![]() ![]() Glutamine, for example, may help prevent fatigue in athletes. “Soy has different amino acid ratios than whey, including greater levels of glutamine and arginine,” says Tom Burrows, director of strategic marketing, ADM Soy Proteins (ADM Decatur, IL). Plant proteins boast other amino acids as well. Axiom offers Oryzatein brown rice protein, Veg-O-Tein P yellow pea protein, and Incatein Sacha Inchi protein. ![]() These percentages are comparable to dairy protein casein, which is typically 20% BCAAs, she adds. Leucine is linked to increased muscle protein synthesis when consumed as part of a resistance-training program 4, Helwig says.īrown rice protein and pea protein comprise about 19% and 18% BCAAs, respectively, Axiom’s Blandon says. Where dairy proteins are considered “complete” because they contain all nine essential amino acids, most plant proteins (including beans and peas, seeds, nuts, vegetables, and grains) are considered “incomplete”-and even plant proteins that are considered complete still have lower BCAA levels compared to dairy, he says.ĭairy, and whey especially, is high in leucine compared to other proteins. How do BCAAs compare in different protein sources-specifically dairy and plant?īCAAs are very high in dairy protein compared to other protein sources 2,3, says Bryan Helwig, PhD, director of nutrition research for the Dairy Research Institute (Rosemont, IL). BCAAs play a key role in muscle recovery/synthesis and sports performance. “BCAAs play a special role in muscles because they can be metabolized within the muscles-rather than in the liver, where all other aminos are metabolized-and be used for energy,” says Scarlett Blandon, registered dietitian for Axiom Foods (Los Angeles). Protein is rich in essential amino acids-particularly, the branched chain amino acids (BCAAs) leucine, isoleucine, and valine, which are highly concentrated in muscle tissue. Ahead is a quick rundown, including what the latest studies say. ![]() (Shoreview, MN).Ī formulator has many protein options these days. “High-protein intake is trending with most consumers,” says Scott Steil, president of Nutra Bridge Corp. Protein, sports nutrition’s heavy hitter, continues to win, with double-digit sales gains and an outflux of high-protein product claims. ![]()
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