l-carnitine supplements
Our pick
Nutrex Liquid Carnitine 3000
Muscle & Strength
3000 mg per serving
$9.99
Most l-carnitine per dollar of the 56 products here
A Nutrex Product
Turn Unwanted Fat Into Energy...Fast*
Designed to optimize metabolism & enhance endurance*
3000mg l-carnitine per serving
Available in 4 delicious flavors
31 servings per bottle…
View at Muscle & Strength →
Comparison
- 56 products contain l-carnitine
- 15 of those contain l-carnitine and nothing else
- l-carnitine is widely stocked — carried by 5 merchants
Serving size across these products log scale
500 mgtypical
3,000 mgour pick
1.2 mg
3,500 mg
Lowest priced
Bottle price only. Container sizes vary and servings per container are not stated consistently, so this is a starting point rather than a like-for-like comparison.
Purest Form, Clinically Tested • Fitness Support • Boosts Cellular Energy • Transports Fatty…Purest Form, Clinically Tested • Fitness Support • Boosts Cellular Energy • Transports Fatty Acids • Carnipure® • A Dietary Supplement • Vegetarian/Vegan • Non-GMO • Kosher • Amino Acids • Family Owned Since 1968 • Halal • GMP Quality Assured
$9.17
500 mg per serving
A Nutrex Product Turn Unwanted Fat Into Energy...Fast* Designed to optimize metabolism &…A Nutrex Product Turn Unwanted Fat Into Energy...Fast* Designed to optimize metabolism & enhance endurance* 3000mg l-carnitine per serving Available in 4 delicious flavors 31 servings per bottle
$9.99
3000 mg per serving
An AllMax Nutrition Product Delicious and Convenient with 1,200 mg per Serving plus Vitamin…An AllMax Nutrition Product Delicious and Convenient with 1,200 mg per Serving plus Vitamin B5! 1,200mg L-Carnitine per serving Convenient and easy to use 31 full servings per bottle
$9.99
1500 mg per serving
A Primeval Labs Product Fat Metabolism Formulated for Your Goals 3,000 l-carnitine per…A Primeval Labs Product Fat Metabolism Formulated for Your Goals 3,000 l-carnitine per serving Advanced metabolic support & stim-free energy* Delicious flavor & taste Sugar free
$9.99
3000 mg per serving
A NOW Foods Product Herbs & Nutrients Designed to Support Healthy Liver Function! Designed to…A NOW Foods Product Herbs & Nutrients Designed to Support Healthy Liver Function! Designed to support healthy liver function Contains N-acetylcysteine, methionine & other nutrients Dairy free, egg free, gluten free, nut free, soy free Available in 30 or 60 serving containers
$11.99
50 mg per serving
Most l-carnitine per serving
Ranked by the amount stated on the label. mg is the unit most brands use for l-carnitine, and only products measured that way are ranked here — the other 11 use a different unit and can't be compared like for like, but they are still listed above by price. Serving sizes differ between brands, so check the label for how many capsules or tablets that is.
A Metabolic Nutrition Product Weight Loss Never Tasted So Good 3,500mg of pure L-Carnitine for…A Metabolic Nutrition Product Weight Loss Never Tasted So Good 3,500mg of pure L-Carnitine for maximum fat-burning support* Boosts natural energy without stimulants or crashes* Helps convert stored fat into usable workout fuel* Supports recovery and reduces post-workout soreness*
3500 mg
$16.99
A Nutrex Product Turn Unwanted Fat Into Energy...Fast* Designed to optimize metabolism &…A Nutrex Product Turn Unwanted Fat Into Energy...Fast* Designed to optimize metabolism & enhance endurance* 3000mg l-carnitine per serving Available in 4 delicious flavors 31 servings per bottle
3000 mg
$9.99
A Primeval Labs Product Fat Metabolism Formulated for Your Goals 3,000 l-carnitine per…A Primeval Labs Product Fat Metabolism Formulated for Your Goals 3,000 l-carnitine per serving Advanced metabolic support & stim-free energy* Delicious flavor & taste Sugar free
3000 mg
$9.99
A Ronnie Coleman Product Pure Liquid L-Carnitine with Delicious Flavors 31 Servings per…A Ronnie Coleman Product Pure Liquid L-Carnitine with Delicious Flavors 31 Servings per bottle Delicious flavor options Stimulant-free fat burning Available in 3000mg & 4000mg potencies
3000 mg
$14.99
A Gaspari Nutrition Product Maximum Strength Liquid Carnitine 3,000mg l-carnitine per…A Gaspari Nutrition Product Maximum Strength Liquid Carnitine 3,000mg l-carnitine per serving Maximum strength 2x concentration 32 servings per bottle
3000 mg
$16.99
Nothing but l-carnitine
Products where l-carnitine is the only ingredient we found — useful if you are building a stack deliberately and don't want extras you didn't choose.
Purest Form, Clinically Tested • Fitness Support • Boosts Cellular Energy • Transports Fatty…Purest Form, Clinically Tested • Fitness Support • Boosts Cellular Energy • Transports Fatty Acids • Carnipure® • A Dietary Supplement • Vegetarian/Vegan • Non-GMO • Kosher • Amino Acids • Family Owned Since 1968 • Halal • GMP Quality Assured
$9.17
500 mg per serving
Cellular Energy • Recovery Support • Supports Cardiovascular System • Supports Fatty Acid…Cellular Energy • Recovery Support • Supports Cardiovascular System • Supports Fatty Acid Metabolism • Amino Supplement • Attack - Recover - Optimize
$14.99
500 mg per serving
Purest Form, Clinically Tested • Fitness Support • Boosts Cellular Energy • Transports Fatty…Purest Form, Clinically Tested • Fitness Support • Boosts Cellular Energy • Transports Fatty Acids • Carnipure™ • Dietary Supplement • Vegetarian/Vegan • Non-GMO • Kosher • Amino Acids • Family Owned Since 1968 • Halal • GMP Quality Assured
$15.91
500 mg per serving
Carnitine is created in the body from the amino acids lysine and methionine. Whatever your…Carnitine is created in the body from the amino acids lysine and methionine. Whatever your fitness goal, these tablets have been formulated to promote energy to help you even in your toughest workouts, as well as support a balanced diet.
$16.24
1 g per serving
A Gaspari Nutrition Product Maximum Strength Liquid Carnitine 3,000mg l-carnitine per…A Gaspari Nutrition Product Maximum Strength Liquid Carnitine 3,000mg l-carnitine per serving Maximum strength 2x concentration 32 servings per bottle
$16.99
3000 mg per serving
Covers the most in one bottle
These contain l-carnitine plus the most other ingredients we found — fewer bottles if the rest of your stack overlaps.
Energy Production • Mental Alertness • Natural Caffeine • With B Vitamins • Dietary Supplement…Energy Production • Mental Alertness • Natural Caffeine • With B Vitamins • Dietary Supplement • Kosher • Non GMO • Hala • GMP Quality Assured
21 ingredients
$18.36
21 ingredients
$32.99
An AllMax Nutrition Product The Most Xtreme Anabolic EAA 10g EAAs (13g total amino acids) With…An AllMax Nutrition Product The Most Xtreme Anabolic EAA 10g EAAs (13g total amino acids) With added l-carnitine & glutamine 550mg nootropic blend Electrolytes for hydration
20 ingredients
$39.99
Made with Non-GMO Ingredients • Muscle Growth, Strength & Repair • Gluten Free • Kosher Dairy…Made with Non-GMO Ingredients • Muscle Growth, Strength & Repair • Gluten Free • Kosher Dairy • Dietary Supplement
20 ingredients
$48.76
Usually combined with
What actually shares a bottle with l-carnitine, counted across these 56 products.
Pantothenic Acid · 12Vitamin B6 · 11Chromium · 8Calcium · 7Caffeine · 7L-Methionine · 6Niacin (Vitamin B3) · 6l-tyrosine · 6
Build a stack with l-carnitine
Add the other ingredients you want and find the fewest bottles that cover them.
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