Tool
Elemental content calculator for mineral salts
How much of a mineral salt delivers a target amount of elemental mineral, calculated from the molar mass of each form.
Elemental content by form
| Form | Formula | Elemental content | Salt for 100 mg |
|---|---|---|---|
| Magnesium oxide | MgO | 60.3 % Mg | 166 mg |
| Magnesium carbonate | MgCO3 | 28.8 % Mg | 347 mg |
| Trimagnesium dicitrate | Mg3(C6H5O7)2 | 16.2 % Mg | 619 mg |
| Magnesium malate | C4H4MgO5 | 15.5 % Mg | 643 mg |
| Magnesium bisglycinate | C4H8MgN2O4 | 14.1 % Mg | 709 mg |
| Magnesium taurate | C4H12MgN2O6S2 | 8.9 % Mg | 1121 mg |
| Calcium carbonate | CaCO3 | 40.0 % Ca | 250 mg |
| Tricalcium dicitrate | Ca3(C6H5O7)2 | 24.1 % Ca | 415 mg |
| Dicalcium phosphate | CaHPO4 | 29.5 % Ca | 339 mg |
| Tricalcium phosphate | Ca3(PO4)2 | 38.8 % Ca | 258 mg |
| Zinc oxide | ZnO | 80.3 % Zn | 124 mg |
| Zinc sulfate monohydrate | ZnSO4·H2O | 36.4 % Zn | 274 mg |
| Zinc citrate | Zn3(C6H5O7)2 | 34.2 % Zn | 293 mg |
| Zinc gluconate | C12H22O14Zn | 14.3 % Zn | 697 mg |
| Zinc picolinate | C12H8N2O4Zn | 21.1 % Zn | 474 mg |
| Zinc bisglycinate | C4H8N2O4Zn | 30.6 % Zn | 327 mg |
| Ferrous fumarate | C4H2FeO4 | 32.9 % Fe | 304 mg |
| Ferrous sulfate | FeSO4 | 36.8 % Fe | 272 mg |
| Ferrous gluconate | C12H22FeO14 | 12.5 % Fe | 799 mg |
| Ferrous bisglycinate | C4H8FeN2O4 | 27.4 % Fe | 365 mg |
| Potassium chloride | KCl | 52.4 % K | 191 mg |
| Tripotassium citrate | C6H5K3O7 | 38.3 % K | 261 mg |
| Potassium iodide | KI | 76.4 % I | 131 mg |
| Sodium selenite | Na2SeO3 | 45.7 % Se | 219 mg |
| Chromium picolinate | C18H12CrN3O6 | 12.4 % Cr | 804 mg |
| Copper gluconate | C12H22CuO14 | 14.0 % Cu | 714 mg |
| Manganese sulfate | MnSO4 | 36.4 % Mn | 275 mg |
Theoretical values for the formula shown (anhydrous unless stated). Commercial grades carry water of hydration and assay tolerances: use the certificate of analysis for label claims.
Reviewed by Atakan Cilingir, Technical Sales Manager, SoleChem Kimya A.Ş. · Updated October 2026
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