Research library / Immunity

Zinc lozenges and the common cold: a meta-analysis comparing zinc acetate and zinc gluconate, and the role of zinc dosage

H Hemilä. JRSM Open. 2017.

Published 2026-10-15Sources checked 2026-10-151 sourceEverstack research teamHow we work

In plain language

Zinc lozenges shortened colds by about a third; acetate and gluconate performed similarly; no benefit seen above about 100 mg/day.

Limits

Few small trials; single author.

Source

doi.org/10.1177/2054270417694291 · PubMed 28515951 · Free full text

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