Both my oncologist & the oncology pharmacist said that continuing to take your multi vitamins through treatment including calcium with Vitamin D is a good idea. I also take B-Complex vitamins which they said was ok. B-Complex wards of neuropathy. I am on chemo #6 and still no sign of neuropathy. They advised to stop taking all supplements that I was previously taking including black cumin seed oil, Agaricus Blazei mushroom tincture, turmeric & numerous others. They do not know how many of these supplements interact with the chemo. Some may make the chemo stronger & others may cause the chemo not to work. Going through all this torture, we all want the chemo to work as best it can, right?

I do drink fresh squeezed OJ occasionally but I do avoid the Vit C supplements as I don’t know how it affects the chemo. I have read that Vit C does cause a reaction with many chemo drugs.

Maybe ask your oncology pharmacist? You can also look up drug interactions on drugs.com

Hope this helps!