A 388,229-person NIH cohort study found high-dose supplemental calcium raised heart-disease death risk in men by 20% — but not from food, and not in women.
osteoporosis
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Vitamin K for Bone and Artery Health: What 31 Clinical Trials Show
A 2,600 mcg vitamin K softgel delivers 22x the adult AI. Here's what 31 pooled clinical trials found for bone density, artery health, and the warfarin risk.