10 Best stimulant free fat burners of 2025

Save up to 23% off

Best Choice

1

Jacked Factory

Jacked Factory Lean-XT Max - High-Performance Stim-Free Fat Burner with Carnipure, Green Tea Extract, InnoSlim, & ForsLean for Increased Metabolism, Weight Loss, & Appetite Suppression - 90 Count
9.7

Exceptional

Our Rating
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Jacked Factory
Jacked Factory Lean-XT Caffeine Free Fat Burner - Non Stim Weight Loss Supplement, Appetite Suppressant & Metabolism Booster | Acetyl L-Carnitine, Green Tea Extract, Forskolin - 60 Natural Diet Pills
Main highlights

Advanced Thermogenic Formula
An all-natural, non-stimulant fat burner for men and women, designed to burn fat, preserve muscle, and boost metabolism without caffeine or artificial fillers.

Ideal for Caffeine-Sensitive Users
Perfect for those who want to maximize weight loss, control appetite, and improve aesthetics without the jittery side effects of stimulants.

Praised for No Side Effects
Customers appreciate the lack of nausea and jitters, with many noting effective weight loss when combined with diet and exercise.
Key specs
- Usage:Non-stimulant, keto friendly
- Form:Capsules
- Ingredients:Forskolin, Green Tea Extract, Acetyl L-Carnitine
- Benefits:Burn fat, preserve muscle
- Metabolism:Boosts metabolism
9.6

Exceptional

Our Rating
3

Evlution
EVL Weight Loss Support Pills - Premium Multipurpose Appetite Metabolism and Fat Loss Support for Men and Women - LeanMode with Green Coffee Bean Extract CLA and Garcinia Cambogia - 50 Servings
Main highlights

Key Features
Plant-based weight loss pills with garcinia cambogia, supporting hunger, belly fat reduction, and metabolism for a lean figure.

Ideal Use Cases
Perfect for those struggling with weight loss, cravings, and belly fat, aiming for a slim, lean figure without sacrificing muscle.

Customer Praise
Highly praised for its effective ingredients, transparency, and significant impact on weight loss and cravings control.
9.3

Excellent

Our Rating

9.5
quality of ingredients

9.1
simple to consume

8.9
Serving size
4

RSP NUTRITION
RSP Nutrition QuadraLean - Stimulant Free Weight Management, Metabolism Booster, Energy & Appetite Support - CLA, L-Carnitine, Green Tea Extract, Non-Stim Formula, 50 Serv (Packaging May Vary)

10% Off
Main highlights

Key Features & Benefits
Stimulant-free weight management, boosts metabolism without caffeine, supports healthy immune system with Green Tea Extract.

Ideal Use Cases
Perfect for those sensitive to stimulants, seeking no-crash weight management and metabolism support in their supplement regimen.

Customer Reviews Highlight
Most praised for its effectiveness without the jittery side effects commonly associated with fat burners.
9.2

Excellent

Our Rating

9.3
simple to consume

9.1
worth the money

9.1
Flavor
5

BPI Sports
BPI Sports CLA+Carnitine – CLA L Carnitine & Linoleic Acid – L Carnitine Supplement for Weight Loss, Metabolism & Lean Muscle – Caffeine Free – Watermelon Freeze – 50 Servings – 12.34 oz
Main highlights

Fat Conversion to Energy
Conjugated Linoleic Acid and Carnitine help convert fat cells into energy.

Non-Stimulant Versatility
Ideal for use anytime or stacking with other supplements.

Popular Snow Cone Flavor
Customers praise the snow cone flavor for its taste.
8.9

Very Good

Our Rating

8.0
worth the money

8.0
Flavor
See Today’s Deals & Prices
6

Beverly International

Beverly International Lean Out 120 caps. Fat Burner with Metabolic Support. Lipotropics. Choline, Carnitine, Chromium. Stimulant-Free Belly Fat Burner. Get Leaner. Use AM & PM, Stackable Diet Pills.
8.8

Very Good

Our Rating
7

Iron Brothers Supplements
Iron Brothers Supplements Stimulant Free Fat Burners for Women and Men – Weight Loss - Non Stim Thermogenic Fat Burner – Dietary Supplement – Metabolism Booster with Cayenne Pepper – 30 Day Supply
Main highlights

Boosts Metabolism and Weight Loss
This non-stimulant fat burner contains powerful ingredients like Acetyl-L-Carnitine and Cayenne Pepper Extract to help increase metabolism and accelerate weight loss.

Ideal for Stimulant-Free Diets
Perfect for those seeking weight loss without caffeine or stimulants, offering a safe option for individuals with sensitivities or specific dietary needs.

Praised for Non-Jittery Energy
Customers appreciate the clean energy boost without jitters, making it easier to maintain motivation for workouts and overall fitness routines.
Key specs
- Usage:2 capsules a day
- Form:Capsules
- Ingredients:Acetyl-L-Carnitine, Olive Leaf
- Benefits:Boost metabolism, burn fat
- Metabolism:Boosts metabolism
8.6

Very Good

Our Rating

9.7
quality of ingredients

9.5
For exercise

9.1
Efficient Energy Use
8

Nutrex Research
Nutrex Research Liquid Carnitine 3000 | Orange Mango | Stimulant Free | 31 Servings 16 Fl Oz
Main highlights

3000MG Per Serving for Metabolism and Endurance Support
The Nutrex Research L-Carnitine 3000 provides 3000mg of pure Liquid L-Carnitine per serving, supporting metabolism, endurance, and fat conversion into usable energy.

Ideal for Pre-Workout and Weight Loss
Perfect for athletes, fitness enthusiasts, and bodybuilders, this stimulant-free supplement enhances performance, aids in muscle recovery, and supports fat metabolism.

Praised for Flavor and Energy Boost
Customers love the cherry flavor and report increased energy levels, making it a favorite choice for pre-workout supplementation and daily energy support.
Key specs
- Form:Liquid
- L-Carnitine:3000mg
- Quantity:31 servings
- Serving Size:3000mg per serving
- Flavors:N/A
8.4

Good

Our Rating

9.9
Flavor

9.3
Efficient Energy Use

8.2
worth the money
9

Evlution
Evlution Nutrition Night Time Fat Burner Support - Overnight Sleep and Weight Loss Support Pills with Thermogenic Green Tea and White Kidney Bean Extract - Diet Pills That May Help Stubborn Fat Loss

23% Off
Main highlights

Metabolism Boosting Ingredients
Supports metabolism with white kidney bean extract, green tea, and chromium picolinate for effective weight management.

Ideal for Nighttime Use
Designed to enhance metabolism and promote restful sleep, perfect for overnight weight loss support.

Praised Sleep Aid
Customers appreciate the product's ability to aid in falling asleep faster and improving rest quality.
Key specs
- Usage:Nighttime
- Form:Complex
- Ingredients:White kidney bean, green tea
- Benefits:Metabolism boost, hunger decrease
- Metabolism:Supports faster metabolism
8.3

Good

Our Rating

9.5
quality of sleep

9.5
worth the money
10

Evlution
Evlution Stimulant Free Lean BCAA Powder Nutrition BCAAs Amino Acids Powder with CLA Carnitine and 2:1:1 Branched Chain Amino Acids Supports Muscle Recovery Fat Burn and Metabolism - Fruit Punch

15% Off
Main highlights

Build Muscle and Burn Fat
All-In-One Formula to Build Muscle and Burn Fat Plus Boost Endurance and Recovery with 5 grams of BCAAs, CLA, and L-Carnitine without stimulants.

Best for Intense Workouts
Ideal for intense training sessions and early morning workouts, providing muscle fuel, enhancing endurance, and supporting fat loss without causing jitters.

Customer Praised Taste
Most customers highly praise the delicious taste and easy mixability of the BCAA powder, making it a refreshing treat post-workout.
Key specs
- Total BCAAs:5 grams
- Amino Acids:5 grams of BCAAs
- Total EAAs:N/A
- Flavors:N/A
- Dosage:N/A
8.0

Good

Our Rating

9.9
simple to consume

9.7
For exercise

9.3
worth the money

10 Best stimulant free fat burners of 2025

1

Jacked Factory Lean-XT Max - High-Performance Stim-Free Fat Burner with Carnipure, Green Tea Extract, InnoSlim, & ForsLean for Increased Metabolism, Weight Loss, & Appetite Suppression - 90 Count

How do we rank?

How do we rank?

Analyzing top stores

2

Jacked Factory Lean-XT Caffeine Free Fat Burner - Non Stim Weight Loss Supplement, Appetite Suppressant & Metabolism Booster | Acetyl L-Carnitine, Green Tea Extract, Forskolin - 60 Natural Diet Pills

3

EVL Weight Loss Support Pills - Premium Multipurpose Appetite Metabolism and Fat Loss Support for Men and Women - LeanMode with Green Coffee Bean Extract CLA and Garcinia Cambogia - 50 Servings

9.5

9.1

8.9

4

RSP Nutrition QuadraLean - Stimulant Free Weight Management, Metabolism Booster, Energy & Appetite Support - CLA, L-Carnitine, Green Tea Extract, Non-Stim Formula, 50 Serv (Packaging May Vary)

9.3

9.1

9.1

5

BPI Sports CLA+Carnitine – CLA L Carnitine & Linoleic Acid – L Carnitine Supplement for Weight Loss, Metabolism & Lean Muscle – Caffeine Free – Watermelon Freeze – 50 Servings – 12.34 oz

8.0

8.0

6

Beverly International Lean Out 120 caps. Fat Burner with Metabolic Support. Lipotropics. Choline, Carnitine, Chromium. Stimulant-Free Belly Fat Burner. Get Leaner. Use AM & PM, Stackable Diet Pills.

7

Iron Brothers Supplements Stimulant Free Fat Burners for Women and Men – Weight Loss - Non Stim Thermogenic Fat Burner – Dietary Supplement – Metabolism Booster with Cayenne Pepper – 30 Day Supply

9.7

9.5

9.1

8

Nutrex Research Liquid Carnitine 3000 | Orange Mango | Stimulant Free | 31 Servings 16 Fl Oz

9.9

9.3

8.2

9

Evlution Nutrition Night Time Fat Burner Support - Overnight Sleep and Weight Loss Support Pills with Thermogenic Green Tea and White Kidney Bean Extract - Diet Pills That May Help Stubborn Fat Loss

9.5

9.5

10

Evlution Stimulant Free Lean BCAA Powder Nutrition BCAAs Amino Acids Powder with CLA Carnitine and 2:1:1 Branched Chain Amino Acids Supports Muscle Recovery Fat Burn and Metabolism - Fruit Punch

9.9

9.7

9.3

Sign up and get exclusive special deals