Calcium and zinc are elemnts and their chemical symbols are Ca and Zn.
If you are referring to dietary supplements then the ingredients should be on the packaging.
The chemical formula for sulfur is S and the chemical formula for zinc is Zn.
the chemical formula of zinc sulphate is ZnSO4.
The chemical formula for zinc selenide is ZnSe.
The chemical formula for aqueous zinc bromide is ZnBr2.
Formula: ZnCO3
The chemical formula for Calcium Silicate is Ca2SiO4.
The chemical formula for calcium sulphite is CaSO3
The chemical formula for Calcium Chloride is CaCl2.
The chemical formula of calcium carbonate is CaCO3.
The chemical formula of zinc oxalate is C2O4Zn.
The Chemical Formula for Zinc Nitrite is Zn(NO2)2.
The chemical formula for zinc filings is Zn.