Ferrous Ascorbate Folic Acid Zinc Sulphate offered, is a combination of two nutritional supplements: ferrous ascorbate and folic acid, both of which replace the body's stocks of essential elements. Folic acid is a type of B vitamin. This medication is essential for the synthesis of oxygen-carrying red blood cells in the body. Ferrous Ascorbate Folic Acid Zinc Sulphate is especially vital during pregnancy due to its role in the development of the unborn baby's brain and spinal cord. This is very cost effective to use.