probiotic vitamins
https://topsitenet.com/article/811721-24-hours-to-improving-what-is-the-most-effective-probiotic/
While some debate the main advantages of probiotics, you will find those that swear by them. Dr. Bruce Fife clarifies the many benefits of probiotics in his ebook The Anti-Gastrointestinal Guide to Nutritious Nourishment.