Add some extra L-leucine to your diet with Leucine Pure from Body&Fit. A building block of protein and one of the three BCAAs, L-leucine is one of the best-recognised essential amino acids in sports nutrition. Leucine Pure provides you with 3g of L-leucine powder per serving. Take before or after exercise or anytime during the day - Leucine Pure is easy-to-use on its own or mix with your favourite protein shake, drink or foods. Add some extra L-leucine to your diet with Leucine Pure from Body&Fit. A building block of protein and one of the three BCAAs, L-leucine is one of the best-recognised essential amino acids in sports nutrition. Leucine Pure provides you with 3g of L-leucine powder per serving. Take before or after exercise or anytime during the day - Leucine Pure is easy-to-use on its own or mix with your favourite protein shake, drink or foods. 100% leucine powder. 3g of L-leucine per serve. One of three branched chain amino acids (BCAAs). Versatile to use in your preferred protein shake, drink or foods. Available in 300g pouch Amino acids are the building blocks of protein - nine are essential and need to be consumed as part of our daily diet. Eleven others are non-essential which means they are made within the body, but may need topping up from time-to-time. Consuming 3g of leucine is equivalent to the amount that naturally occurs in 20-25g of whey protein. Ideal for athletes and bodybuilders, Leucine Pure is a 100% pure leucine powder that can be added to protein shakes. Read more.