Taking high-dose zinc lozenges can shorten how long you have a cold by about 3 days, especially for adults between 20 and 50 years old.

39

Pro

0

Against

Evidence from Studies

Supporting (1)

39

Community contributions welcome

39

Zinc acetate lozenges for treating the common cold: an individual patient data meta-analysis.

Systematic Review With Meta-Analysis

Human

2016 Nov

This study looked at zinc lozenges for colds and found they shorten colds by about 3 days in adults, just like the claim says, so it supports the claim.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Zinc acetate lozenges for treating the common cold: an individual patient data meta-analysis.

Score: 39

DOI: 10.1111/bcp.13057

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