In a way I’m a bit envious that you tolerate metformin well and see positive effects. I was on metformin for about 10 years and getting off of it was one of my major drivers for going LCHF. I think I tried every variation of metformin, and had the best luck with the 750 ER, but it seemed like I was always flirting with intestinal problems the whole time I was taking it. The dose I took at dinner was the least problematic.
If you continue to tolerate some carbs well, then it may be that your metabolic challenge is more one of glucagon dysregulation rather than carbohydrate intolerance.
I suspect many like me, who have struggled for years with T2D likely face both conditions to one degree or another. It would be interesting to unravel and isolate the various mechanisms. For me, removing nearly all the carbs seems key to appetite regulation, eliminating plant based foods and fiber helped tremendously with stable energy and body composition, but for me, higher protein intake does prevent my blood sugar from dropping to completely normal levels, indicating perhaps some challenges in regards to glucagon signalling GNG to stop.
I’m curious, and still have a bunch of metformin 750 ER on hand… but I think I’ll let my current “moderated protein zero-carb carnivore” experimant continue for a while and see where it takes me.
Good luck in your experiment with re-introducing some carbs. I hope it brings you the energy you are looking for without bringing back any of the demons. Thanks for sharing and please continue to report back.