What do systematic reviews say?

Enteral zinc supplementation vs no zinc supplementation

Enteral zinc supplementation showed no clear difference in necrotising enterocolitis compared with no zinc supplementation (low certainty).

• Enteral zinc supplementation for prevention of morbidity and mortality in preterm neonates 2021 · Cochrane Headline outcomes only
  RR 0.08 [0, 1.33]
  1 study · 193 participants
  Low