Ferrous bisglycinate combined with vitamin C, ferrous gluconate providing 27 mg of elemental iron, Wampole ferrous fumarate, and ferrous sulfate at 200 mg are all notable iron supplements. Additionally, K2 Fe(EDTA) is another form of iron that may be beneficial. It’s important to consider how these iron supplements can interact with calcium citrate and alfacalcidol tablets. The presence of calcium citrate and alfacalcidol tablets can influence the absorption of iron; therefore, it is advisable to space the intake of these supplements. Overall, whether you are using ferrous bisglycinate, ferrous gluconate, or any other iron source, being mindful of calcium citrate and alfacalcidol tablets is essential for maximizing iron absorption.