It was first isolated from human plasma, where it naturally occurs at concentrations of around 200 ng/mL at age 20, declining to approximately 80 ng/mL by age 60
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Injectable nutrition is one of the most effective forms of supplementation
Its essential for: Red blood cell formation Neurological function DNA synthesis Metabolism of fats and carbohydrates Energy production Since B12 is naturally found in animal products such as meat, dairy, and eggs, individuals following vegetarian or vegan diets are often more susceptible to deficiencies
Lancet Respir Med 5(3):162164 Chun SH, Lee HA, Lee KB, Kim SH, Park KY, Lee KW (2016) Effects of glycated Whey protein concentrate on Pro-inflammatory cytokine expression and phagocytic activity in RAW264.7 macrophages