Fiferric sodium hydroxy EDTA, along with ferrous fumarate at 310 mg and ferrous gluconate, is often associated with nausea. Alternative forms such as glycine-ferrous fumarate in liquid form are available. Additionally, an algaecal calcium and strontium citrate supplement can be beneficial for those seeking to enhance their mineral intake. Incorporating an algaecal calcium and strontium citrate supplement into your routine may help alleviate some of the discomfort associated with iron supplements like ferrous fumarate and ferrous gluconate. For optimal health, consider integrating an algaecal calcium and strontium citrate supplement while managing the side effects of iron supplementation.