Whey
Protein Isolate Vs. 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%.
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?
So when all's said and done, should you
use whey protein isolate, or concentrate? On the plus side,
whey protein isolate is more pure, but it also costs more.
Most protein powders you find will have mostly whey protein
concentrate with some isolate blended in.
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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