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Evidence found and GRADE certainty

4,721 questions · 19,640 findings · 2,039 reviews · Headline outcomes only

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No studies found 3,754 · 19.1%GRADE not reported 1,273 · 6.5%Very low 4,859 · 24.7%Low 5,568 · 28.4%Moderate 3,240 · 16.5%High 946 · 4.8%

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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 vs placebo

Risk of serious adverse events, including those that may be complications of the common cold · adults and children with colds and/or upper respiratory infections

The review found no eligible studies for this question.

1 finding from 1 review

Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily

Withdrawals due to adverse events · Patients with active mild to moderate ulcerative colitis

It is very uncertain whether inulin and oligofructose 15 g changes withdrawals due to adverse events (9 weeks) compared with inulin and oligofructose 7.5 g daily (very low certainty).

1 finding from 1 review

Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily

Clinical remission · Patients with active mild to moderate ulcerative colitis

It is very uncertain whether inulin and oligofructose 15 g changes clinical remission (9 weeks) compared with inulin and oligofructose 7.5 g daily (very low certainty).

1 finding from 1 review

Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily

Clinical improvement (Mayo score) (9 weeks) · Patients with active mild to moderate ulcerative colitis

It is very uncertain whether inulin and oligofructose 15 g changes clinical improvement (Mayo score) (9 weeks) compared with inulin and oligofructose 7.5 g daily (very low certainty).

1 finding from 1 review

Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily

Total adverse events (9 weeks) · Patients with active mild to moderate ulcerative colitis

It is very uncertain whether inulin and oligofructose 15 g changes total adverse events (9 weeks) compared with inulin and oligofructose 7.5 g daily (very low certainty).

1 finding from 1 review