Isopreme Bioactive Whey is produced exclusively through a new and innovative technology, ColdPure Ultrafiltration. Coldpure Ultrafiltration isolates the native whey protein in a highly bioactive form using using an advanced low temperature Ultrafiltration process. Coldpure Ultrafiltration produces a superior Bioactive Whey that is non-denatured and contains the highest content of essential amino acids (EAA) and branched chain amino acids.