Supplements for bone health

WHI confirmed vitamin D3 + calcium reduces hip fracture risk in post-menopausal women. Vitamin K2 (MK-7 100–200 mcg) directs absorbed calcium into bone instead of arteries. Magnesium is a cofactor for activating vitamin D and converting inactive osteocalcin. The four together (D3 + Ca + K2 + Mg) is the evidence-aligned bone stack. Caution: high-dose calcium without K2 has been associated with vascular calcification in some cohorts. Discuss with your provider if you have CKD or are on warfarin.