Effects of Vitamin A Supplementation on Intestinal Barrier Function, Growth, Total Parasitic, and Specific<i>Giardia</i>spp Infections in Brazilian Children: A Prospective Randomized, Double‐blind, Placebo‐controlled Trial

Abstract

These data showed that total parasitic infection and Giardia spp infections were significantly lower in the vitamin A treatment group when compared with the placebo group, suggesting that vitamin A improves the host's defenses against Giardia infections.