Bulk Leucine powder is an essential amino acid supplement. It is a Branched Chain Amino Acid (BCAA) supplement. Ideal for use pre/intra/post workout. Can be used in combination with BCAAs, Beta Alanine, fast release carbohydrates, Glutamine, Creatine and Protein. Available in 100g, 500g and 1kg pouches. Ingredients: 100% L Leucine. Suitable for Vegetarians, Gluten Free, Non-GM, Dairy Free, Lactose Free, Soya Free.