causal
Analysis v1
Strong Support
When adults with cold symptoms take zinc gluconate lozenges, their colds might get better faster, but this only worked in a special test setting and not with real-world colds or different zinc types.
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0
Evidence from Studies
Supporting (1)
49
Community contributions welcome
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Effect of treatment with zinc gluconate or zinc acetate on experimental and natural colds.
Randomized Controlled Trial
Human
2000 NovThe study gave people the exact same zinc lozenges mentioned in the claim and found they really did shorten colds by about a day, just like the claim says.
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.