This is so interesting! I am newly diagnosed and had noticed some tingling and discomfort in my feet but also muscle pain in around my shoulder blade. I had started a B12 supplement without knowing any of this, and had totally changed my diet in the last month and have kept my BG under 140 almost all of the time. I have been out of town and had not taken my supplement for about 10 days. I was just noticing that my feet and shoulder were hurting again and wasn't sure why. Now I am wondering if it is the B12??? 
That is terrific . . . thanks for taking the time to come & give us the good news, Alura!