P-glycoprotein: data reporting interactions not available
The bioavailability of L-Carnitine from food in individuals adapted to low carnitine diets (i.e., vegetarians) is higher (66%-86%) than in those adapted to high carnitine diets (i.e., regular red meat eaters
Wharton S, Blevins T, Connery L, Rosenstock J, Raha S, Liu R, Ma X, Mather KJ, Haupt A, Robins D, et al
Helps refine skin texture and supports the moisture barrier
Atypical symptoms include isolated vertigo, blindness in both eyes, amnesia, agnosia, dysarthria, dysphagia, stridor, headache, hemiplegia, confusion, and changes in consciousness (77)
The doses used in neurological models in animals fall within the same general range as musculoskeletal studies, suggesting that a standard subcutaneous protocol at 250 to 500 micrograms per day would be the appropriate starting framework