Zinc for the common cold
Cochrane · 2024
Reviewed guidance
Zinc for common cold
Zinc lozenges can reduce common-cold duration when started early after symptom onset.
What this means
Support for common cold symptoms
Safety & cautions
Get medical care for symptoms that are severe, last longer than expected, get worse, or otherwise concern you.
Household preparations
Practical ways to use the ingredient may not provide the same form or amount discussed in the evidence.
Evidence transparency