Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

780 questions · 834 findings · 76 reviews

No studies found 187 · 22.4%GRADE not reported 164 · 19.7%Very low 144 · 17.3%Low 172 · 20.6%Moderate 105 · 12.6%High 62 · 7.4%

Vitamin D given to infants vs placebo or no treatment

Hypercalcaemia · term breastfed infants to prevent vitamin D deficiency and improve bone health

Vitamin D given to infants showed no clear difference in adverse effects (hypercalcaemia) compared with placebo or no treatment (low certainty).

1 finding from 1 review