I tried them. It fucked with my gut, my sleep, and my personality... same thing happened to my son who was encouraged to take them by his mom.
Bottom line is almost anyone I've ever known who was prescribed ADHD meds didn't want to keep taking them and stopped at some point; only exception being my sister who is on more of a broad spectrum anxiety/depression med that also may treat ADHD.
This is how I got into mixed drinks, no noke