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
Vitamin B12 can be found in dairy products like milk and cheese and foods like eggs, red meat, and fish
DNA damage: Accumulating mutations that impair gene expression
Additional Wellness Services Many people pair their B12 shots with IV therapy for enhanced benefits
The exact product, concentration, route, and quantity should follow clinician directions
according to Grand View Research, the U.S