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.
magnesium
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Magnesium Inadequacy Is Common: What the NIH Data Actually Show
NIH survey data show 48% of Americans get less magnesium than they need. Here's what the research actually supports for blood pressure, migraine, and bone health.