Creatine vs L Carnitine: Benefits and Key Differences Wellversed Ingredient Spotlight: L Carnitine Source: Biosynthesised in the body from the amino acids Lysine and Methionine, L Carnitine is a conditionally essential nutrient involved in energy metabolism and fat transport. Key Benefits Losing weight with L carnitine supplements. Yes or no? NEW!!! Come check out our brand new range of SUP supplements, perfect for gym goers and sport enthusiasts. Creatine helps with muscle development, whilst L Carnitine helps with metabolism and both Propionyl L Carnitine and Viagra Together: What the Evidence Shows for Men Exploring Metabolic and Vascular Life Botanics Shred + Creatine 150g