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Article At A Glance:

  • Whey Protein Isolate is higher in protein and lower in carbohydrates and fats (especially lactose).
  • Delivers a higher protein content per serve.
  • WPI is rapidly absorbed compared to its plant counterpart.
  • WPI’s Higher protein means a better ability to control your macros

 

When you’re looking for a good whey protein powder, the two common types you’ll find are Whey Protein Concentrate (WPC) and Whey Protein Isolate (WPI).

Of course, there’s also a price difference between the two, with WPI often being significantly higher.

This begs the question, why the heck is Whey Protein Isolate (WPI) more expensive?

In this article, we’ll look to touch on the various points as to why WPI carries a higher price tag, and why spending those extra dollars is worth it.

 

Whey Protein Isolate Goes Through Difference Manufacturing Processes

One primary characteristic that increases the price of WPI is the additional filtration process is goes through.

This extra step isolates the whey from the carbohydrates and fats, making it lower in sugar, lactose, fat, and substantially higher in protein (Madureira et al., 2007).

Of course, this means more processing is required towards achieving this, which is the reason why whey protein isolate lands at a higher ticket price.

Learn more on Whey Protein: WPI vs WPC, What’s The Difference and Which is Better?

WPI is Higher in Protein

On top of the last point we mentioned, this often results in a product that is substantially higher in protein.

This means, although you may buy a Whey Protein Concentrate because of the cheaper price, Whey Protein Isolate yields higher protein per serve, still making it a great value.

Each serve of WPI also contains fewer carbohydrates, fats, and the lactose content is practically non-existent, making it perfect for individuals with lactose intolerance.

Read more about Whey Protein Isolate: Can You Drink Whey If You’re Lactose Intolerant?

 

Whey Protein Isolate is Rapidly Absorbed

Whey is considered a “fast-acting” protein, with literature showing its absorption rate at around 10g per hour (Schoenfeld & Aragon, 2018).

Of course, this rapid absorption could be achieved with a whey protein concentrate, but whey protein isolate delivers rapid absorption with more protein per serve.

This means, even though the price of WPC looks attractive, WPI is going to give you a higher serve of rapidly absorbed whey protein that’s going to keep you fuller for longer.

Not sure on how much protein to take daily? Read our How to Guide to Protein Supplementation.

 

WPI Allows Better Macro Control

Due to its extremely low carbohydrate and fat content and high protein per serve, WPI simply allows for better macro control.

Most budget whey protein powders often come with added fillers, sugars and extra calories that you may not need.

When you buy a clean WPI, such as Designer Physique Whey Protein Isolate, you get a quality protein powder that has the lowest calories possible, without all unnecessary artificial sweeteners or added sugars.

Keen to try some out? Pick up a Designer Physique Whey Protein Isolate Sampler Pack Today!


References

  • Madureira, A. R., Pereira, C. I., Gomes, A. M., Pintado, M. E., & Xavier Malcata, F. (2007). Bovine whey proteins – Overview on their main biological properties. Food Research International, 40(10), 1197-1211. https://doi.org/10.1016/j.foodres.2007.07.005
  • Schoenfeld, B. J., & Aragon, A. A. (2018). How much protein can the body use in a single meal for muscle-building? Implications for daily protein distribution. Journal of the International Society of Sports Nutrition, 15, 10. https://doi.org/10.1186/s12970-018-0215-1

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