i have a theory on this, fasting boosts neuroplasticity, which is when your brain can change its structure making it easier for you to learn new habits, fasting boosts neuroplasticity 400% and tumeric boosts it a lot too. so i can imagine that if you’re combining fasting with speech therapy (whether it be your own or an actual group) you might be able to train your brain to speak more fluently, it’s just a theory tho Edit after reading other comments: the other people commenting don’t fast for the primary benefit of helping a stutter, if you were to fast regularly as well as making an active effort to change the way you speak i’m confident you would see your speech improve