Tip: It Works Better on an Empty Stomach, L Carnitine absorbs better when insulin is lower., Thats why a lot of people take it: , First thing in the morning, Before movement How Long Should You Take L Carnitine for Weight Loss Results? L CARNITINE LIQUID 3000MG Why take L carnitine on an empty stomach? Because this way the body can absorb it better and help in fat loss @redonenutritions , #redone #supplement #lcarnitine #shot #fasting #fitness #bodybuilding When to take L carnitine: Dosage, forms, and side effects