I am sorry to hear about your loss.

Wow. both radiation and chemo.

I found that cell-food really helped me with the side effects of chemo. It is available in healthfood stores and online

https://www.amazon.com/s/?ie=UTF8&keywords=cell+food+liquid+oxygen&tag=googhydr-20&index=aps&hvadid=267807610016&hvpos=1t1&hvnetw=g&hvrand=2384966859149309874&hvpone=&hvptwo=&hvqmt=e&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9031274&hvtargid=kwd-315336459119&ref=pd_sl_94ojcrdo5w_e