Nutritional supplements help you overcome nutritional deficiencies. We need all the nutrients in their proper amounts for optimum health. Since our diets most likely cannot provide all of them, nutritional supplements can fill in those gaps. Nutritional supplements also help boost our immune system. The stronger your immune system, the more resistant your body can be against disease. Nutritional supplements are also useful in getting rid of the toxins. Supplements, most especially anti-oxidants, can help our body keep toxins to a minimum.