When my wife was alive, some people in her group tried it. There's not much evidence.

>> that have promising anti cancer effects

I don't know why people gravitate towards the "simple" remedies for cancer, or pose that money making is a barrier for these remedies. Remember, research costs money! DO the funding yourself if you think there's a miracle cure here. (hint: there's not.)

I am sorry for your loss, you lived through my biggest fear. It must be so frustrating to read this kind of thing over and over.