✔ Contains soya isoflavones ✔ Quality Assured; high quality and rigorously tested Pure Soya Protein Isolate Powder Chocolate flavour is an excellent source of protein for vegetarians that is derived from soya beans. It's high in protein and is ideal before and after a gym session; Soya Protein Isolate boasts a comprehensive amino acid profile. 24g protein per 31g serving; protein contributes to the maintenance of and growth in muscle mass, as well as the maintenance of normal bones. Soya Protein Isolate also naturally provides the isoflavones Genistein and Daidzein, alongside a combination of vitamins, minerals and amino acids.