Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3 questions · 3 findings · 1 reviews

No studies found 2 · 66.7%GRADE not reported 0 · 0%Very low 1 · 33.3%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Staple foods fortified with vitamin A vs same unfortified staple foods

Clinical vitamin A deficiency (as defined by night blindness) · general population over 2 years of age

It is very uncertain whether staple foods fortified with vitamin A changes clinical vitamin A deficiency (defined as night blindness) compared with same unfortified staple foods (very low certainty).

1 finding from 1 review