Researchers from University of Sevillle suggests that the heating process used to make most commercial whey protein powders negatively impacts Lysine levels. This amino acid is transformed when heated, making it biologically unusable. Additionally, the heating process also changes the overall protein structure meaning supplements are altogether less digestible.
Lysine is one of nine essential amino acids in humans required for growth and tissue repair, Lysine is supplied by many foods, especially red meats, fish, and dairy products.
What's the benefit of Lysine (from Healthline) ?
According to Food Matters, when whey protein is low-temperature-processed (raw or cold-processed) it retains many of its fragile immune factors and nutrients leaving it loaded with the ideal blend of easily-absorbed amino acids, anti- inflammatory immune factors and metabolism-boosting peptides, along with potent antioxidants and alkaline minerals.
It is important to use a brand that is free from pesticides, hormones, and antibiotics. Plus, some popular leading brands of protein powder may contain dangerous levels of heavy metals. A Consumer Reports' test showed that 3 of the 15 protein drinks tested contained risky levels of arsenic, cadmium, and lead. All these factors render them inferior from a health perspective.
Raw whey protein concentrate has been found to have a variety of health benefits, including:
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