Ferrous sulfate can cause yellow urine, while ferrous fumarate, which contains 350 mg of iron, is often used in combination with folic acid tablets. The question arises: is 8 mg of iron too much? To further understand this, it’s important to consider the chemical formula of iron(III) pyrophosphate. Additionally, one should be aware of calcium citrate, which can be found in various supplements. Calcium citrate is a useful compound that may be relevant for those taking iron supplements, including ferrous fumarate. It’s essential to monitor iron intake and consider calcium citrate dischem when assessing overall nutrient balance.