Can you take ferrous sulfate with water? Ferrous fumarate, folic acid, and zinc sulfate tablets are commonly used for iron supplementation. The ferrous bisglycinate USP monograph also highlights the importance of these nutrients. It’s essential to be aware of the maximum dose of ferrous sulfate, especially if you have concerns regarding calcium citrate and its effects on the kidneys. When considering ferrous fumarate with folic acid and zinc tablets, it’s important to keep in mind the role of calcium citrate in kidney health. Always consult your healthcare provider before combining these supplements to ensure your kidneys remain healthy.