causal
Analysis v1
Strong Support
Taking high-dose zinc lozenges right when you start feeling a cold can shorten how long you're sick by almost half, according to studies in adults.
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
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The effectiveness of high dose zinc acetate lozenges on various common cold symptoms: a meta-analysis
Systematic Review With Meta-Analysis
Human
2015 Feb 25The study looked at the same zinc lozenges and found they really do shorten colds by a lot, just like the claim says, so it supports it.
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.