California Gold Nutrition Sport Whey Protein Isolate features 27 grams of protein and 6.1 grams of Branched Chain Amino Acids (BCAAs) and 4.6 g of Glutamic Acid per serving. It contains low lactose and is manufactured by a multi-stage cold micro-filtration isolation process using state-of-the-art membrane technology. No rbST (From cows not supplemented with rbST. No significant difference has been shown between milk derived from rbST supplemented and non-rbST supplemented cows).