L Lysine Gluten Free Society SOURCE NATURALS L LYSINE TAB 1000MG 100T Williams Natural Foods 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 Optimal Timing for L Lysine Supplementation 1. On an Empty Stomach (Best for Absorption) When: 3060 minutes before meals or 2 hours after eating Why: Amino acids like L Lysine are absorbed L Lysine HCl (Amino Acid) Biotics Research