I am metformin 500 morning and night when I take my tablets of a morning I am instantly tired my eyes go a bit funny for awhile but the tiredness I don’t understand I am on a low carb diet I have lost two stone and only off one pound for my target weight I’ve been taking off all my other medication I am waiting for my new for my next H DA1C my starting figure was 118 in December in March It was 58 everyone very pleased with that outcome my next blood test is in June I’m not sure whether I should phone the doctor to ask him about Medication too high for my weight and my blood sugar thanks everybody