- Hypovitaminosis D : rickets, osteomalacia
- Prophylaxis of osteoporosis
- Intake deficient in vitamin D : steatorrhée, biliary obstruction, cirrhosis, gastrectomy, elderly persons (bedridden or outgoing little)
- Treatment and/or prophylaxis of vitamin D deficiency : growth, pregnancy, lactation, intake of anti-convulsivants
- Hypoparathyroidie idiopathic or post-operative pseudo-hypoparathyroidism
- Adjunctive treatment, in combination with calcium, drugs inhibiting bone resorption or stimulating bone formation, used in the treatment of osteoporosis