Amino Charged WPI is International Protein’s Whey Protein Isolate (WPI) product, and it is known by bodybuilders and high-performance athletes as an incredible alternative to whey protein concentrate (WPC) that can help to build lean muscle and improve muscle recovery. International Protein WPI has the highest protein (94% by dry weight basis), the lowest fat in a protein and less than 1% carbohydrates and sugars (lactose). WPI protein is fast digesting and high protein to make it the best post-workout supplement for your body. Plus, this product contains added aminos, making it perfect for those wanting a fast recovery after exercise.