Should I take brand name or generic medication for my osteoarthritis symptoms?

Medications in the United States are regulated by the Food and Drug Administration (FDA). If a drug company says that its drug has a certain amount of medication in it, then the FDA is supposed to ensure that it truly does. Supplements are very different. The FDA does not regulate the supplement industry in the same way as it does the drug industry. As a result, many supplements may say they contain one thing, but...