Hi and welcome
@Veronica44 trouble that I found with Metformin was that when I went low carb and did intermittent fasting it caused dreadful gastric upset for me. I had to give it up but luckily as the low carb and fasting had such a powerful effect on my bg numbers bringing hbaca1 down to 33 -despite having given up Metformin - so now it’s diet only management for me no more Metformin needed and diet only can work. My hbaca1 was 97 on diagnosis btw
What was your hbaca1 on diagnosis? It may be possible to agree with your dr or dn to give diet a chance first to see if it could get your bgs down? Once I stopped taking Metformin my stomach probs resolved immediately good luck and do discuss with dr or dn as gather can take a slow release version too.