Sugar-free and Lactose-free Raw Whey Isolate Supplements Whey protein is derived by processing milk through a fat and protein separation technology. Since raw whey is obtained without heating the milk, it keeps the amino acids intact. Therefore, raw whey helps in faster muscle development. Nevertheless, it also improves various hormonal functions to keep your body fit and energetic. Raw whey isolate comes with lactose and fat. Therefore, it is an ideal supplement for lactose-intolerant people. Find some of the best whey isolate products at our HealthXP online store. We feature products that come from eminent domestic and international brands.