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Vitamin B12, also known as cobalamin, is a water-soluble vitamin that plays a crucial role in red blood cell production, DNA synthesis, and nervous system function

What the Authoritative Sources Say About B12 Deficiency and Supplementation The National Institutes of Health Office of Dietary Supplements publishes the most thorough citation-backed overview of vitamin B12 its role in red blood cell formation and neurological function, the populations most at risk for deficiency (older adults, people on long-term metformin or proton pump inhibitors, vegetarians and vegans, people who have had gastric bypass surgery), and the recommended daily intake at each life stage

Injections bypass this entirely directly supplying your body with the B12 it needs to support your weight loss program

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