High End Nutrition Superior Whey Pistache Powder contains 5.8 grams of BCAAs and 5.5 grams of Glutamine per serving. Superior Whey is a protein supplement that will help you get results. The raw material used is characterized by a high degree of purity. The innovative production technology and the extensive knowledge combined with many years of experience allowed the creation of a high-quality protein supplement reaching high protein percentages.