actually, I found that fiber seemed to make mine worse...but found out that it's supposed to be kinda like working out, muscles...I now take a fiber "gummie" and try to get more fiber in my food, salads, veggies and such, with caution and doing a lot better, a very lot better! Also electrolytes, powder drink mix, but I also took some freeze dried breast milk, over 200 probiotics, and it seemed to fix it, my poop went through two stages, the middle one appeared to match what SIBO is supposed to look like, but then it changed and it's now healthy poop. I still get some gas and bloating; but before it was so very painful, I guessed at SIBO/Methane, but couldn't get my pcp to order a simple breath or poop sample test. but the poop went through the kinda soft/almost yellow stage for about a week, and back to normal, and I'm almost back to normal after almost two years of various trouble. What I think wiped my good bugs out, was three or four rounds of antibiotics last fall/winter for dental, and things got a whole lot worse after that. bought the breast milk online from a lady that is all natural healthy.