Tag
Supplement safety
Page 1 of 8
A selenium supplement lowered long-term blood sugar by 1.2 points in eight weeks
That is a drug-sized change from a mineral sold in pharmacies. It came from one small trial in patients with diabetic nerve damage, and the size of the effect is the reason to be careful rather than excited.
Sep 6, 2026
Strawberry leaf extract failed its pre-planned memory test, then reported a win anyway
109 older adults took strawberry leaf extract or a placebo for 12 weeks. The pre-planned analysis found nothing, on memory or anything else. The paper is titled 'Enhanced memory function and reduced perceived stress'.
Aug 24, 2026
Calcium supplements: uses, evidence, dosing and safety
Calcium is taken for bones, and a 2026 BMJ review found little to no benefit for fractures or falls. Its best evidence is somewhere almost nobody looks: preventing pre-eclampsia in pregnancy.
Aug 6, 2026
Collagen: uses, evidence, dosing and safety
Collagen is sold for skin and works better for joints. A 2025 review found that industry-funded studies showed a skin benefit and independently funded ones did not.
Aug 6, 2026