The effect of caffeine on various body functions is always a topic of interest for researchers. This is more significant because of the fact that everyone loves to sip a cup of coffee, no matter what the time is. People with diabetes are usually more doubtful about the effects of coffee on blood sugar. Two average cups of coffee itself contain around 280 milligrams of caffeine. So, in such a case, does coffee really affect the blood sugar level?
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There are many studies conducted on this topic. The interesting fact is that different studies come out with different conclusions. However, majority of the studies claim that too much of caffeine can cause an increase in the blood glucose level. The fluctuation in blood glucose level is not found to be much when consuming low levels of caffeine.
Hence, the best option to enjoy your favourite drink without the fear of its effect on blood sugar will be to control the amount of coffee intake. It is shown in studies that taking up to 400 milligrams of caffeine a day is safe for non-diabetic people. However, if you already have diabetes, it is better to limit the intake of caffeine for keeping the blood glucose level checked in its normal range.
Here we will discuss more about the effects of coffee on blood sugar level. Does coffee affect blood sugar? This will no longer be a big question, if you understand the way how caffeine acts on the blood glucose level.
Lowers Insulin Sensitivity
Some short-term metabolic research studies have showed that intake of too much of caffeine can cause a decrease in the insulin sensitivity. Because of this, the cells fail to get the effect of insulin, resulting in an increased blood level of glucose. However, lower levels of coffee consumption doesn't have any effect on the insulin sensitivity.
Impaired Glucose Tolerance
Increased intake of coffee can cause impaired glucose tolerance. This changes the blood glucose levels significantly. The normal mechanism of the body to process glucose can be impaired, resulting in a noticeable fluctuation in the blood sugar concentration.
Caffeine And Carbohydrate
Another study about the effects of coffee on blood sugar came with an interesting finding. This study showed that the concentration of blood glucose increases significantly when people, who have diabetes, eat carbohydrates immediately after drinking coffee.
Transient Insulin Resistance
Intake of coffee can cause a state of insulin resistance for a short period of time. This is called transient insulin resistance. This is considered as one of the major reasons for an increase in the blood glucose level after drinking coffee. When carbohydrate is consumed after coffee, the short-term insulin resistance can cause an increase in the blood glucose level.
Coffee, with too much of caffeine, can cause an increase in the adrenaline level. Adrenaline is a hormone that has an effect on the blood glucose level. Increase in the adrenaline level can cause a temporary rise in the blood glucose level. However, this effect is only for a short period of time.
While studies show that coffee can cause a temporary increase in the blood glucose level in diabetic people, there are many other studies, which suggest that long-term intake of coffee can decrease the chance of getting diabetes in non-diabetic people. What is your experience? Do share with us.