VSL#3 is a probiotic medical food containing eight live bacterial strains. It has attracted attention for its combined effect in the treatment of chronic diseases in animals and humans, as well as children. The ingredients in VSL#3 are Generally Recognized as Safe (GRAS) food ingredients. Some mild side effects that have been reported include bloating, gas, abdominal cramps, vomiting, and diarrhea. It is gluten, soy, GMO, and dairy-free. VSL#3 may interact with some medications, such as doxycycline and prednisone. It should also be used under the supervision of a physician. Studies have shown that VSL#3 can support the management of conditions like ulcerative colitis and irritable bowel syndrome. However, not all uses for VSL#3 have been approved by the FDA. This product should not be used in place of medication prescribed for you by your doctor. Online reviews provided valuable insights into the satisfaction levels and experiences of users. Considering its potency and quality, the product offers a fair value for money.