Let’s be clear: No supplement should be viewed as a drug. None cure cancer, treat erectile dysfunction, or erase bipolar disorder. But some do support normal body functions to promote better health. Sure, there are three supplements even healthy people should take: magnesium, Vitamin D, and fish oil. But there are some others that can help with specific symptoms of poor health — and make for a good first try before you head to your pharmacist. As long as you first talk with your doctor, do your research on supplement brands, and read labels carefully, here are eight supplements that science suggests may actually work.