L carnitine biosynthesis. L carnitine can be partly provided by an Download Scientific Diagram Best time to take lysine l Carnitine Supplementation in Recovery after Exercise 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 Amino acids are a team , And they work better together than alone, Weve got options like Amino Acid Blend, L Arginine, L Carnitine, L Lysine, and L Glutaminebut the real magic happens when theyre