The highest recommended dosage of ferrous fumarate during pregnancy is an important consideration for maternal health. According to the USP monograph for ferrous glycine sulfate, it is essential to evaluate the bioavailability of iron fumarate to ensure effective supplementation. Additionally, iron II silver acetate may be used in specific scenarios. When discussing ferrous fumarate 150, it is crucial to also consider the role of calcium citrate chews CVS, which can provide beneficial calcium intake. Incorporating calcium citrate chews CVS alongside iron supplements may support overall nutritional balance during pregnancy. Therefore, understanding the maximum dose of ferrous fumarate, the bioavailability of iron fumarate, and the potential integration of calcium citrate chews CVS is vital for optimal maternal and fetal health.