These three are the axis of evil in the nutrition world. They are all new introductions to the human diet, especially in the forms they are most eaten in (processed flour, table sugar and High Fructose Corn Syrup and vegetable oils).As we already know, grains (especially in a highly processed form) not only raise insulin levels but can damage the lining of the gut, even in those with no official celiac disease. Grains also cause inflammation in the body and can initiate an immune response.
Note that these medications used to treat type 2 diabetes are typically not used in pregnant or breastfeeding women. At present the only recommended way of controlling diabetes in women who are pregnant or breastfeeding is by diet, exercise, and insulin therapy. You should speak with your health-care professional if you are taking these medications, are considering becoming pregnant, or if you have become pregnant while taking these medications.