Optimum Nutrition L-Carnitine - 500 mg - 60 Tabs

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Benefits and Results:

  • 500 mg of Pure L-Carnitine†
  • Single-Tablet Serving Size†
  • Provides Essential Calcium and Phosphorous†
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L-Carnitine By Optimum Nutrition - 60 Tabs - 500 mg - Amino Acids

Optimum Nutrition L-Carnitine 500 is the ultimate weight loss and performance formula. It contains 500 mg of pure L-Carnitine in each serving to aid in muscle recovery and aid in fat loss.

What Is It?

L-Carnitine is a unique amino acid. It has been known to aid in fat loss, due to its ability to transport fatty acids into cells to be used as energy.† It can essentially convert your fat into fuel. Not only will you experience some weight loss, you'll also see an improvement in your endurance and performance.

How Does It Work?


  • L-Carnitine Tartrate (500mg): Can aid in fat loss by transporting fatty acids to be burned as energy. It can also enhance exercise performance and aid in muscle recovery. †

Who Should Take It?

This is great for those looking for a little help in their weight loss journey. †

Who Shouldn't Take It?

It is best to consult with your physician before use if you are pregnant, nursing, or taking medication.

Featured Customer Reviews:

Review by Mike:

Great - Great product. Good price and good quality.


Can I take this on an empty stomach?

  • Yes you can. It is not necessary to consume food with this product.

Will this show up on a drug test?

  • It doesn’t contain any stimulants or prohormones, so it should not create any false positives. It is best to check with your physician or sports organization if you have any concerns. †

Can I take this before bed?

  • This product doesn’t contain any caffeine, so it should not affect your sleep at all.

Can women take this?

  • Yes, this product can be taken by anyone.

Comparable Products:


This can be stacked with Optimum Nutrition CLA for additional weight loss results. Both are stimulant-free, so if you are sensitive to stimulants, then this is ideal for you.

How Do I Take It?

Directions and Dosages:

Consume 1 tablet twice daily before meals.

Suggested Use: Intended for use in healthy adults and as part of a healthy, balanced diet and exercise program.

What's In Optimum Nutrition L-Carnitine?

Supplement Facts / Label:

Optimum Nutrition L-Carnitine Supplement Facts

Warnings and Side Effects:

Consult your physician before using this product if you are taking any medications or are under a physician's care for a medical condition. Not for use by those under the age of 18, or women that are pregnant, trying to get pregnant, or nursing.


PLEASE NOTE: Product images represent the product offered but may not contain exact attributes. Please read the product description for the specific attributes of this product.

†PLEASE NOTE: The intention of the information above is for reference only. It is our goal to maintain and display accurate information. Yet, we can't guarantee it represents the latest formulation of the product. If you have any concerns, please visit the manufacturer's website. The information above is not a representation of our views at Same Day Supplements. These are the views and information provided by the product's manufacturer. The Food and Drug Administration has not evaluated these statements. The intention of this product is not to diagnose, treat, cure or prevent any disease or illness.

*Prices are subject to change at any time and items may limit to stock on hand.


  • Roger Fielding, Linda Riede, James P. Lugo, and Aouatef Bellamine (2018 Mar 13) l-Carnitine Supplementation in Recovery after Exercise https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5872767/
  • Majid S. Koozehchian, Amin Daneshfar, Ebrahim Fallah, Hamid Agha-Alinejad, Mohammad Samadi, Mojtaba Kaviani, Maryam Kaveh B, Y. Peter Jung, Mozhgan Hassanzadeh Sablouei, Najmeh Moradi, Conrad P. Earnest, T. Jeff Chandler, and Richard B. Kreider (2018 Dec 31) Effects of nine weeks L-Carnitine supplementation on exercise performance, anaerobic power, and exercise-induced oxidative stress in resistance-trained males https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6343764/
  • Kent Sahlin (2011 Apr 1) Boosting fat burning with carnitine: an old friend comes out from the shadow https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3099008/
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More Information
SKU ON-0316
Weight 0.2000
UPC 748927021912
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Customer Reviews
  1. Good quality
    Overall Product Review
    I always take good quality for myself. Not only l carnitine but also other products of this company. Recommend.

    Review by Thomas

    Posted on

  2. Great
    Overall Product Review
    Great product. Good price and good quality.

    Review by Mike

    Posted on

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