Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 50%Low 0 · 0%Moderate 1 · 50%High 0 · 0%

Zinc vs placebo

Risk of adverse events, including those that may be due to zinc supplements Duration of · adults and children with colds and/or upper respiratory infections

1 finding from 1 review

Zinc for prevention and treatment of the common cold 2024 · Cochrane Headline outcomes only
no estimate extracted
16 studies · 2084 participants
Moderate

Zinc vs placebo

Risk of adverse events, including those that may be due to zinc supplements Duration of · adults and children without colds

1 finding from 1 review

Zinc for prevention and treatment of the common cold 2024 · Cochrane Headline outcomes only
no estimate extracted
7 studies · 1517 participants
Very low