Whey Protein Isolate – Source of Purest Protein

Whey protein is one of the excellent sources of protein. This nutritional supplement is extracted from cow milk. It is the purest form of protein containing minimal fat, cholesterol and lactose. It consists of globular proteins, which are obtained as by products during production of cheese. Whey protein isolate
Whey protein isolate is the best quality whey protein. It is the purest form of whey protein, containing up to 98 percent of protein. The rest of the whey protein isolate comprises of lactose, fat and cholesterol. This purest form of whey protein carries a higher price tag than whey protein supplements made of whey protein concentrate.

Unlike whey protein isolate, whey protein concentrates contain lesser amount of protein and more fat, cholesterol and lactose. Good quality whey protein concentrates could contain about 80 to 85 percent protein. Standard whey protein supplements are usually a mixture of whey protein isolate and whey protein concentrate. Higher the price of the whey protein supplement, greater should be the amount of whey protein isolate in the product.

Benefits of whey protein isolate
Despite its higher price, whey protein isolate is better suited for your health. Your muscles could easily absorb the protein present in whey protein isolate. It is perhaps the best source of essential amino acids. You can include this nutritional supplement in your regular diet. Whey protein isolate is even safe for people suffering from lactose intolerance.

Fitness and bodybuilding
Whey protein isolate could give you all the essential amino acids needed for healthy growth. This protein supplement could promote muscle growth. Whey protein isolate contains leucine, an essential amino acid, which is specifically associated with synthesis of muscle protein. You can increase the amount of lean muscles and reduce the amount of fats by increasing intake of this essential amino acid. Researchers have found the whey protein isolate contains 50 percent more leucine than other popular protein sources such as soy protein concentrate.

Boosts immunity
Whey protein isolate could strengthen your immune system. It stimulates synthesis of glutathione, an antioxidant associated with healthy immune function. In a study, researchers at the Ohio State University found that whey protein isolate could prevent prostate cancer.

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