I’ve tried many different things to improve it, even went as far as trying loads of different combinations of supplements which had a placebo effect for around 5 days. Was the happiest 5 days of my life lol. All my speech therapists each ended the rounds of therapy telling me that I’ll grow out of it or have you tried meditation “because we can’t help this” I even tried hypnotherapy. Seems like I’m a lost cause but I’ve never gave up looking for new ways to improve my speech :)