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
B12 injectables are minimally invasive treatments that may cause mild tenderness or pain
Spending time outside, especially in primarily green locations, lowers stress levels
Vitamin B12 is important for many essential bodily functions, including nerve regeneration, DNA synthesis, and the formation of red blood cells
Doctors and nutritionists alike recommended dietary allowance (RDA) for vitamin B12 is 2.4 micrograms per day for adults aged 19 years or older