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woman weight lifterWhey Protein Isolate contains many of the same positives as Whey Protein Concentrate and a few drawbacks.  First, it is a higher concentration of the protein content yielding better than 90% protein by weight with the remaining 10% mostly moisture.  It typically contains little to no fat and zero lactose (milk sugar) which means it provides very little bloat or stomach discomfort.  Like all whey, whey protein isolate is a complete protein that is quickly digested and is good substitute for Whey Protein Concentrate for people that are lactose intolerant or those that do not want fat or carbohydrates in their protein.  Although it is far more expensive (almost three times the price of Whey Protein Concentrate) the cleaner feeling and lack of bloat makes whey isolate protein a better choice for the consumer that wants the cleanest protein.  Whey Protein Isolate only does have one drawback compared to Whey Protein Concentrate, the isolation method strips out the growth factors that are in the concentrate.  These growth factors have never been tested, so it’s not confirmed whether they make a difference to the bodybuilder. Be careful of Whey Protein Isolate products that are very inexpensive, since this ingredient is usually three times the cost.  Expect to pay 50-100% more for a pure Whey Protein Isolate product or you may be paying for a product that contains 95% Whey Protein Concentrate and a very small isolate content.