nutrients · Biomarker
Vitamin D (25-OH)
Reflects vitamin D stores; supports bone, immune and muscle function.
Clinical range
20–50 ng/mL
Longevity-optimal target
40–60 ng/mL
How to improve your Vitamin D (25-OH)
If trending low, safe sun exposure and diet are first-line — discuss supplementation with your clinician.
Frequently asked questions
What is a normal Vitamin D (25-OH) level?
The standard clinical reference range for Vitamin D (25-OH) is 20–50 ng/mL. Individual labs vary — interpret alongside your full picture and a clinician.
What is the optimal Vitamin D (25-OH) for longevity?
A commonly-proposed longevity-oriented target for Vitamin D (25-OH) is 40–60 ng/mL. This is a wellness convention, not a universal clinical threshold.
What does Vitamin D (25-OH) measure?
Reflects vitamin D stores; supports bone, immune and muscle function.
How do I improve my Vitamin D (25-OH)?
If trending low, safe sun exposure and diet are first-line — discuss supplementation with your 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.