I take Florastor and Align but I believe the diet is very important to prevent relapses. It is not just about staying gluten or lactose free. I would highly recommend reading about Low FODMAP diet before you start cutting items out of your diet. I did that and lost 20 pounds in two months. Most of us need professional advice from a nutritionist to figure out how to implement the diet correctly. I was starving myself and not getting better when I was trying to implement the diet on my own. There is a great deal of information about how to implement a diet for SIBO. Read up a bit before you start and keep a food diary.