Nutritional Supplements Help Achieve Optimal Health Nutritional supplements may help balance your body. Many people usually do not get the correct amounts of vitamins and minerals. Nutritional supplements can help reduce anxiety, menopause symptoms, and even moderate mental distress. Nutritional supplements usually contain various amounts of both omega 3 fish oil and amino acids. Eating fast foods lowers the amount of nutrients our bodies need in order to do our best. Research studies show that people who take herbal supplements on a daily basis have more energy and stay healthy.