L-Carnitine 250 mg


L-Carnitine 250 mg by Douglas Laboratories supplies pure, natural carnitine in capsule form.

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L-Carnitine 250 mg

L-Carnitine 250 mg by Douglas Laboratories supplies pure, natural carnitine in capsule form.


L-carnitine is necessary for fatty acid metabolism and energy production in cardiac and skeletal muscle. It is involved in fatty acid oxidation as part of the carnitine shuttle. L-carnitine shuttles fatty acids from the cytosol (the cell fluid) into the mitochondria (the cell’s powerhouses) for oxidation and energy production. L-carnitine is necessary in muscle whenever fat is utilized as an energy source.

Heart muscle always uses fat for its continuous energy demands. Skeletal muscle begins using fat only after its glycogen reserves are exhausted. This happens after about one hour of continuous, strenuous exercise, e.g., long-distance running, bicycling, swimming, or mountain climbing. Widely distributed in foods from animal, but not plant sources.


L-carnitine 250 mg may be a useful nutritional adjunct for individuals who wish to support heart muscle function or skeletal muscle performance.


Each capsule contains:

  • L-Carnitine – 250 mg

Suggested Use

As a dietary supplement, adults take 1 capsule per day or as directed by one of our health coach professionals.

It is recommended that L-carnitine be taken with meals. Capsules may be pulled apart and the powder mixed with food or liquids if desired.

Side Effects

No adverse side effects have been reported.


Store in a cool, dry place, away from direct light. Keep out of reach of children. L-carnitine readily takes on moisture from the air. After opening the bottle, replace the lid immediately, and keep the bottle tightly closed as much as possible.


Douglas Laboratories

Douglas Laboratories® researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements, and provides customized practice support. With a 60-year heritage of innovating and designing products to meet the needs of healthcare professionals, we push the potential of both clinical practices and patients to continually perform at their personal best, today and in the future.
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100 capsules, 60 capsules


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