ISO 100 is simply muscle-building fuel. Each serving contains 25 grams of protein. 5g of BCAA's including 2.7g of l-leucine. Known worldwide for quality, taste, and purity, ISO 100 is produced to our highest quality standards. ISO 100 is formulated using a cross-flow microfiltration, 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.