L-Carnitine L-Tartrate Side Effects

L-Carnitine L-Tartrate is a nutritional supplement. It appears as a white powder can be used as a weight-loss and fat-burning supplement. Though it’s considered safe, some are convinced it has potentially dangerous health effects.

What Is L-Carnitine L-Tartrate?

L-Carnitine L-Tartrate is an amino acid that is naturally produced in the body. L-Carnitine L-Tartrate is a functional food additive that is used for protein supplementation. It can be used in health products, sports beverages, and infant food.

Possible Side Effects of L-Carnitine L-Tartrate

Although L-Carnitine L-Tartrate generally regarded as a very safe and effective supplement, there can be some minor side effects. The side effects may:

  • Gastrointestinal Tract System

    1. Diarrhea
    2. Nausea and vomiting
    3. Stomach upset
    4. Abdominal cramps
    5. Loss of appetite and weight

    Cardiovascular System

    1. Hypertension
    2. Arrhythmias
    3. Heartburn
    4. Chest pain or angina
    5. ECG (Electrocardiogram) irregularities
    6. Palpitations
    7. Vascular disorder

    Nervous System

    1. Seizures
    2. Hypertonia (stiff and difficult to move body parts due to excess muscle tone)
    3. Insomnia
    4. Paresthesia (burning or prickling sensations on fingers, hands, arms, feet, legs, and even other parts of the body)
    5. Vertigo

    Metabolic System

    1. Hypercalcemia – excess Calcium
    2. Hyperkalemia – excess Potassium
    3. Hypervolemia – excess fluid volume

GRAS Affirmation: Yes

Generally recognized as safe (GRAS) is an American Food and Drug Administration (FDA) designation that a chemical or substance added to food is considered safe by experts, and so is exempted from the usual Federal Food, Drug, and Cosmetic Act (FFDCA) food additive tolerance requirements. L-Carnitine L-Tartrate is considered safe.

Suggested Dosage


Special Populations Precaution

There is a lot of concern about diet and nutrition for these population, like Newborns, children, pregnant, sensitive to L-Carnitine L-Tartrate populations. Better consult to your doctor if you would like to intake L-Carnitine L-Tartrate.




Related Research

1. l-Carnitine l-tartrate supplementation favorably affects biochemical markers of recovery from physical exertion in middle-aged men and women. [Metabolism. 2010 Aug] Author: Ho JY, Kraemer WJ, Volek JS, Fragala MS, Thomas GA, Dunn-Lewis C, Coday M, Häkkinen K, Maresh CM.

2. Effects of L-carnitine L-tartrate supplementation on muscle oxygenation responses to resistance exercise. [J Strength Cond Res. 2008 Jul] Author: Spiering BA, Kraemer WJ, Hatfield DL, Vingren JL, Fragala MS, Ho JY, Thomas GA, Häkkinen K, Volek JS.

3. L-carnitine-L-tartrate promotes human hair growth in vitro. [Exp Dermatol. 2007 Nov] Author: Foitzik K, Hoting E, Förster T, Pertile P, Paus R.

4. Responses of criterion variables to different supplemental doses of L-carnitine L-tartrate. [J Strength Cond Res. 2007 Feb] Author: Spiering BA, Kraemer WJ, Vingren JL, Hatfield DL, Fragala MS, Ho JY, Maresh CM, Anderson JM, Volek JS.

5. L-Carnitine L-tartrate (LCLT) and dehydroepiandrosterone sulfate (DHEAS) affect red and white blood cells in aged Sprague-Dawley rats. [Arch Gerontol Geriatr. 2007 May-Jun] Author: Strasser A, Dedoyard A, Lohninger A, Niedermüller H.

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