Challenging chemo: https://www.icnr.com/articles/ischemotherapyeffective.html Australia has a study that's pretty damning. Is that one of these practices listed?
the website you linked reads like homeopathic conspiratorial junk. I would be wary of anything they cite
Most of it didn't work, and caused severe side effects.
This is from the British Medical Association: https://www.bmj.com/content/357/bmj.j2097
This is from the Royal Society of Medicine: https://journals.sagepub.com/doi/full/10.1177/01410768187968...