Like "Metformin manages to control the amount of sugar in the blood in three distinct ways. Firstly it works on the food that you eat. With the number of people saying it gives them stomach problems, I would take it during my meals. Less problems. Many , just thinking of taking a pill , make the queasy. Then they blame it on the medicine. And with Metformin , it's a shame , because it's one of the best type 2 drugs available. And when you stop it and take another diabetic drug , you are entering the danger zone. Metformin appears to work in three ways. First, it decreases the absorption of dietary carbohydrates through the intestines. Hope My answer is helpful for you.... "