OSTEO-ALFA is a pharmaceutical product containing 1 mcg of Alfacalcidol in soft gelatin capsule form. Each box contains 30 capsules intended for therapeutic use under proper medical supervision. This is a prescription medication that should only be taken under the direction and supervision of a healthcare provider. The dosage and duration of treatment should be determined by your doctor based on your specific medical condition. Store in a cool, dry place away from direct sunlight and keep out of reach of children.