Tag

Zinc

Assorted supplement capsules in small bowls on a pale surface

Zinc cut infections by 38% in young children with sickle cell disease in a Ugandan trial

Zinc is one of the most-bought supplements in the world and one of the least-tested against hard outcomes. A JAMA trial randomized 100 Ugandan children under five and counted every infection for six months.

Sep 1, 2026

Fresh oysters on the half shell arranged on a platter of crushed ice

verdict

Zinc: uses, evidence, dosing and safety

Zinc has three evidence-backed uses: a lozenge for an adult's cold, a high-dose formula for existing macular degeneration, and children in places where deficiency is common. The daily immune capsule is not one of them.

Aug 3, 2026