Mitochondria function & Energy I L Carnitine I Life Extension Amazon.com: Swanson Propionyl L Carnitine with Glycine Natural Supplement Promoting Heart Health & Energy Support May Support Muscle Strength & Endurance (60 Veggie Capsules) : Health & Household Neuroprotective effects of L carnitine towards oxidative stress and inflammatory processes: a review of its importance as a therapeutic drug in some disorders Metabolic Brain Disease Springer Nature Link Amazon.com: Pure Encapsulations L Carnitine Hypoallergenic Supplement for Cardiovascular and Endurance Support 120 Capsules : Health & Household RECOVERY AMINOS!!!!!!!! So typically I would drink this starting right before my workout and during the whole session, something's I have taken notice of, I can train longer and harder, definitely hydrates