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Peptides play a role in slowing aging, wound repair, collagen production, and muscle development
Eur J Obstet Gynecol Reprod Biol

Foods rich in vitamin B12 include mushrooms, nutritional yeast and animal products such as meat, dairy, butter and eggs

Acute metabolic effects and half-lives of intravenously administered insulinlike growth factors I and II in normal and hypophysectomized rats
