Wampole ferrous fumarate, also known as iron II acetate (Fe C2H3O2), has a molar mass of 210 mg and is often used to treat constipation. In addition, Thorne’s ferrous bisglycinate, combined with vitamin C and ferrous fumarate, provides an effective iron supplement. It’s important to note that while iron supplements are beneficial, maintaining a proper balance of other nutrients, such as calcium citrate, is crucial. The recommended daily intake of calcium citrate should also be considered to support overall health. When incorporating iron supplements like ferrous fumarate into your routine, remember to adhere to the recommended daily intake of calcium citrate to ensure optimal nutrient absorption and health benefits.