Effects of zinc supplementation on growth of children under 5 years of age: A meta‐analysis of randomized controlled trials

Background Zinc interventions have received much attention as a cost‐effective and promising strategy to improve child health, but their roles in preventing growth retardation in early childhood remain unclear. Objective Meta‐analyses of randomized controlled trials were conducted to evaluate the effect of zinc interventions on the growth of children < 5 y old. Design Eligible studies were identified by PubMed database search and other...