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Snacking when you have diabetes

Healthy snacking - diabetes; Low blood sugar - snacking; Hypoglycemia - snacking

 

Blood Sugar and Food

When you have diabetes, you need to control your blood sugar. Insulin or diabetes medicines, as well as exercise in general, helps lower your blood sugar.

Food raises your blood sugar the most. Stress, certain medicines, and some kinds of exercise can also raise your blood sugar.

The 3 major nutrients in food are carbohydrates, protein, and fat.

  • Your body quickly turns carbohydrates into a sugar called glucose. This raises your blood sugar level. Carbohydrates are found in cereal, bread, pasta, potato, and rice. Fruit and some vegetables like carrots also have carbohydrates.
  • Protein and fat can change your blood sugar too, but not as fast.

If you have diabetes, you may need to eat carbohydrate snacks during the day. This will help balance your blood sugar. This is especially important if you have type 1 diabetes.

Planning Ahead

 

Learning how to count the carbohydrates that you eat (carb counting) helps you plan what to eat. It will also keep your blood sugar under control.

Your health care provider may tell you to eat a snack at certain times of the day, most often at bedtime. This helps keep your blood sugar from getting too low at night. Other times, you may have a snack before or during exercise for the same reason. Ask your provider about the snacks you can and you can't have.

Needing to snack to prevent low blood sugar has become much less common because of new types of insulin that are better at matching the insulin your body needs at specific times.

If you have type 2 diabetes and are taking insulin and often need to snack during the day, your doses of insulin may be too high and you should talk to your provider about this.

You will also need to ask about what snacks to avoid.

 

Snacks for a Purpose

 

Your provider can tell you if you should snack at certain times to keep from having low blood sugar.

This will be based on your:

  • Diabetes treatment plan from your provider
  • Expected physical activity
  • Lifestyle
  • Low blood sugar pattern

Most often, your snacks will be easy to digest foods that have 15 to 45 grams of carbohydrates.

Snack foods that have 15 grams (g) of carbohydrates are:

  • Half cup (107 g) of canned fruit (without the juice or syrup)
  • Half banana
  • One medium apple
  • One cup (173 g) melon balls
  • Two small cookies
  • Ten potato chips (varies with size of chips)
  • Six jelly beans (varies with size of pieces)

 

Snacks for Enjoyment

 

Having diabetes does not mean that you must stop eating snacks. It does mean that you should know what a snack does to your blood sugar. You also need to know what healthy snacks are so you can choose a snack that will not raise your blood sugar or make you gain weight. Ask your provider about what snacks you can eat. Also ask if you need to change your treatment (such as taking extra insulin shots) for snacks.

Snacks with no carbohydrates change your blood sugar the least. The healthiest snacks usually DO NOT have many calories.

Read food labels for carbohydrates and calories. You can also use carbohydrate counting apps or books. Over time, it will get easier for you to tell how many carbohydrates are in foods or snacks.

Some low carbohydrate snacks, such as nuts and seeds, are high in calories. Some low carbohydrate snacks are:

  • Broccoli
  • Cucumber
  • Cauliflower
  • Celery sticks
  • Peanuts (not honey-coated or glazed)
  • Sunflower seeds

 

 

References

American Diabetes Association. Carbohydrate counting. Diabetes.org. Updated March 11, 2015. www.diabetes.org/food-and-fitness/food/what-can-i-eat/understanding-carbohydrates/carbohydrate-counting.html. Accessed August 22, 2016.

American Diabetes Association. Standards of medical care in diabetes-2016: summary of revisions. Diabetes Care. 2016;39 Suppl 1:S4-S5. PMID: 26696680 www.ncbi.nlm.nih.gov/pubmed/26696680.

Evert AB, Boucher JL, Cypress M, et al. Nutrition therapy recommendations for the management of adults with diabetes. Diabetes Care. 2013;36(11):3821-3842. PMID: 24107659 www.ncbi.nlm.nih.gov/pubmed/24107659.

 

        A Closer Look

         

          Talking to your MD

           

            Self Care

             

            Tests for Snacking when you have diabetes

             

               

              Review Date: 8/7/2016

              Reviewed By: Brent Wisse, MD, Associate Professor of Medicine, Division of Metabolism, Endocrinology & Nutrition, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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