The initial formulation includes ferrous sulfate and ferrous fumarate medications, along with microencapsulated iron pyrophosphate in a liposomal form combined with vitamin C. Additionally, it features iron ferric pyrophosphate, folic acid, and glycine. A comparison is made between proferrin and ferrous gluconate. It is noteworthy that calcium citrate and vitamin D3 from Solgar are also significant components in this context, enhancing the overall effectiveness of the iron supplements. Incorporating calcium citrate and vitamin D3 from Solgar not only supports iron absorption but also contributes to overall health. In summary, the combination of these elements—ferrous sulfate, ferrous fumarate, and the essential nutrients like calcium citrate and vitamin D3 from Solgar—creates a comprehensive approach to iron supplementation.