Pure Instantised Leucine from Bodybuilding Warehouse is a high quality 100% instantised Leucine supplement, manufactured in our own state of the art facility. We only use 100% instantised Leucine to ensure our Leucine is the most easily mixable, and highest quality on the market. Simply put, Bodybuilding Warehouse Instantised Pure Leucine is the highest quality, and best Leucine on the market. Key Facts: 100% Instantised Leucine - Much Better Mixability Than Standard Leucine Fantastic Added to Any Pre or Intra-Workout Supplement What is Leucine? Leucine is a Branch Chain Amino Acid (one of the 3, along with Isoleucine and Valine). How much should I take? We recommend 3 grams in your post workout protein shake. You can also include 3 grams in your intra-workout shake. At Bodybuilding Warehouse we pride ourselves on quality. Our Pure Leucine has been produced in-house in our own custom built factory, using ingredients from approved, audited suppliers who meet our strict quality assurance standards, and work within our principles.