Nutricost Whey Protein Isolate offers a low, affordable price. Each serving of Nutricost Whey Protein Isolate contains 30 grams of protein. Some people wonder if they can consume whey protein if they are lactose intolerant. Whey protein is a by-product of the cheese making process and isolate is heavily filtered. Whey protein isolate contains less than 1% lactose. This means pure whey protein isolate contains little to no lactose, and you might be able to consume it even if you are lactose sensitive or lactose intolerant. However it is still possible for some people to experience discomfort.