Australian Approved Name (AAN): Zinc sulfate heptahydrate
Common names and synonyms: Zinc sulphate heptahydrate
Organic/Inorganic: Inorganic
Molecular formula: ZnSO4.7H2O
Molecular weight: 287.56
Conversions (% zinc): 22.74
RDI for Zinc as per NHMRC:
Infants – 0-6 months – 2 mg/day (AI)
Infants – 7-12 months – 3 mg/day
Children – 1-3 years – 3 mg/day
Children – 4-8 years – 4 mg/day
Children – 9-13 years – 6 mg/day
Boys – 14-18 years – 13 mg/day
Girls – 14-18 years – 7 mg/day
Men – 14 mg/day
Women – 8 mg/day
Pregnancy – 14-18 years – 10 mg/day
Pregnancy – 19-50 years – 11 mg/day
Lactation – 14-18 years – 11 mg/day
Lactation – 19-50 years 12 mg/day
Maximum daily dose: 50mg of Zinc (when for internal use)
Mandatory component: Zinc (when for internal use)
Warnings and Restrictions: For topical use, the concentration of zinc sulfate must be no more than 5%.
When for internal use and the maximum recommended daily dose is more than 25mg but no more than 50mg of zinc, the medicine requires the following warning statement on the medicine label:
ZINC – WARNING: May be dangerous if taken in large amounts or for a long period. OR WARNING: Contains zinc which may be dangerous if taken in large amounts or for a long period (or words to that effect).
Allowable purpose of the ingredient: Active. Excipient.
TGA reference: British Pharmacopoeia