That's the problem: we don't know what ME is, so we don't know what is theoretically worth trying. For me, the things that worked really well still don't have a theoretical basis for why they work. Thus, if I'd limited myself to theoretical treatments, I wouldn't have encountered them. My recommendation is to try lots of different things, and pay attention to any changes in your symptoms. FWIW, all the things that worked for me showed an effect within hours rather than several days or longer, which made it easier to find ones that worked. Maybe I've tried treatments that would work, but which I'd have to take for several months before noticing an effect, but I gave up on them after a few days or weeks. I can't try every potential treatment for months or years, so I just don't bother worrying about missing those.
BTW, antioxidants either did nothing for me or made my symptoms worse, so I don't consider them a strong candidate for treating ME.