Top Fat Burners of 2019

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

  • Clinically-proven key ingredients
  • 100% caffeine-free
  • Made in the USA

CONS

  • Only available online at Phen.com

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

  • Clinically-proven active ingredients
  • All-natural & caffeine-free

CONS

  • Expensive
  • May cause stomach upset

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

  • Gentle but noticeable energy boost
  • Mild appetite suppressant

CONS

  • Negative side effects common
  • Inconsistent results

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 Invigor8 Fat Burner

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

PROS

  • Generous return policy
  • Made in the USA

CONS

  • Users take up to 6 pills per day
  • Site run subscription service
  • May interfere with sleep

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.

#5 Vintage Burn

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

PROS

  • Burns fat & preserves lean muscle mass (supposedly)
  • Made in the USA

CONS

  • Various negative side effects
  • Contains caffeine

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. 

#6 Lux Keto BHB

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

PROS

  • Boosts energy & combats "keto flu" symptoms
  • Made in the USA

CONS

  • Only works with ketogenic diet
  • Contains caffeine, which may cause side effects

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.

#7 Skinny Gal

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

PROS

  • Affordable & good return policy
  • Made for women, by women

CONS

  • Unproven ingredients
  • Negative side effects
  • Unreliable customer reviews

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.

#8 Animal Cuts

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

PROS

  • Comprehensive approach to fat burning

CONS

  • NINE daily pills
  • Many warnings & potential side effects
  • Expensive

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

#9 Lean PM

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

PROS

  • Stimulant-free
  • Improves sleep quality naturally

CONS

  • May worsen insomnia/anxiety
  • Unproven effectiveness

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.

#10 AtraFen Elite

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

PROS

  • Made in the USA
  • All-natural ingredients

CONS

  • Variable effectiveness
  • Bad side effects
  • No refund for open bottles

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.