Topic

Supplements

Pills, powders and compounds: vitamins and minerals, performance and longevity supplements, herbals, and safety.

Fact-check

Calcium and vitamin D supplements do little to prevent fractures or falls

A review of 69 randomized trials and more than 150,000 people found that for healthy older adults, calcium, vitamin D, or both together did little to prevent fractures or falls.

Jul 17, 2026

Explainer

In a small trial, low-dose creatine improved reaction time in menopausal women

Researchers ran one of the first randomized trials of creatine in women going through menopause. At a modest daily dose, the supplement edged out a placebo on reaction time, brain creatine and cholesterol, though the study was small and lasted only eight weeks.

Jul 16, 2026