High levels of sugar in the blood can cause tiredness, heart disease, strokes, blindness, nerve damage and kidney disease. past studies have shown that natural chemicals found grape skin and wine called polyphenols can help the body control glucose levels, and prevent potentially dangerous spikes or dips in blood sugar.. Resveratrol, found in red wine, was found to lower blood sugar levels and improve insulin levels when injected directly into the brains of mice fed very high-calorie diets in a study conducted by researchers at the university of texas southwestern medical center (utsw)..

A glass of red wine has a low glycemic index, which means that it has very little effect on raising blood sugars. this is why he should not drink alcohol without eating, as his blood sugar can drop very low. to help lower his blood sugar and lose some weight, he should try some exercise, such as walking..

Researchers have shown that red wine and tea may both hold promise for regulating the blood sugar of people with type 2 diabetes. levels of blood glucose rise sharply in patients with type 2 diabetes immediately following a meal.. A man holds a glass of red wine. photo credit: ciaran griffin/stockbyte/getty images foods that contain carbohydrates and alcohol, like dry red wine, are especially likely to affect blood sugar, also called blood glucose levels..

A man holds a glass of red wine. photo credit: ciaran griffin/stockbyte/getty images foods that contain carbohydrates and alcohol, like dry red wine, are especially likely to affect blood sugar, also called blood glucose levels.. Resveratrol, found in red wine, was found to lower blood sugar levels and improve insulin levels when injected directly into the brains of mice fed very high-calorie diets in a study conducted by researchers at the university of texas southwestern medical center (utsw)..