Are there any gut conditions that fiber is not good for? Alexis March 10, 2021 20:23 No. Though if you have a serious condition, we always recommend speaking to a doctor before taking anything new. Related articles What are common things I should NOT take while taking Evens fiber? Will Evens treatments work for me? Feeling gassy or bloated with fiber? Can you take too much fiber? When is support available? Comments 0 comments Article is closed for comments.