Iron pyrophosphate microencapsulated 0.1 N ferrous ammonium sulfate is available by prescription only, while iron sodium gluconate and ferrous gluconate in chewable form are also options. Additionally, calcium citrate 315 200 is an important supplement that can be considered in conjunction with these iron formulations. It’s essential to consult with a healthcare provider to determine the most suitable iron supplement, whether it be ferrous gluconate or calcium citrate 315 200, based on individual health needs. Remember that iron supplementation, including options like iron sodium gluconate, should be approached with care, especially when combined with calcium citrate 315 200 to enhance absorption.