You should always ask your doctor. But be aware than many don't know much about nutrients. You may be lucky if yours does.

I recall an oncologist who came in with his wife one day, and I was suggesting things to help her. She was pleased and introduced us. Turns out HE was asking ME about nutrients.

Over the years I have had breast cancer patients do well on flaxoil to protect during chemo. But once a doctor told a gal online never to use that! So where the truth lies, is often murky!

Basically chemo attacks the mitochondria of normal cells. There are studies showing acetyl carnitine can be protective before and during chemo.
Here is a recent paper 2009 on protecting kidneys during chemo:
http://www.ncbi.nlm.nih.gov/pubmed/1...m&ordinalpos=1