How much sugar alcohol can a diabetic have

If you have diabetes, drinking alcohol may cause your blood sugar to either rise or fall. Plus, alcohol has a lot of calories.

If you drink, do it occasionally and only when your diabetes and blood sugar level are well-controlled. If you are following a calorie-controlled meal plan, one drink of alcohol should be counted as two fat exchanges. 

Sugar alcohols are sweeteners that have about half the calories of regular sugar. They occur naturally in certain fruits and vegetables, but some are man-made and are added to processed foods.

Many foods labeled "sugar free" or "no sugar added" have sugar alcohols in them. You might see these names on the ingredient list:

  • Erythritol
  • Maltitol
  • Mannitol
  • Sorbitol
  • Xylitol
  • Hydrogenated starch hydrolysates (HSH)
  • Isomalt

Food companies often combine sugar alcohols with artificial sweeteners to make foods taste sweeter. If you're trying to lose weight, you might benefit from swapping sugar alcohols for sugar and other higher-calorie sweeteners.

Besides being lower in calories, sugar alcohols don't cause cavities, which is why they're used in sugar-free gum and mouthwash. Sugar alcohols also create a cooling sensation when used in large amounts, which works well with mint flavors.

You may see sugar alcohols as ingredients in many lower-calorie and sugar-free foods like energy bars, ice cream, pudding, frosting, cakes, cookies, candies, and jams. And in spite of their name, sugar alcohols aren't alcoholic.

How They Work

Your small intestine doesn't absorb sugar alcohols well, so fewer calories get into your body. But because sugar alcohols aren't completely absorbed, if you eat too many you might get gas, bloating, and diarrhea. Foods that have mannitol or sorbitol in them include a warning on the package that eating a lot of these foods could make them act like a laxative.

Check the Label

To find out if a food or beverage contains sugar alcohols, check the Nutrition Facts Label on the packaging. It shows the amount in grams (g) of total carbs and sugars under Total Carbohydrate and the Percent Daily Value (%DV) of total carbs per serving.

Food manufacturers sometimes include grams of sugar alcohols per serving on the label, but they don't have to. The specific name may be listed, such as xylitol, or the general term "sugar alcohol" may be used. But if the packaging includes a statement about the health effects of sugar alcohols, manufacturers have to list the amount per serving.

If You Have Diabetes

Sugar alcohols can be part of a healthy eating plan when you need to manage diabetes. Unlike artificial sweeteners, sugar alcohols are a kind of carb and can raise blood sugar levels, though not as much as sugar.

You'll need to count carbs and calories from sugar alcohols in your overall meal plan. Foods labeled "sugar free" or "no sugar added" might seem like "free" foods you can eat as much of as you like, but overeating them can make your blood sugar levels very high.

If you're counting carbs and the food has more than 5 grams of sugar alcohols, subtract half of the sugar alcohol grams from total carb grams. For example, if the label lists "Total Carbohydrate 25 g" and "Sugar Alcohol 10 g," do this math:

  • Divide sugar alcohol grams in half = 5 g
  • Subtract 5 g from Total Carbohydrate: 25 g - 5 g = 20 g
  • Count 20 g of carbs in your meal plan

One exception: If erythritol is the only sugar alcohol listed, subtract all of the grams of sugar alcohol from Total Carbohydrate.

If you need help creating a meal plan or managing carbs, ask your doctor or dietitian for guidance.

Show Sources

SOURCES:

FDA: "Sugar alcohols."

National Center for Biotechnology Information, National Institutes of Health: "Nutritional Recommendations for Individuals with Diabetes."

Although alcohol does have an effect on blood sugar levels, with a few precautions and careful management, people with diabetes can also enjoy a drink.

There are also alcohol substitutes for those who abstain.

In fact, diabetes alcohol guidelines are the same as for the general population.

  • Read about alcohol’s effect on blood sugar

The guidelines are two units for women and three units for men. However, it is worth being aware how many units a drink contains.

In some cases, a glass of wine will constitute two units, and a pint of beer can even reach three units.

How much alcohol do drinks usually contain?

If you have diabetes and are wondering how much alcohol you should drink, it is worth reading the following list to see how much alcohol is contained in each type of drink.

One unit (approximate measure) :

  • 1/2 pint of standard strength beer, lager or cider
  • 1 pub shot/optic/measure (50ml) of sherry or vermouth
  • 1 pub shot/optic/measure of spirit (25 ml), eg gin, vodka or whisky.

So if I have diabetes I can drink as usual?

Not quite. People with diabetes need to be extra careful with alcohol.

Alcohol intake significantly increases the risk of hypoglycemia (low blood sugar levels). If your diabetes is already well under control, a moderate amount of alcohol may be fine either before, during or soon after a meal.

Even if you have a drink, this may not influence short-term blood glucose levels. However, there are some precautions to be taken care of.

What do I need to be careful of when it comes to diabetes and alcohol?

Avoid drinking on an empty stomach, as this will quickly increase the amount of alcohol in your bloodstream. Also avoid binge-drinking or sustained drinking, and never substitute alcohol for your meals. All of this can increase the risk of hypoglycaemia.

How will alcohol affect my blood sugar control?

Different alcoholic drinks will have varying effects on your blood sugar It also depends how much you drink. A single alcoholic drink (a 330ml bottle of beer, medium glass of wine) may not have a huge effect on your overall blood sugar.

If you have more than a single drink, most alcoholic drinks will tend to initially raise your blood sugar.

Typically beers, lagers, wines, sherries and liqueurs will have this effect. However, alcohol inhibits the liver from turning proteins into glucose which means you’re at a greater risk of hypoglycemia once your blood sugars start to come down. If you have a number of these drinks, you can expect to see a rise in blood sugar followed by a steady drop a number of hours later, often whilst asleep. People who take insulin, in particular, therefore need to be wary of hypoglycemia.

Each person will have a slightly different reaction to alcoholic drinks so it’s well worth using blood tests to check how your body responds to it.

Is drinking alcohol with diabetes dangerous?

Drinking lots of alcohol is dangerous for anyone. However, with larger amounts of alcohol, serious hypoglycaemia can occur.

Some sources (including Diabetes UK ) advise strict carbohydrate management, perhaps even chips or pizza, if a large amount of alcohol has been consumed.

However, avoiding alcohol in large quantities is the best recourse.

Will I have a hypo whilst drunk?

The symptoms of drunkenness can be very similar to a hypo, which can lead to very dangerous confusion.

Furthermore, if you have been drinking heavily, there may be a risk of hypos for up to 16 hours (or even more) after you have stopped drinking.

Monitoring blood glucose levels closely is an essential part of managing your diabetes in this situation.

What other dangers does alcohol pose for people with diabetes?

Drinking alcohol in high quantities regularly can cause an increase in blood pressure. Furthermore, alcoholic drinks contain calories, and therefore can lead to weight gain. Drinking alcohol can exacerbate neuropathy by increasing pain and numbness.

Low carbohydrate and low-alcohol drinks may be better than standard alcohol, but the dangers still need to be considered.  Often alcohol is mixed with fizzy, sugary drinks that can impact on blood sugars.

So should I drink or not?

Drinking moderately in accord with the recommended guidelines, should definitely not be ruled out. Some alcohol, red wine in particular, may even offer health benefits, not that that means you should take up drinking.

  • Healthy eating, low alcohol intake and reduced sun exposure can combat cancer, evidence suggests
  • Just one alcoholic drink can increase risk of heart rhythm condition, study shows
  • Experts call for ‘vague’ health warnings on alcohol to be updated
  • Daily beer and wine intake beneficial for middle-aged adults, study reveals

Cost of drinking

Calculate the cost of drinking below or visit our Cost of Drinking Calculator for more information.

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How much does sugar alcohol raise blood sugar?

It's 60% as sweet as sugar with about 60% of the calories. It's a common ingredient in sugar-free foods and drinks, including jelly spreads and soft candy. It has very little effect on your blood sugar and causes minimal digestive symptoms when you consume less than 10 grams.

Does sugar alcohol count as sugar?

Sugar alcohols may be found in products that are labeled “sugar-free” or “no sugar added.” This can include sugar-free candies, chocolate, and energy bars. But don't be fooled – sugar alcohols are still a form of carbohydrate, and they still affect your blood sugar levels, if not as dramatically.

How much sugar alcohols is too much?

Most sugar alcohols are considered safe at doses around 10 - 20 g daily but it varies depending on the type. For example, one review found that sorbitol causes diarrhea if ingested in amounts above 20 g. Xylitol, however, has a larger safety dose of up to 70 g per day, with some people tolerating up to 200 g daily.

What is the best sugar alcohol for diabetics?

Xylitol. Commonly found in many fruits and vegetables, xylitol is a sugar alcohol compound that is similar in sweetness to sugar. Xylitol contains 40% fewer calories than sugar at 2.4 calories per gram, and has negligible effects on blood sugar and insulin, thanks to a lack of fructose.