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Does Metformin XR (ER) take time to be effective? I have started it 3 days back and don't see much difference in my results.
Thanks.Metformin has to accumulate in your system and can take up to a month or so. I also found at the lower doses 500, 1000 and 1700 mg the metformin was not effective for me. It wasn't until I raised it to 2550 mg in 3 doses of 850 that it really started to work. Also have you made diet changes, it works much better on a low carb diet and if you exercise regularly.
I have started to take 1000mg twice a day.How much are you taking? If the dose isn't high enough you may need to increase it.