Optimum Nutrition 100% Gold Standard Whey is the worlds best selling whey protein. It is a premier whey blend with Whey Protein Isolate.Whey Protein Isolate is rated as a 90+% pure protein. Protein plays an important role in the muscle growth and maintenance. Therefore increasing dietary protein intake may be of particular benefit to those following a muscle or strength training exercise plan.This delicious whey blend also contains amino acids. Amino acids play an important role as the building blocks of protein which support protein synthesis.For best results, Optimum Nutrition recommend consuming one serving of 100% Gold Standard Whey first thing in the morning and before and after your workout. Simply mix one rounded scoop with 6-8 oz (180-240ml) of your favourite beverage in your ON shaker and enjoy!Suitable for Vegetarians.