Do you take probiotics? Or are you looking to take probiotics but don’t know where to start? Meet the best. I was a sufferer of severe IBS-D for years. I was lucky enough to have a friend and Doctor recommend Dr Mercola Probiotics. These are some of the strongest on the market and I think these alone cured my IBS. You can read more about Dr Mercola here, and his other wonderful products. He even has stuff for pets! If you have a medical ailment, chances are Mercola has a solution!