International Superior Whey Protein 5lb/10 lb is blended with (Whey Protein Concentrate, Whey Protein Isolated, Hydrolsed Whey Protein which are needed for natural mascular development. Superior Whey Protein are High in Branch Chain Amino Acids(BCAA S) which help facilitate muscle recovery after hard training or sport. Whey Protein Isolate highest protein, lowest fat, naturally high in bioactive peptides for muscle tissue synthesis. Whey Protein Concentrate natural immune fractions, anti-oxidants and growth factors. Whey Peptides ultra rapid absorption and enhanced muscle recovery.