Amino acids are used because they contain nitrogen and are less expensive than complete proteins such as whey protein, casein protein and egg protein. Bruno?s report notes that ?Although amino acids are the building blocks of protein, they do not have the same beneficial effects of whole protein.? because they are absorbed differently.
The report also quotes Tim Ziegenfuss, CEO of the Center for Applied Health Sciences as saying ?Arginine has approximately three times more nitrogen than whey protein, and creatine has approximately one and a half times more nitrogen at less than half the price. Spiking protein with these nutraceuticals is a cheap way to drive up the nitrogen level of a protein powder without adding more high-quality protein.?
Brands that may be guilty of protein spiking include: Body Fortress, ProSupps, MusclePharm Arnold series, 4 Dimension Nutrition, Designer Whey, Mutant Nutrition, Top Secret Nutrition, Gaspari Nutrition, Giant Sports Nutrition, Infinite Labs, and Beast Sports Nutrition.
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