The initial iron supplement, iron 1 phosphate, is often combined with prenatal vitamins containing iron fumarate. Additionally, ferrous bisglycinate and ferrous gluconate are safe options found in food sources. Notably, calcium citrate without vitamin D is an important consideration when selecting supplements, especially for those who need to manage their calcium intake. It’s advisable to look for formulations that include calcium citrate without vitamin D, ensuring that you receive the necessary nutrients without excess vitamin D. This highlights the importance of choosing the right iron source while also being mindful of calcium citrate without vitamin D, as it can play a crucial role in overall health.