- by The Fitness Cafe
- 3 Shares
- Aug 01 2017
Soy Protein(Myths revealed)
Myth 1: Soy protein is not a complete protein.Fact: Soy protein is a complete protein.Soy Protein, has the essential amino acid profile perfect for human growth, development and maintenance as recognized by the Food and Agriculture Organization of the United Nations (FAO)/World Health Organization (WHO) – the scientific agencies on human nutrition and health worldwide. Myth 2: Soy protein does not have the key amino acids needed for muscle building.Fact: Soy protein contains all of the key or essential amino acids for muscle building, plus two amino acids known to stimulate growth hormone release and enhance immune function – Arginine and Glutamine.Soy Protein Isolate contains almost three times as much Arginine and almost twice as much Glutamine and higher concentration of naturally occurring BCAAs than whey protein, casein or egg..Myth 3: Soy protein does not build muscle like whey.Fact: Soy protein is indeed a muscle-building protein.In fact, four clinical studies all demonstrate that soy protein is very effective in building lean muscle mass and got additional benefits of preserving two aspects of antioxidant function, indicating that soy protein can combat free radical formation during exercise, which may help speed muscle recovery after exercise. Myth 4: Soy protein is an inferior protein because its Protein Efficiency Ratio (PER) or Biological Value (BV) values are not as high as in whey.Fact: Soy protein is a high-quality protein comparable to whey protein, egg or beef protein.PER, BV and even NPU (Net Protein Utilization) are older measures of determining protein quality for humans. Alternatively, PDCAAS (Protein Digestibility Corrected Amino Acid Score) is the method recognized and implemented globally by regulatory agencies and health organizations, including the U.S. Food and Drug Administration (FDA) and the FAO/WHO, to determine protein quality of foods for human consumption. Isolated soy protein achieves a PDCAAS of 1.00, which is the highest & best in the ranking. Myth 5: Soy protein will lower my testosterone and increase estrogen.Fact: Soy protein does not affect either testosterone or estrogen concentrations.There is no scientific evidence that the consumption of soy protein to an altered testosterone level in men.In addition, data from Asian males who tend to consume high levels of soy have normal hormone levels and excellent fertility rates. Myth 6: Soy protein has feminine hormones that cause estrogenic effects.Fact: Soy protein does not contain estrogen or any other hormone nor does consuming soy protein have feminizing effects.When soy protein is consumed as the sole dietary protein source, and there is absolutely no sound and consistent scientific evidence in human subjects indicating that hormonal balance, body mass changes, or fertility are negatively altered by soy consumption. Myth 7: Soy protein is a woman’s protein.Fact: Research indicates that soy protein have several health benefits for men.Numerous studies reveal that eating a diet rich in soy protein has several heart health benefits. The significant body of evidence led the Food and Drug Administration to approve a heart health claim around soy protein in 1999. Additional studies link soy protein consumption to a reduced risk of prostate cancer. In fact, a meta-analysis of these studies indicate consumption of soy protein containing foods may reduce the risk of prostate cancer by 26%. Myth 8: Soy protein does not have the muscle recovery power as of whey.Fact: Soy protein contains natural bioactives that provide stronger recovery benefits compared to whey protein .Scientific evidence indicates that Soy protein produce stronger antioxidant effects than whey protein, which results in faster recovery.. Myth 9: Soy protein is not as quickly digested and absorbed into the bloodstream as whey and therefore, is less effective than whey for building muscle.Fact: Soy protein is a highly digestible protein and is very effective for building muscle.Isolated soy protein is 98% digestible and soy protein has the highest PDCAAS (1.00) for a protein, which measures digestibility and availability of essential amino acids. Myth 10: Soy protein causes excess flatulence and disrupts the stomach.Fact: Soy protein isolate is gentle on the stomach and is formulated to not to cause the flatulence associated with whole soybeans.Soy protein isolate is processed into a highly digestible form. It has a digestibility value of 98%.
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