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What does it look like?

  • Carnitine is generally found in powdered form, which may be encapsulated to better enable ingestion of specific doses.
    • The most common variant used for athletes is L-carnitine L-tartrate.
    • There are also liquid forms of L-carnitine on the market, however this form of carnitine has generally not been researched and rarely achieves carnitine doses used in research studies.
    • Other forms of carnitine, such as acetyl-l-carnitine and propionyl-l-carnitine have been used in clinical settings only.

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