I’m a 78 year old type 2 diabetic on Metformin only and also am triggered with tingling, burning and sometimes numbness in my feet. Chocolate, and spicy foods seem to elevate symptoms for me as well. I only use pure stevia minimally, gave up sugar long ago. From the list of supplements I take sublingual B12 methylcobalamin , Magnesium Glysinate, Omega 3 Wild Alaskan Salmon Oil and follow Mediterranean diet. What helped the most however was adding R-ALA 3 months ago. I also wear low pressure bamboo compression socks which helps with my varicose veins.