causal
Analysis v1
Strong Support
Taking vitamin C pills every day might make your colds less severe, according to some studies that looked at healthy people.
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
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Vitamin C reduces the severity of common colds: a meta-analysis
Systematic Review With Meta-Analysis
Human
2023 Dec 11This study looked at the same vitamin C dose and same group of people as the claim, and found exactly the same 15% reduction in cold severity, 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.