Increased energy, better focus, improved mood, and more restful sleep are common signs
You simply come in, receive your injections, and go about your daily life
Once your B12 levels are back to normal, or if a change in your diet gives your body all the B12 it needs, you may be asked to stop taking these tablets
[2] Age and overall health status also play important roles
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