Soy Protein Isolate has the protein content of soybeans. It is a high calibre protein (GMO free) having a biological value of 74, and contains all of the essential amino acids and is a good source of iron, potassium, and calcium. Studies have shown that including soy in the diet may lower certain disease risks, in particular those diseases known as the diseases of affluence. SPI90 is also excellent for replacement of dairy proteins when a dairy sensitivity is present. Available in 500g & 1kg.