causal
Analysis v1
Strong Support
Taking vitamin C and zinc together might help you feel better faster when you have a cold compared to taking a fake pill.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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A Combination of High-Dose Vitamin C plus Zinc for the Common Cold
Randomized Controlled Trial
Human
2012The study looked at giving vitamin C and zinc for colds and found it helped people feel better faster than a fake pill, which matches 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.