Whey protein is the number one selling type of protein powder. Compared to other types of protein it mixes easily and has a clean taste. Its ease of use is matched by its functionality.
Whey protein is a complete protein, meaning that it contains ample amounts of all the essential amino acids. It is especially high in glutamine and the branched-chain amino acids. These amino acids have been shown to be especially important for muscle growth and recovery from intense training, which make whey one of the best fast muscle building supplements.
Whey protein is available in two basic forms, concentrate or isolate. Both forms of whey are derived from milk.
Whey protein concentrate (WPC) is the cheaper form of whey. It undergoes a filtering process to remove most of the fat, carbohydrates and other materials. What remains is a powder that is anywhere between 50-80% protein, depending on the quality of the source.
Whey protein isolate (WPI) is the more expensive form of whey. This is because it undergoes an extensive filtration process. It is the next step in filtration after WPC. The result is a powder that is virtually fat and carbohydrate free. WPI is typically at least 90% protein.
Each type of whey protein has distinct advantages.
WPC is cheaper, and can also contain some beneficial aspects beyond the protein, since some of the fat, carbs, and other substances remain due to a low level of filtration. However, if you are lactose-intolerant or just carefully watching your calories, it is not a good choice.
WPI is more expensive, but you also get more protein per gram of powder. It is also cleaner tasting and mixes more easily than WPC.
Make sure to take a look at the ingredients on your jar of protein powder. Not all whey is created equal. Many products will have a blend of WPC and WPI. One type is not better than the other, as both can be used successfully as fast muscle building supplements. But you should be aware of the positives and negatives of both types and know what you are consuming.
For the best results whey protein should be used in conjunction with a well-designed training and nutrition program.
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