Vitamin D Supplements: A Reality Check on Who Actually Benefits
Large trials with more than 30,000 participants found vitamin D pills do little for people who are not deficient, reshaping decades of assumptions.
Jan 20, 2026

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11 stories for“vitamin d supplementation”
Large trials with more than 30,000 participants found vitamin D pills do little for people who are not deficient, reshaping decades of assumptions.
Jan 20, 2026

A proposed rule published on 29 October would triple the iodine minimum, double vitamin D, cap manganese for the first time and lower vitamin A, with 120 days for comment and three years to comply.
Oct 30, 2026

In a placebo controlled trial of 109 people, 58 per cent of the antibiotic group and 57.7 per cent of the supplement group reached the clinical target. The placebo group reached 23.1 per cent, and that third number is what makes the first two mean anything.
Aug 31, 2026

Biohackers take metformin to slow aging, but the trial designed to actually prove that, TAME, still has not finished enrolling.
May 6, 2024
