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Evidence found and GRADE certainty

3 questions · 3 findings · 1 reviews

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

Staple foods fortified with vitamin A vs same unfortified staple foods

Subclinical vitamin A deficiency (serum/plasma retinol 70 μmol/L or less) · general population over 2 years of age

It is very uncertain whether staple foods fortified with vitamin A changes subclinical vitamin A deficiency (serum/plasma retinol 70 μmol/L or… compared with same unfortified staple foods (very low certainty).

1 finding from 1 review

Staple food fortified with vitamin A plus other micronutrients vs same unfortified staple foods

Subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L or less) · general population over 2 years of age

Staple foods fortified with vitamin A plus other micronutrients probably leads to lower subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L… compared with same unfortified staple foods (moderate certainty).

1 finding from 1 review

Staple food fortified with vitamin A plus other micronutrients vs no intervention

Subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L or less) · general population over 2 years of age

It is very uncertain whether staple food fortified with vitamin A plus other micronutrients changes subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L… compared with no intervention (very low certainty).

1 finding from 1 review