← Royal Fitness Club Educational information only — not a substitute for medical advice. Read disclaimer ·
Bone and muscle vitamin — deficient in most urban Indians.
Updated: 12 August 2026
Do not diagnose based on one lab value. Ranges vary by lab, method, age, pregnancy and medicines — always interpret trends with your doctor.
25-hydroxy vitamin D.
Deficient <20 ng/mL • Insufficient 20–30 • Sufficient 30–50.
No — it is a correction course (often 8–12 weeks), then low daily/weekly maintenance.
This website provides general educational information and is not a substitute for professional medical diagnosis, treatment or emergency care. Always consult a qualified healthcare professional.