bioavailability of oral l carnitine Kinetics, Pharmacokinetics, and Regulation l‐Carnitine and Acetyl‐l‐ Metabolism - REBOUCHE - 2004 - Annals of the New York Academy of Sciences PDF) Enhanced Bioavailability of L-Carnitine

Third-party testing certificates and proper cold-chain storage throughout distribution are quality indicators

B12therapy is not intended to diagnose, treat, or prevent any disease

Translation: it calms mast cells, dials down the inflammatory cascade in skin and gut, and reduces the kind of low-grade irritation that drives redness, flares, and that "my skin reacts to everything" pattern

Blinding methods were followed for the participants, dermatologist/physicians, and phototechnicians

Its not a cure-all, and its not a substitute for surgical repair or medical treatments for chronic conditions

Taking it without need exposes you to needless risks and is not legally or medically sanctioned