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    L-carnitine

    Molecular Formula：C7H15NO3；CAS：541‑15‑1
    Basic Property: L‑carnitine is an endogenous nutrient widely used as dietary supplement and metabolic research reagent.
    Structural Modification: Natural chiral molecule with quaternary ammonium structure that mediates fatty‑acid transmembrane transport in vivo.
    Dosage Forms: Oral powder, oral liquid and injection‑grade powder for research and supplement production.
    Indications: Dietary adjuvant for exercise‑assisted fat loss and carnitine deficiency supplementation.
    Pharmacological Mechanism: Shuttles long‑chain fatty acids across the mitochondrial inner membrane to complete oxidative decomposition and energy production during aerobic exercise.
    Safety & Adverse Reactions: High oral doses may cause transient diarrhea and fishy body odor; long‑term moderate supplementation has negligible organ toxicity.

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