Probiotics have been been advertised as a health-aid product for the last few years; however, recent research has uncovered that they may actually do damage. A lot of people don’t know, but probiotics are actually bacteria. Once they’re introduced into the body, they’re given the opportunity to grow. This study found that they grew into illnesses. Another possible negative is that there can be greatly increased risks if they’re consumed after antibiotics. However, this article is based on just one small article, so more research will need to be done.