L-carnitine, often referred to as an amino acid, is technically a "vitamin-like" and "amino-acid-like" compound related to B vitamins
Analysis of adverse effects (OR = 0.03, 95% CI: 0.030.09) revealed comparable safety profiles, with reported events primarily consisting of gastrointestinal symptoms (abdominal pain, nausea, reflux, diarrhea, constipation, flatulence, and indigestion), neurological effects (headache and daytime drowsiness), and occasional hypersensitivity reactions or cold sores
Ngoi ch nh chnh ny, n thng c s dng c ch sn xut melanin, gip lm sng da v c cng nhn v c tnh chng oxy ha mnh gip chng lo ha
No chronic toxicity studies have been published
These aren't repurposed drugs