Whey Protein Isolate and Whey Protein Concentrate

So What's The Big Difference Between Whey Protein Isolate and Concentrate?

Most of the whey protein powders you find will contain mostly whey protein concentrate with some whey protein isolate mixed in. You'll also find a lot of pure whey protein concentrate, and some whey protein isolate. Comparing the two, whey protein isolate is more expensive than concentrate - because it's of higher quality(more pure), and have a higher biological value (BV). Whey protein isolate contains more protein with less fat and lactose per serving. Usually, isolate contains 90-98% protein while whey concentrate contains 70-85%.

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Whey protein isolate is the highest yield of protein currently available, and it comes from milk. Because of its chemical properties, whey protein is the easiest to absorb into your muscles. Obviously, with its high concentration, whey protein isolate 'would' be the best to use, but like all great things, there's always a downside. It's more expensive, and just because it's more pure, doesn't mean it'll give you more muscle and size. Its extra concentration may not justify the extra costs for you.

Whey Protein Isolate Interesting Findings

On a positive note, studies have shown whey protein isolate to have immune boosting properties. Check this out, I bet you didn't know this:

"The results of the study demonstrate that hydrolyzed whey protein isolate can significantly increase glutathione levels within the prostate epithelium. This represents a potential mechanism by which whey protein isolate can provide protection against the development of prostate cancer." - Dept. of Food Science & Technology, Ohio State Univ.

To Use Whey Protein Concentrate or Whey Isolate?

In my opinion, I don't think its worth the extra bucks to use pure whey protein isolate. Using whey protein concentrate with isolate blended delivers just as good results with less costs. You'll also hear from other bodybuilders that they don't notice whey protein isolate giving them any noticeable amount of gains over whey concentrate, so I say go for the less pricey blend of the two. Click here to read our comparison article on protein powders.

Note: if you're lactose intolerant, whey protein isolate maybe a better chioce since it contains less lactose.

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