Whey Protein Isolate is manufactured in New Zealand by ion exchange and ultra filtration process. Ion exchange increases the protein content while reducing fat and lactose. Whey protein isolate is a soluble whey with excellent nutritional value. Ideally suited for health foods and nutritional drinks. Extensively used in bodybuilding supplements. Typical analysis: Protein 90g/100g Fat 0.6g/100g PH 6.7(5% at 20deg C) Whey protein isolate is more expensive than Protein Concentrate due to it\'\'s higher quality (more pure) and high biological value. The high amino acid content allows for easier absorbsion of the nutrients into the body. Often used in blended combinations with whey protein concentrate to increase the protein levels while keeping lactose and fat levels at a minimum.