L Carnitine Linus Pauling Institute Oregon State University Multi Collagen Advanced Lean (30 Servings) Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get Instead of relying on ADHD medications, here are some natural alternatives. Diet: Avoid sugary foods and artificial dyes & preservatives Eat foods containing L tyrosine (this is the amino acid