MuscleBlaze Whey Protein upto 30% Off. Raw Whey Isolate delivers whey in its most natural and pure form, which is free from any additive, preservative, flavor, sweetener or any other external ingredient. MB Raw Whey Isolate is a 90% Isolate product which helps in building lean muscles. Raw Whey Isolate is an unflavored product and thus might not taste great but has the greatest flavor flexibility. It can be used with any flavoring or in any shake being prepared as per the taste profile of the users.