| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | ferrous sulfate | Western countries | Commonly used as a dietary supplement to treat iron deficiency anemia. | 1 |
| 2 | ferrous sulfate | Western countries | Commonly used as a dietary supplement for treating iron deficiency anemia | 1 |
| 3 | ferrous sulfate | Western countries | Used as a dietary supplement to treat iron deficiency anemia. | 1 |