I'm familiar with methylphenidate as ADHD med, only one with some generic Mefeda which is copy of osmotic Concerta 36mg 2x daily
That means that in one month two boxes of 36mg are prescribed to me and I always take the whole box in couple days (abusing as that is only way to enjoy or to be hyperfocused, or tunnelvision for working after which comes softer crash mediated with l-tyrosine and NAC
for NAC- i hated it as I got 100x100 from my moms from Geermany as her fam doc saw that she has fixation on acetaminophen or paracetamol, so the strange energetic but also anhedonic feeling always present with daily dosing but it restores magic deff for serotogenic drus also.
What am trying to say thata mpg is soft and not neurotoxic as amphs which is mentioned by someone here and......
I
now am without it and actually took mdma and 1plsd and am flying and I never what the f.....Interstellar baybe

, Going to see some ladies bye
dont worry MPH is like NOOOO WAYYY! bye