Looking for additional help keeping blood sugar lower. Diagnosed in 2003, did the low carb exercise thing for 20 years. Worked pretty well. Then at age 65, things fell apart. Now taking Metformin XR, 2,000 mg daily. Blood sugar regularly reaches 170 and higher after meals. A1C now varies between 6.9 & 6.2. The only OTC supplement that seems to work is about 1,000 micro grams of chromium. (Apparently chromium does not seem to work for everybody?) In my case chromium causes worse and worse diarrhea, until I have to discontinue it after about 2 weeks of use. (I'm reading around the internet that this is common). Anybody found a cure for chromium induced diarrhea?