Lost half my toenails recently. Diabetes after 22 years starts taking it's toll. Very hard on my feet, which hurt all the time. Was starting to have this issue my last year at FedEx. That and out of control blood sugar. My body no longer produces insulin. Serious enough that I was being closely monitored by agency that watches these things until FedEx made my route non-DOT. Could possibly have stroke while driving. But no, am not applying for disability. Instead I'm here fasting, eating one meal every other day in hopes of reversing the diabetes. Sometimes eat a meal every day, but in the last 19 days have only had 13 meals. You asked.
I've been diabetic for 40 years and taking insulin for 25 years. You need to go see a diabetic doctor unless you just don't care (That's OK as well).
I had control problems for about four years until a year ago. The doctor tried several different approaches that did not work. He finally put me on Humulin-R U-500 which is 5 times more concentrated than normal insulin.
That worked and as to how and why, I was taking over 500 units per day with Humulin-R U-100 and my body was rejecting it because it was too much 'volume'. The injected insulin forms a 'blip' which the body tries to isolate and the larger the 'blip' the easier it is for the body to isolate.
I also started about 6 months ago of never injecting more than 50 units of U-500 in any injection spot and I started rotating the locations to other parts of my body that had a subcutaneous fat layer.
Another point I would argue is that eating 6 smaller meals a day increases the ability of the body to 'recognize' the insulin.
Exercise really helps to increase the body's ability to recognize and use insulin. Walking is a good exercise for a diabetic.
Don't give up Man ... my A1C readings were over 10 for several years and my last two A1Cs were 6.1 and 6.5!
My kidney functions are at 85% which is actually better than normal persons my age ... I was concerned when my doctor told me it was 85% and then he told me that was a good reading for my age. I attribute that to drinking lots of liquids, mostly water and PowerAde Zero, ... up to 2 1/2 gallons per day. 2 gallons a day is a lot but keeping the kidneys flushed is something I have concentrated on ever since high school.