junkie skumbag
Bluelighter
You could be one of the lucky ones that is really efficient at using codeine but i think if you continue to increase your dose you will find that you reach a plateau where more codeine does not produce more results. Everything but the 400mg i am 99% sure on but if i remember correctly the mean maximum efficient dose was 460mg...or thereabouts
i know way too many people who dose more than 400mg and feel more than a 400mg dose effects for it to be just me man

edit: a friend of mine may he RIP (used to take silly silly doses of codeine until one day he pushed it too far and he deaaad)anyways if he was to take 400mg he wouldnt feel A THING
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