Did you know that the bacteria that live in our intestines account for over two pounds of our body weight? And that there are 10 times the number of bacterial cells in our body than human cells? Some bacteria play a beneficial role in a normal gastrointestinal (GI) tract and are known as probiotics.
Probiotics have a variety of functions in the GI tract including aiding the intestinal immune system and the intestinal nervous system, breaking our food into nutrients, blocking the bad bacteria, and promoting a healthy intestinal lining. With so many important tasks, it is no surprise that probiotics can be used to treat some common GI conditions. Though studies of probiotics are small with considerable variability, there is evidence supporting probiotic use for prevention of diarrhea caused by antibiotic use and treatment of infectious diarrhea, ulcerative colitis, clostridium difficile, and irritable bowel syndrome.
What you should know:
The U.S. FDA considers probiotics as dietary supplements, so their production is not tightly regulated and quality can vary widely. In addition, insurance companies do not cover probiotics, and the cost adds up quickly.
Should I ....