I have PCOD & PIS....m unmarried having age 28.....I took myotol f for 1 month....due to costly..., i stopped it & doctor gave me metformin 500 mg..... i took metformin for 1 month.... bt someone doubted metformin & its side effects bcz its for diabetic patients.... also my glucose level is 67..... plz tell me about metformin....which medicine i should take......?