causal
Analysis v1
Strong Support
Taking zinc acetate lozenges soon after cold symptoms start can help otherwise healthy adults recover from a cold about three times faster than if they didn't take them.
67
0
Evidence from Studies
Supporting (1)
67
Community contributions welcome
67
Zinc Acetate Lozenges May Improve the Recovery Rate of Common Cold Patients: An Individual Patient Data Meta-Analysis
Systematic Review With Meta-Analysis
Human
2017 SpringThe study tested exactly what the claim said—zinc lozenges taken early for colds—and found people got better three times faster, just like the claim states.
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.