"I've been tested before both by conventional doctor tests and & by two naturopaths and they all found my liver is normal."
"...Accugraph, (vaguely) checks the general state of your organs through accupuncture points ... it found my problem organs which I knew about all along, stomach & small intestine...and apparently low kidney function which I didn't know about."
I'm not critical of anything above but I suspect you are reading too much into the results.
I would not expect your liver results--enzymes-- on typical blood tests to be problematic. I'm not refering to that type of liver problem.
I'm also not referring to the "electrical" problem that is most likely being tested in acupuncture. Dr J Tennant has a facinating video on that subject, including his own recovery from a terminal illness. https://www.youtube.com/watch?v=6XicmDDmVBs
I suspect it is somewhat like a person who complains that their diswasher is not cleaning dishes well. They get the electrician in and he says the dishwasher is fine--from an electrical standpoint.
A repairman from the manufacturer comes in and says the machine is not breaking down mechanically--like the liver enzymes test.
However the problem with the inadequately washed dishes is that you are not adding dish washing detergent! That is a chemistry problem, not problem with the electrical system or mechanical functions of the diswasher.
I'm suggesting that you could be deficient in normal, helpful chemicals that your liver needs to detoxify natural and other chemicals that tend to amp us up. This includes sulfate, methyl donors, etc.
I'm not pretending to know that this is your problem. I'm just sharing leads with you that I've heard from others, from my own experience and from the theoretical chemistry.
I'm surprised that the naturopath did not discuss sulfation, methylation and other Phase II liver processes with you.
Acetylation might be the Phase II process involved in breakdown of caffeine. I too have that problem and it runs in the family.