When to take L carnitine: Dosage, forms, and side effects Drinking your wellness coffee at different times of the day can influence how your body processes its active ingredients, particularly those aimed at metabolism and sustained energy. Here is a breakdown of Which will give you a better buzz an energy drink or a strong coffee? And how do ingredients such as Taurine, L Carnitine, and BCAAs play into the mix?, On this episode of Sliced Bread, I Carnitine and Acetyl L Carnitine. Differences, functions and method of use