06 Sep 2021 --- American Regent is introducing Multrys, a Food and Drug Administration (FDA)-approved trace element injection for neonatal and pediatric patients weighing less than 10 kg. As 1 mL single-dose vials, Multrys contains 1 mg of zinc, 60 mcg of copper, 3 mcg of manganese and 6 mcg of selenium, supplementing parenteral nutrition when oral or enteral nutrition is not possible, insufficient or contraindicated.