Zinc can stop cold viruses from copying themselves and spreading in lab tests.
Evidence from Studies
Supporting (3)
Community contributions welcome
Reduction in duration of common colds by zinc gluconate lozenges in a double-blind study
The study used zinc lozenges, which release zinc ions, and found they help shorten colds, supporting the idea that zinc fights viruses like the common cold.
Antiviral Activity of the Zinc Ionophores Pyrithione and Hinokitiol against Picornavirus Infections
This study shows that zinc can stop cold viruses from copying themselves in lab tests, which matches the claim that zinc fights viruses like the common cold.
Zinc ions inhibit replication of rhinoviruses
The study looked at zinc ions and found they stop cold-causing viruses from copying themselves in lab tests, which matches the claim exactly.
Contradicting (0)
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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.