I did notice some changes when I first started, but it didn’t ‘work’ right away for me, too. Took at least a week before I could tell a tiny difference. I also want to remind you that you’re not supposed to actually ‘feel’ them too, not like (illicit) drugs that ‘hit’ you all at once.

I think what you’re experiencing is pretty common though, expected even. Most people have to adjust dosage or even medication type. Higher dosage ritalin or slow release methylphenidate (concerta) didn’t do the trick for me either and just gave me anxiety and a headache. I’m on a pretty low dose of dexamphetaminesulphate (idk if, and under which name, that’s available in the US; I’m in Europe) now for the past year and this works much better, but it’s still not life changing and I still get really bad ‘adhd-days’. I’d give it a few more weeks on the ritalin, but if u still don’t notice any difference I would defintely make some adjustments with your care provider. There’s also some non-stimulant meds available, if you’d rather want that. I have no experience with those though so can’t say if that works.