A 25-hydroxyvitamin D blood test measures your actual level in ng/mL. Ask your doctor or pharmacist about it — here's how the result is generally read:
Levels low enough to warrant attention and, usually, a conversation about supplementation.
Below the level most guidelines consider optimal — the zone a lot of tested Kenyans fall into.
Generally considered an adequate level for bone and overall health.
These bands follow the Institute of Medicine (IOM) classification — the same reference ranges used in the 2018 Nairobi hospital study cited on our homepage (read it here). Your own doctor may interpret your result differently based on your history.