How do alcoholic drinks affect glucose levels?

Alcohol

Alcohol is made from fermenting carbohydrate (sugars and starches) in different food products such as grapes (wine), apples (cider), barley (beer), and potato (vodka), for example. The alcohol itself can interfere with your liver’s ability to process glucose, especially overnight and increase your risk of hypoglycaemia (hypo) because less glucose is being released from the liver.  

Raised glucose levels

The naturally present carbohydrates or added sugars in a drink will raise glucose levels while you are drinking. You may also be eating a meal, perhaps a restaurant or takeaway meal, or extra snacks like nuts/crisps at a bar, so you may notice an extra rise in your glucose levels. 

Risk of hypo

There is an extra risk of hypo if you are also more active when you have been drinking, for example, you go dancing or have sex. We need to know both how much carbohydrate there is in our drinks and the alcohol content to understand the way our glucose levels are affected. 

Click on or hover over these drinks to see how much CHO there is in each:

Mulled Wine 

Medium glass (175ml)
3O grams

Cocktails

Various (125ml - 200ml) glass
up to 40 grams

Pimms with Lemonade

(250ml) tumbler
25 grams

Whiskey 

Single Measure (25ml)
O grams

Red Wine

medium glass (175ml)
trace

Beer

(1Pint)
10 grams

Click on the item below for more information:

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8 thoughts on “How do alcoholic drinks affect glucose levels?”

  1. Being a type 1 diabetic who has been warned not to drink alcohol this is only of limited value to me but it is interesting that CHO alcohol drinks do not necessarily have similar results to CHO in food.

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