First, ferrous fumarate provides 210mg of elemental iron. This food supplement combines ferrous fumarate with essential vitamins such as B2, B12, and folic acid. Additionally, it includes calcium citrate tetrahydrate, which plays a crucial role in enhancing iron absorption. In this formulation, ferrous fumarate is effectively paired with calcium citrate tetrahydrate to optimize nutritional benefits. For those seeking to improve their iron levels, this supplement with ferrous fumarate and calcium citrate tetrahydrate is an excellent choice.