Yes, you can fend off cancer more effective (or even with very minimal chemotherapy) with your own “Natural house keeping mechanism” in your own body.
You can start your own research with “2016 nobel prize in physiology or medicine”.
Or if you want to start with something more practical, you can start your own research with “Dr.Valter Longo”.
There’re huge information for this health pill rabbit hole, so I can’t digest everything for you (especially if you walled yourself from understanding them). Its your own and your loved ones health (not mine) so you should DYOR.
I’m not forcing you to do the research, its your choice to take the pills.
Ps. I’m not forcing you to trust this, I’m actually a licensed pharmacist (I mainly work in industrial sector, not clinical tho, but I also work in clinical sector as part-time).
And I found a lot of these “natural house keeping mechanisms” make more senses than a lot of clinical practice guidelines. 