Ingredient

Safety not yet rated

Zinc (oral lozenges)

Zinc lozenges are oral supplements that dissolve slowly in the mouth, releasing ionic zinc to the throat and upper respiratory tract.

Reviewed health uses

Common Cold

For relief nowSome evidence

A 2024 systematic review found that zinc used to treat a cold may shorten symptoms by about 2 days compared with placebo. However, confidence in the evidence was low because studies used different zinc preparations, doses and methods. It is unclear whether zinc meaningfully reduces symptom severity.

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Household preparations

Safety information

No published ingredient-specific cautions are attached.