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I didn't mention in my earlier post that I am on Metformin with my insulin as my previous DN suggested I should take it anyway because of it's other protective properties. I did stop it for while to check the effect and the lack of it increased my typical BS reading by 1 mmol - not earth-shattering. I still claim that Metformin typically won't have that much effect on BS for anyone with diabetes but is a low-cost drug and does have various 'protective properties including lowering insulin resistance a bit.@Daibell , my brother is LADA/T1 and takes Metformin to increase insulin sensitivity.