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What is whey protein isolate and why do I need it?

Whey protein isolate is a by-product of milk when cheese is made. It is the watery portion of milk that separates from the curds when making cheese.



Fresh Milk ---->  Acidify and add coagulator  ---->  Curds will separate from the whey (liquid fraction) ---->  Remove watery fraction (whey) and dry  ---->  Whey protein powder


Whey protein isolate is a building block to help increase muscle strength and growth. Whey protein isolate is loaded with essential amino acids which your body does not produce. It includes glutamine, leucine, and cysteine (amino acids) that are great for repairing muscle tissue and maintaining muscle mass and improving endurance.

Whey protein isolate is one of the purest forms of protein. It contains no fat or lactose which makes it easier to digest.  Whey protein isolate has a very high nutritional value and is suitable for vegetarians.


Whey protein powder is not essential. There are many other ways you can feed your body protein and the essential amino acids through certain foods. Whey protein is just a supplement to help increase one’s protein intake. It is convenient and low in carbs and fat which is why a lot of people consume it.

Some main benefits of including whey protein in your diet are:

  • It is a complete, high-quality protein that includes all essential amino acids
  • Whey protein promotes muscle maintenance/growth when strength training
  • Whey protein can help moderate blood sugar levels
  • Whey protein is very satiating


In summary, whey protein isolate is a convenient way to increase your protein intake and may improve your overall health if consumed with a healthy diet.