Dull, lifeless hair and brittle, splitting nails can be signs that your diet is not as good as it could be. No matter how good your intentions, it can be difficult to ensure that you eat a healthy, balanced diet every day. Meals on the run, processed food, and unhealthy snacks lack the micronutrients, vitamins, and minerals required to promote lustrous hair growth, ensure strong nails, and support optimal health. Natrol has been specializing in the manufacture of vitamins and dietary supplements for over 30 years. Through cutting-edge innovations that combine the best of science, technology, and nature, Natrol has developed a portfolio of effective dietary supplements.