Dymatize ISO 100 Hydrolyzed 100% Whey Protein Isolate is simply muscle-building fuel. Each serving contains 25 grams of protein and 5.5 grams of BCAAs including 2.7 grams of L-Leucine. Known worldwide for quality, taste and purity, ISO 100 is produced to the highest quality standards. ISO 100 is formulated using a cross flow micro-filtration, multi step purification process that preserves important muscle-building protein fractions while removing excess carbohydrates, fat, lactose and cholesterol. ISO-100 is made with pre-hydrolyzed protein sources to ensure fast digestion and absorption.