Azara Blog: Caffeine allegedly increases blood sugar levels for type 2 diabetics

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Date published: 2008/01/28

The BBC says:

Daily consumption of caffeine in coffee, tea or soft drinks increases blood sugar levels for people with type 2 diabetes, research suggests.

Caffeine pills equivalent to four cups of coffee a day increased blood sugar levels by 8% over the day, US researchers report in Diabetes Care.

Cutting caffeine out of the diet may help diabetics control their blood sugar levels, the team said.

But UK experts said more research was needed before advice could be given.

The ten people who took part in the study were monitored with a tiny glucose monitor embedded under the skin.

The device meant that the researchers could track the effects of caffeine over 72-hours as the patients with type 2 diabetes went about their normal lives.
In the diabetic patients, who took caffeine pills on one day and a placebo the next, caffeine caused blood sugar levels to rise.
Cathy Moulton, care advisor at Diabetes UK, said: "Although this is interesting research, the study only examines a sample of 10 people for a 72-hour period, which proves very little.

"More research is needed before we ask people with diabetes to stop drinking coffee.

"The best way to control glucose levels is through healthy eating and exercise."

As Moulton says, the result so far is of limited scope, but it is interesting.

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