“ Neomycin reduced the bioavailability of vitamin A by 13.9% (maximum, 18.1% and minimum, 9.6%) in assay 1 and by 13.5% (maximum, 17.7% and minimum, 9.3%) in assay 2.”
“Total vitamin A concentration in the liver of the animals which received Neomycin was lower (p < 0.05) than that observed in the controls.”