Whey protein is derived from milk and is the by-product of the cheese making process. Whey protein is widely used by people who need more protein in their diet. This includes, athletes, bodybuilders, people who work out regularly and people who wish to lose weight. Whey protein is generally viewed as the most nutritious protein supplement available.
Features
Whey protein is a complete protein and contains the eight essential amino acid that the body cannot produce endogenously. It is also a rich source of the branch chain amino acids, leucine, isoleucine, and valine, which are used extensively by the muscles during exercise and also help accelerate recovery.
Considerations
There are two different types of whey protein: whey protein concentrate and whey protein isolate. Whey protein concentrate contains lactose, fat and some carbohydrates.The level of protein can vary between 30 and 90 percent. Further filtration and purification removes most remaining fat, lactose and carbohydrates, producing whey protein isolate, which is over 90 percent protein. Whey protein blends contain a mix of whey protein concentrate and whey protein isolates
Benefits
Whey protein is rapidly absorbed by the body and is readily available to your muscles and other tissues. Whey protein isolate contains little or no lactose so it can be safely used by people who are lactose intolerant. Whey is also a suitable form of protein for vegetarians who include dairy products in their diet.
Bioavailability Value
Bioavailability value or BV measures the efficiency of a protein and how quickly and readily it is absorbed and used by the body. Whey protein isolate has a bioavailability value of over 100. According to Muscleandstrength.com, the BV of whey protein isolate can be 30 to 60 percent higher than whey protein concentrate.
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