Whey Protein Isolate is the purest, fastest-digesting form of protein. Low to no sugars or carbs, high protein count. Perfect for muscle growth and weight loss.
Most Isolates formula have lower calories per serving, lower fats, carbohydrates & sugar which is good for those who are on diet or competing as those few grams lesser may give you better results in your physique. Some even have 0g of fats, carbs & sugar such as MusclePharm Combat 100% Isolate.