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 Liquid L Carnitine 1500, Blue Raspberry, 16 oz (473 ml) LeanShots Liquid L Carnitine Shot (3000mg) NutraBio Brands LeanShots Liquid L Carnitine Shot (3000mg) NutraBio Brands L Carnitine for Cutting vs Bulking: How It Works in Both Phases