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0:51
YouTube
Science of Eating
What is a normal vitamin D level?
Quick clinical guide to serum 25‑hydroxyvitamin D ranges: deficiency, insufficiency, target for bone health, and toxicity thresholds. Not medical advice—consult your clinician before high‑dose supplements. 🔔 Subscribe! If you enjoy short nutrition facts and healthy lifestyle videos, subscribe and turn on notifications for weekly ...
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