nutrients · Biomarker
Vitamin B12
Essential for nerve function and red blood cell production.
Clinical range
200–900 pg/mL
Longevity-optimal target
500–900 pg/mL
How to improve your Vitamin B12
Common low-risk groups: plant-based diets, older adults, certain medications — supplementation is generally safe but confirm with a clinician.
Frequently asked questions
What is a normal Vitamin B12 level?
The standard clinical reference range for Vitamin B12 is 200–900 pg/mL. Individual labs vary — interpret alongside your full picture and a clinician.
What is the optimal Vitamin B12 for longevity?
A commonly-proposed longevity-oriented target for Vitamin B12 is 500–900 pg/mL. This is a wellness convention, not a universal clinical threshold.
What does Vitamin B12 measure?
Essential for nerve function and red blood cell production.
How do I improve my Vitamin B12?
Common low-risk groups: plant-based diets, older adults, certain medications — supplementation is generally safe but confirm with a clinician. Educational only — confirm any change with your clinician.
Related markers
Educational information only — not medical advice, a diagnosis, or a recommendation to use any substance or therapy. Regulatory status changes; verify current rules and any personal decision with a licensed clinician. Jevity is operated by Upcapital Global FZCO, Dubai, UAE.