Short into to First Pass Effect:Interesting.
I make gummies that destroy most of the hard-core tokers who've been smoking years and yet every so often don't touch the odd person that has a normally low tolerance.
Like one guy who's got high tolerance can have 1 gummy at 10mg and be ruined all night and another guy can neck the whole 200mg pack and not feel a thing.
First-Pass Effect - StatPearls - NCBI Bookshelf
www.ncbi.nlm.nih.gov
Then it's CYP450 and finally binding at the endocannabinoid system's receptor sites. Usually all these studies are done by a drug manufacturer so we know. However with cannabis we haven't been allowed to study it so here we are.