveness
86 86%
Speed of Results
72
Ingredient
Quality
76

PROS

CONS

C4 Ripped is a powdered mix that boosts athletic performance to help users reduce body fat, when used in combination with a clean diet and proper exercise. The recommended dosage is one scoop, combined with six ounces of water, taken 20 to 30 minutes prior to physical activity. Unfortunately, C4 Ripped produces a range of uncomfortable side effects. Some users report tightness in the chest and increased heart rate or blood pressure.

#9 Lux Keto BHB

75
0/5
Overall Rating
Effectiveness
62 62%
Speed of Results
84
Ingredient
Quality
78

PROS

CONS

Keto BHB is targeted at people who have recently started the ketogenic (keto) diet and are struggling to achieve ketosis, or grappling with “keto flu” symptoms. It comes from Lux Supplement and contains a blend of ingredients with purported fat-burning and energy-boosting effects. Many users, however, experience side effects and only some report any positive effect after taking this supplement.

#10 Skinny Gal

74
0/5
Overall Rating
Effectiveness
74 74%
Speed of Results
65
Ingredient
Quality
82

PROS

CONS

Skinny Gal is a thermogenic fat burner that uses all-natural ingredients to boost the body’s metabolism. It is designed specifically for women, by women, to address female’s unique fat loss needs. However, the ingredients are not clinically-proven and the capsules produce various negative side effects. More: the manufactures of this supplement, Rockstar, send-out free product in exchange for positive feedback, which calls into question the validity of this supplement’s reviews.

#11 Nobi Nutrition Premium Women’s Fat Burner

74
0/5
Overall Rating
Effectiveness
75 75%
Speed of Results
70
Ingredient
Quality
77

PROS

CONS

Nobi Nutrition Premium Women’s Fat Burner is designed to help users tone up and slim down. The capsules are made in a GMP certified facility in the USA, giving users confidence in the product’s origins. However, its appetite suppressant properties are short-lived, and the capsules can cause a wide range of side effects. 

#12 ProbioSlim

73
0/5
73
0/5
Overall Rating
Effectiveness
76 76%
Speed of Results
68
Ingredient
Quality
75

PROS

CONS

ProbioSlim capsules contain energy-boosting caffeine and the probiotic LactoSpore for weight management and healthy digestion. However, there are some drawbacks to choosing ProbioSlim. Although users may notice mild changes early on, it can take three or more months to experience the full benefits. 

#13 Animal Cuts

73
0/5
Overall Rating
Effectiveness
68 68%
Speed of Results
80
Ingredient
Quality
72

PROS

CONS

Animal Cuts is a powerful “cutting” supplement, geared primarily at bodybuilders & fitness enthusiasts. This fat burner consists of nine separate pills, taken each day in a ‘three weeks on, three weeks off’ cycle. Animal Cuts may be an effective method for quick fat loss, but this intense & expensive supplement also causes a wide range of severe and worrisome side effects

#14 Lean PM

72
0/5
Overall Rating
Effectiveness
71 71%
Speed of Results
65
Ingredient
Quality
79

PROS

CONS

Lean PM is a “nighttime fat burner” designed to support better sleep quality and burn fat overnight. It’s made by Jacked Factory. Lean PM it is different than other fat burners because it’s specifically intended to work at night. Adults are instructed to take two capsules 40 minutes before bedtime to achieve optimal results. Unfortunately, Lean PM actually worsens insomnia and anxiety for some users.

#15 AtraFen Elite

70
0/5
Overall Rating
Effectiveness
65 65%
Speed of Results
68
Ingredient
Quality
77

PROS

CONS

Atrafen Elite is a thermogenic diet pill designed to support weight management by providing both physical and mental benefits. Sadly, this supplement falls short of its claims with customers consistently reporting side effects like headaches, breakouts and stomachaches. Some reviewers even go so far as to compare these pills to a multivitamins, given their lack of effectivenessAtrafen Elite is sold by Nutratech Health.

#16 Evlution Nutrition LeanMode

68
0/5
Overall Rating
Effectiveness
67 67%
Speed of Results
72
Ingredient
Quality
65

PROS

CONS

 LeanMode is a stimulant-free supplement that boosts the metabolism and curbs appetite cravings for weight loss support. Its suitable for vegans and those following a gluten-free diet. However, it can also be a dangerous choice for some. Although the capsules are stimulant-free, green coffee naturally contains small amounts of caffeine and the FDA warns against the use of garcinia cambogia.