It usually starts with the type of health product that needs to be evaluated. There are a lot of health products in the market such as herbal supplements, herbal drinks, medicinal drugs, wonder plant drinks and such. First of all, the product should be backed up by reliable literature. It must be peer-reviewed and written by a medical professional. Next, it should have the approval of the FDA. The FDA is thorough in evaluating food and food-related products before it enters the market for public consumption. And lastly, focused group discussion and clinical trials should have been made for the product to test its health claims and side effects.