Thank You! I'll give the B-12 a try - I actually had a B-12 injection before I started this trial because it was a requirement for the other drug in the trial, Alimta. I'm also taking Folic Acid.
Since I first wrote I did develop another side effect of the Sutent - I had a blister like rash on my fingers and hands - it looked like a burn. Turns out it is a known side effect of Sutent but not the most common skin problem. They took me off the drug for a week and I used a steroid cream and it's healing now. I still have the fatigue, and my taste is a bit off.
The best news of all is that I had my first scans since starting the Sutent, and they showed improvement! That's the first time since I've started treatment that there was improvement. So I'm staying on Sutent for now - I'm still at 37.5 mg daily.
I hope you continue to do well too.