Soy Protein Isolate Vs Whey Protein, which is better?

In reality, they both offer significant results, but we’d recommend Soy protein over Whey protein. When comparing the two, Soy protein not only provides the perfect alternative for vegan, vegetarian or lactose intolerant but it also shows the highest amount of absorption in amino acids. Another great advantage is the cost difference. Soy protein is comparatively much cheaper than Whey protein suppleme


Below is a detailed analysis of the comparison to help you choose better.

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What is Whey Protein?

Whey and casein are two types of protein found in cow’s milk. The process by which milk is turned into cheese leaves whey protein as a byproduct. This whey concentrate is further processed and flavored to reach shelves in your market as whey protein isolate.

Know More About: What is Whey Protein

Benefits Of Whey Protein

While whey protein has several benefits, these are the most important ones.

  • It digests very quickly
  • It is the purest source of protein
  • It contains a rich amino acid profile
  • Whey aids muscle growth, recovery and also helps loose fat

Learn: Benefits of whey protein 

What Is Soy Protein?

Manufactures grind soybeans into a meal which contains no hulls or fat. This meal is then processed to get soy protein isolate which contains 90-95% protein. It is a plant based source of protein that is best for vegans, vegetarians and those looking for non-animal sourced protein.

You Might Also Like: Whey Protein Alternatives

Benefits Of Soy Protein

Here are some of the most attractive reasons to use soy protein.

  • It contains all nine essential amino acids
  • Has high amount of glutamine and arginine
  • Has essential fatty acids, fibers and vitamins
  • There is very little fat and cholesterol in soy protein
  • Soy protein is environment friendly to produce

Soy Protein Vs Whey Protein: How To Choose?

  • Taste And Texture – Whey protein is smother with a hint of nutty taste. Soy protein is grainier and has a strong nutty taste. Personal preferences prevail.
  • Amino Acid Profile – While both whey and soy protein contain nine essential amino acids, they differ in other amino acids. Whey protein has higher leucine, isoleucine, methionine, and lysine content in it. Soy protein is higher than whey protein in arginine, phenylalanine, and tryptophan.
  • Dietary Considerations – Lactose intolerant people cannot consume whey protein. Soy protein has no lactose and is ideal for such people.
  • Other Nutrients – Protein is not the only consideration one must make when deciding between whey and soy protein. Each have various other nutrients that must be taken into consideration. Hence, it is important to look closely at the nutrition profile before making a decision.

The Final Scoop

The decision between whey and soy protein essentially boils down to personal preference. Both are rich in protein, which is the primary motivation when one buys either. Hence, consider all your options and choose the one you think will benefit you the most. When it comes to food, there is no “one size fits all” approach.

Know More About: Losing Weight With Whey Protein

Other Nutrition Supplement Products

  • Amway Nutrilite
  • Amway Protein Powder
  • Dymatize Super Mass Gainer 

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Weaving together scientific curiosity and extensive research to create meaningful content that provides relevant and engaging information applicable to the readers lives. A full-time bookworm and a part-time writer driven by passion, motivation & dedication!


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