Zero Protein Isolate Pure 3.3 Lb by Bigman is a dietary supplement in the form of a whey protein isolate, specifically designed for athletes who want to maximize their protein intake without adding fats, carbohydrates, sugars, or aspartame to their diet. This product is ideal for calorie-controlled diets and meets high purity standards. Each serving provides a high concentration of essential amino acids like BCAA and natural glutamine, crucial for increasing and preserving muscle mass. It is recommended to mix one dose with cold water or skim milk preferably after training.