What this study has found might be a shocker, and a means to be cognizant of the vitamin and mineral supplements that many of us have been taking with or without doctor's prescription. We are not unknown to the world of supplements. We indulge ourselves with over the counter supplements without giving any thought to the side effects. Our dependency and belief on supplements is so strong that many of us do not even consult a doctor before taking them. However, this study has thrown light on the least expected outcomes of having vitamin supplements.