Physical activity, a healthy diet and not smoking in addition to medication help control type 2 diabetes. But there’s more to it than that. For many years, researchers in the United States have studied the potential benefits of green tea. Some have shown a link between drinking green tea and a lower risk of diabetes, others that drinking green tea improves glucose control and insulin sensitivity. Green tea is high in antioxidants that protect the body’s cells, as well as polyphenols, which are useful in controlling sugar levels. Green tea (drunk without sugar) is somewhat protective against the development of diabetes (it contributes to body reduction and also reduces insulin resistance). Similar studies have been conducted with coffee. However, it is not caffeine that helps stabilize glycemia, but other substances: polyphenols, chlorogenic acid – reducing glucose absorption, niacin – involved in insulin biosynthesis, ligans – antioxidants, potassium. Coffee (brewed and instant) does not contain sugars, so it can be drunk by diabetics (even with a small amount of milk). In contrast, latte coffee ( with a large amount of milk) should be converted to carbohydrate exchangers. Caffeinated and decaffeinated coffee have similar effects Although research on the effects of food on health is very difficult, there is growing evidence that green tea and coffee can have beneficial effects on some aspects of health, and drinking either beverage can benefit people with type 2 diabetes. Japanese researchers have also reached similar conclusions.
Coffee and green tea have shown positive effects on diabetes prevention. Keep in mind, however, that both drinks have some undesirable effects. Caffeine in coffee and theine in tea can raise blood pressure. Coffee and tea are diuretics (they can have a dehydrating effect, causing the leaching of minerals). They act as stimulants, so they can cause sleep problems. Abusing them is not advisable.
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