ALFA D 1MCGALFA D 1mcg Active Vitamin D (Alfacalcidol) for Bone & Calcium Support ALFA D 1mcg contains Alfacalcidol, a vitamin D analogue used to treat and prevent conditions caused by low levels of calcium in the blood, especially in patients with kidney disorders. It helps the body properly absorb calcium and maintain strong bones and healthy nerves. Key Benefits: Contains 1 microgram of Alfacalcidol, a potent form of vitamin D. Supports bone health and