Component Class Calcitriol Active Vitamin D (Hormonal Form – D3) Calcium Citrate Calcium Salt (Bone Mineral) Magnesium Oxide Mineral Supplement Methylcobalamin Active Vitamin B12 Zinc Oxide Trace Mineral Vitamin D3 (Cholecalciferol) Fat-soluble Vitamin (Bone Health) L-Methylfolate Active Folate (Vitamin B9 derivative) Vitamin K2-7 Fat-soluble Vitamin (Bone & Heart Health)