Findings

What do systematic reviews say?

2 questions · 2 findings · 2 reviews · Metabolic and Endocrine Disorders

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

Vitamin D vs placebo or no intervention

Cancer mortality in trials using vitamin D3 (cholecalciferol) ( · healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a stable phase or with…

Vitamin D may leads to lower cancer mortality in trials using vitamin D₃(cholecalciferol) compared with placebo or no intervention (low certainty).

1 finding from 1 review

Vitamin D supplementation for prevention of cancer in adults 2014 · Cochrane Headline outcomes only
RR 0.88 [0.78, 0.98]
4 studies · 44492 participants
Low

Intervention not reported

Cancer mortality in trials using vitamin D3 (cholecalciferol) ( · adults

The intervention probably leads to lower cancer mortality in trials using vitamin D3 (cholecalciferol) ( (moderate certainty).

1 finding from 1 review

Vitamin D supplementation for prevention of mortality in adults 2014 · Cochrane Headline outcomes only
RR 0.88 [0.78, 0.98]
4 studies · 44492 participants
Moderate