Ferrous fumarate is available in a low dose of 332 mg, while ferrous sulfate is offered in a 100 mg dosage. The formulation includes Stpnv Cmb 95 ferrous fumarate fa, which has been published for use in the UK. Additionally, it is important to consider the benefits of Kirkland citrate magnesium and zinc, which can enhance overall health. Incorporating Kirkland citrate magnesium and zinc into your daily routine can provide essential nutrients that support various bodily functions. For optimal health, combining ferrous fumarate or ferrous sulfate with Kirkland citrate magnesium and zinc may be beneficial.