If you are a woman try www drosperinone - slynd . I didn’t stutter at all while I was on it. If you are male or female I guess try Prozac. I read several studies where this helps. I am a 51 and went through speech therapy for 13 years as a child. It’s helps some but not entirely. I personally have a lot of food allergies and notice when I eat gluten more specifically bread and butter or mini powdered donuts, it effects my central nervous system and I get tired but can speak without stuttering for the most part. I’m sorry it’s hard for all of us!