What effect does coffee have on blood sugar?

Coffee is favored by many young people. The caffeine contained in it has a refreshing effect and can also dispel fatigue, but diabetics must be cautious when drinking coffee.

The effect of coffee on blood sugar
People with diabetes can drink unsweetened coffee. In fact, coffee itself does not contain any sugar. Even drinking can have no big effect on blood sugar. However, some instant coffee on the market will add appropriate sugar in order to improve people’s taste. Not suitable for diabetic patients. Drinking coffee should not exceed one cup a day. Proper coffee can increase the basal metabolic rate, improve insulin tolerance, and improve the body’s tolerance to glucose and help stabilize blood sugar. If you drink too much coffee, it will affect the stability of blood sugar, you can not drink coffee 6 hours before going to bed, so as not to affect sleep.

Drinking coffee for a long time will make the body accumulate more and more coffee, reduce the function of insulin lowering blood sugar, stimulate the release of hormones, and also hinder the transport of blood sugar into fat and muscle, which is not conducive to the stability of blood sugar. People with diabetes have more urine, and hypertonic urine will take away some of the phosphorus and calcium, which is prone to calcium deficiency. Coffee has the effect of diuresis. Caffeine is combined with free calcium ions in the body. It is excreted through the urine. A large amount of coffee will inevitably lead to the loss of calcium.

What drinks can you drink with high blood sugar?
1, green tea

The special function contained in green tea can help control blood sugar. The catechol contained can reduce the content and concentration of triglyceride in serum, help reduce blood sugar, and tea polyphenols in tea can also inhibit blood sugar.

2, soy milk

Soymilk is mainly made from soybeans, and the soy protein contained in it is a vegetable protein that helps reduce blood fat. Soy isoflavones contained in soybeans can regulate sugar metabolism, and dietary fiber can prolong stomach emptying, slow down postprandial blood sugar, and help stabilize blood sugar. It also removes some of the risk factors that trigger blood sugar fluctuations.

3, milk

Milk is rich in trace elements of vitamins, water and protein, which can provide adequate nutrition for patients, the normal index is relatively low, and will not affect blood lipids. Just drink 400 ml of milk a day.


People with high blood sugar should maintain a low-sodium and high-fiber diet. They should not eat more than 6 grams of pigment per day. Eat more soluble cellulose, which can improve the metabolism of cholesterol and sugar, while helping to reduce weight and limit starch intake. Stay away from high sugar and high calorie foods.