Gummy vitamins are chewable vitamins that have a texture and taste similar to gummy candies. They’re one of the most popular types of vitamins. These vitamins appeal to children as well as adults, who may not like swallowing pills. In your body, iron becomes a part of your hemoglobin and myoglobin. Hemoglobin carries oxygen through your blood to tissues and organs. Myoglobin helps your muscle cells store oxygen. Ferrous sulfate is used to treat iron deficiency anemia. This product is liposomal.