Purchase ferrous gluconate, iron pyrophosphate, and microencapsulated iron supplements. The maximum dosage of ferrous fumarate should be noted, along with its trade name. Additionally, ferrous bisglycinate is another form to consider, particularly when evaluating how much elemental iron it provides. In discussions about iron supplements, it’s also interesting to compare calcium citrate vs malate, as both forms can influence mineral absorption. When selecting an iron supplement, understanding the differences in elemental iron content as well as the efficacy of calcium citrate vs malate can guide your choice. Ultimately, whether you opt for ferrous gluconate, iron pyrophosphate, or ferrous bisglycinate, being informed about the maximum dosage and elemental iron levels is crucial, especially in the context of calcium citrate vs malate.