Citrulline is one of the best ingredients in our supplement arsenal, but it’s possible that many people, even experienced bodybuilders, aren’t using it. Up until relatively recently, Arginine was considered king of the “muscle pump”, mainly because it plays a critical role in Nitric Oxide synthesis; the key molecule for the process of vasodilation. Vasodilation is the … [Read more...] about Citrulline – The Muscle Pump Ingredient That Works (feat. Glutathione and Beets)