Are whey protein isolates bad?Updated 2 years ago

Please see the following article on our blog extolling the numerous health benefits (as well as covering potential concerns) associated with whey protein: Is Whey Protein Good for You?

For quite some time, whey protein isolates had been known as the holy grail of protein supplements. However, there is a growing contingent of people who argue that whey isolates are not the be-all, end-all proteins that they were once thought to be.

Specifically, there is concern over a few things as it relates to whey isolate: digestion and absorption time; the insulinemic response; processing methods; nutritive co-factors; and the lack of alkalizing minerals. 

First, it's important to delineate that BioTrust Low Carb is a true time-released protein blend—not a whey protein isolate standalone supplement. This is extremely important to understand because whey isolates do have outstanding properties relative to muscle recovery and building. Whey isolate is the purest and "anabolic" (muscle-feeding) of all proteins, giving it the highest biological value of any protein. Its inclusion in a blend is extremely important. But, as a standalone protein source, it's not as great as once thought, and that's why we also include equal amounts of whey protein concentrate, milk protein concentrate, and micellar casein because too much of a good thing may not be so good after all. 

Second, whey protein isolate has a very rapid digestion timeframe, therefore limiting absorption abilities. As a matter of fact, most whey protein isolate formulas are a waste of money and nutrition because you simply can't digest that much at one time. However, we nip this problem in the bud by using less whey protein overall and including a powerful enzyme blend called Prohydrolase. BioTrust Low Carb is the first and only protein supplement to use Prohydrolase, which has been shown to literally double the amount of whey protein that's delivered to muscles. You can fully take advantage of the benefits of the whey proteins in Low Carb. 

There is research that indicates that the insulin response to whey protein isolate standalone supplements is greater than that of white bread! That's not a good thing for many people outside of the post-workout period. Our Low Carb addresses that problem with the inclusion of the medium- and slow-digesting proteins milk protein concentrate and micellar casein. These proteins don't get into the bloodstream as quickly, which not only means you don't have to worry about that huge insulin spike but that you can also count on sustained nutrition—and satiety—for upwards of six hours. Further, Low Carb includes the all-natural fiber Inulin, which will further slow down digestion time and help with a more stable level of insulin. 

Typically, whey protein isolates are processed using high-heat acidifying methods. These methods make for putrid proteins that are no longer in their natural biological state and further inhibit digestion and absorption. We only use cold-temperature natural microfiltration techniques that leave all of our proteins in the natural, most biologically active states—whey protein isolate included—to ensure the highest quality and deliverability possible. 

The other potential limitations of whey protein isolates—lack of nutritive co-factors and alkalizing minerals— are solved by the addition of whey protein concentrate, milk protein concentrate, and micellar casein. The end result: the most effective, most biologically available protein supplement available on the market. Low Carb takes into account that whey protein isolates do, in fact, have significant benefits but that they must be processed properly and accompanied by a well-rounded cast of proteins and ingredients to optimize their nutritive qualities.

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