Whey Concentrate Versus Whey Isolate

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Whey Concentrate Versus Whey Isolate

I see trainers and online celebrities recommending their clients use Whey Protein Isolate all of the time due to it being “more pure” and “cleaner” than its Whey Protein Concentrate counterpart. It makes sense... greater filtration results in higher amounts of protein with less residual fat and carbs, which ultimately equals more gains… right? Wrong!

In this article, I will address why in actual fact this is the exact opposite to what is often thought to be true.

Related Article: The Top 5 Muscle Gain Foods

Related Article: Amino Spiking | What's Really In Your Protein Powder?

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Whey Protein Concentrate Excels in the PURE Category

Pure has a few definitions; one of which is “unmodified by an admixture; simple or homogeneous.”

In this context, the less filtration the better. We will use my MTS Nutrition Machine Whey Protein as an example here, which is a Cold Filtered Whey Protein Concentrate and Isolate blend. The Cold Filtration Process leaves us with 80%+ Whey Protein, whereas Isolate will leave us with 90%+ Whey Protein. The reason I use any isolate at all is simply to keep the fat and carb count down. When you over-process Whey, especially using Ion-Exchange, you denature the Whey of its immune properties. Ion-Exchange is a method of isolating Whey from milk using ion-exchange resins, charge affinity and mild pH adjustments. Ion-Exchange resins are polymers which exchange specific ions within the polymer with ions in a solution that pass through the resin.  To put it simply, the pH is altered to separate the carbs and fats from the protein. Ion-Exchange almost completely eliminates kappa-caseino glycomacropeptide (GMP), which enhances the immune system and protects us against toxins, bacteria, and viruses.

“Pure” means that you mess with it as little as possible, right? Cold Filtration is a method of isolating Whey from dairy based on molecular weight, size, and permeation properties in a cold processing environment - it is cold to avoid altering the Whey molecule at all. That’s it. Basically, this method separates particles based on weight. Seems more “pure” than the isolate alternative...

To take it even further, the only difference in macronutrient content between Whey Protein Isolate and high grade Whey Protein Concentrate, is a small amount of residual carbs and fat. But the fact that Whey Protein Concentrate leaves a lot of the immune properties of the Whey in tact leads me to argue that this property outweighs the small amount of other macronutrients. To be fair, let’s compare my two products, Machine ISO (Pure Isolate) and Machine Whey (Concentrate and Isolate blend):

Machine Whey (Per Serve)
Protein: 25g
Carbs: 3g
Fat: 2g

Machine Iso (Per Serve)
Protein: 25g
Carbs: 2g
Fat: 1g

When Is Isolate Better?

  • Isolate is better if you’re lactose intolerant. If you are sensative to lactose, but not completely intolerant, taking a gut health supplement like Machine Uptake WITH your Whey Protein Concentrate shake can eliminate all issues.
  • Isolate may be best if you are on a severe cut (such as during a contest prep). As you can see however, the difference in carbs and fats per serve is minimal, especially when considering your total macronutrient intake throughout the day.

What About SPEED?

We always hear about the good bros touting the speed of Isolate over Concentrate. The bottom line is, since they’re both Whey in powder form, absorption will be similar when taken on a completely empty stomach (foods such as Peanut Butter for fats or Oatmeal for carbs will slow the absorption rate either way).

What About Cholesterol?

The cholesterol in Whey is naturally occurring and the emerging scientific consensus is that dietary cholesterol (cholesterol found in food items we consume) will not lead to overall cholesterol increases in healthy individuals. It actually works to support healthy hormone production, particularly Testosterone, which is created from dietary cholesterol.

Benefits of a Whey Blend like Machine Whey Over ANY OTHER PROTEIN SOURCE:

  • Higher biological value than any other protein powder, period. Including Casein, Soy and Beef.
  • Amazing taste: Whey Protein Concentrate is much easier to flavour than other protein powders.
  • It is considered more natural and remains in tact, which helps deliver immunity benefits.
  • Ideal digestion speed: Whey is fast on its own but if you want to slow it down, add a fat source to it or some fiber
  • With Machine Whey, you get what you pay for; it is completely amino spike free! Check out this report for more information and to learn more about Amino Spiking Click Here.


There you go. Don’t fall for the marketing jibberish and sales tactics. Whey is a superior protein source and Whey Protein Concentrate is not only less expensive that Isolate (Machine Whey is only $99.95 in Australia), but it delivers more benefits than any other protein powder, period.

If it's gains you're after, go with a Whey Protein Concentrate blend, like that used in MTS Nutrition Machine Whey today!

Written by Marc Lobliner

Related Article: The Top 5 Muscle Gain Foods

Related Article: Amino Spiking | What's Really In Your Protein Powder?

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