Using a zinc gel in your nose daily can help you get over a cold faster and make symptoms like stuffy nose and sore throat less severe, especially if you start using it soon after you feel sick.

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Evidence from Studies

Supporting (1)

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Community contributions welcome

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Efficacy of Zinc Against Common Cold Viruses: An Overview

Narrative Review

2004 Sep-Oct

The study shows that zinc nasal gel helps reduce cold symptoms when used early, which supports the claim that it works if started within a day or two.

Contradicting (0)

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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

Efficacy of Zinc Against Common Cold Viruses: An Overview

Score: 1

DOI: 10.1331/1544-3191.44.5.594.Hulisz

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