Zinc syrup strength varies by brand. Common formulations are:
Check whether the label states
elemental zinc or a zinc salt such as zinc sulfate. For example,
27.45 mg zinc sulfate monohydrate per 5 mL provides 10 mg elemental zinc. The
WHO formulation guidance specifies oral zinc solutions as 10 mg/5 mL or 20 mg/5 mL elemental zinc.