What do systematic reviews say?

Intervention not reported

The intervention showed no clear difference in adverse effects: vomiting 48 to 72 hours (low certainty).

• Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age 2016 · Cochrane Headline outcomes only
  RR 0.95 [0.67, 1.35]
  2 studies · 2187 participants
  Low