The reaction of ferrous sulfate involves various compounds, including ferrous fumarate. Ferrous fumarate, at a dosage of 18 mg, is often utilized in dietary supplements. Additionally, the product information leaflet for ferrous fumarate typically highlights its benefits and uses. In the context of iron supplementation, 50 mg of ferrous sulfate can also be found in some formulations. It’s essential to consider how these iron sources interact with other supplements, such as Rainbow Light Calcium, which is known for its role in bone health. When incorporating supplements like Rainbow Light Calcium, it’s important to balance your intake of ferrous sulfate and ferrous fumarate to ensure optimal nutrient absorption and effectiveness.