How does coffee and tea affect blood sugar?

Who doesn’t love some morning coffee? Or, on cold days, a nice hot cup of tea. Does drinking coffee or tea affect one’s blood glucose levels? Should healthy adults be concerned about coffee or tea and blood glucose levels? The Mayo Clinic says that for healthy adults, caffeine will probably have no noticeable effects on their blood sugar or blood glucose levels. Studies have found that up to 400 milligrams of caffeine is safe for most of us. A cup of coffee has about 120-180 milligrams of caffeine and most adults drink about 2 cups of coffee a day. FDA says healthy adults can consume up to 400 mg of caffeine a day which equates to about 4-5 cups of coffee a day, or 10 cans of soda , or 2 “energy shot” drinks. (See: Caffeine – good or bad for your health? ) Can drinking coffee or tea reduce chances of getting type 2 diabetes? Some studies have found that coffee, tea, and other drinks with caffei...