Nutrition and Health

Does Cucumbers Raise Or Lower Your Blood Sugar?

To determine a food’s impact on blood sugar, it’s important to understand the concept of the glycemic index. The glycemic index (GI) measures how quickly a carbohydrate-containing food raises blood glucose levels. Foods are ranked on a scale of 0 to 100 based on how they compare to the glycemic response of pure glucose.

Foods with a high GI value cause a rapid spike in blood sugar. Examples include processed grains like white bread, sugary drinks, and starchy produce like potatoes. Foods with a low GI value cause a slower, more gradual rise in blood glucose. These foods include whole grains, nuts, beans, lentils, and non-starchy vegetables.

The Glycemic Load Takes Portion Size Into Account

While GI offers valuable insights, it doesn’t consider the quantity of carbohydrates consumed. This is where glycemic load (GL) adds an important dimension. GL accounts for the carbohydrate content in a typical serving size.

A food may have a high GI, but if the carbohydrate content is low, then the glycemic load will be low. When assessing a food’s impact on blood glucose, glycemic load gives a more complete picture.

Are Cucumbers Good For Blood Sugar?

Cucumbers are an excellent choice for people with diabetes because they have a GI value of just 15, making them an extremely low glycemic food. Their glycemic load is nearly zero. This makes cucumbers an excellent choice for controlling blood sugar.

A 1-cup serving of sliced cucumbers contains:

  • Calories: 16
  • Total carbohydrates: 3.6 grams
  • Sugars: 1.9 grams

With only 0.8 grams of digestible carbs per cup, cucumbers will not lead to fluctuations in blood glucose or insulin. This applies to both regular cucumbers and unwaxed English (hot house) cucumbers.

Benefits of Cucumbers for Diabetes Management

For people with diabetes or prediabetes, cucumbers offer several advantages:

1. A hydrating non-starchy vegetable

Staying well-hydrated is vital for blood sugar control, as dehydration can cause glucose levels to rise. With their high water content, crunchy cucumbers can help hydrate the body without additional calories or carbs.

2. Nutrient-dense

While low in calories and carbs, cucumbers contain beneficial antioxidants like vitamin C, vitamin K, and manganese. They also provide small amounts of vitamin A, magnesium, potassium, and copper.

3. Satisfies cravings

With their refreshing, juicy crunch, cucumbers can satisfy a craving for something savory or sweet. Chewing crunchy foods also curbs the appetite by improving satiety.

4. Versatile and convenient

Cucumbers work well in salads, sandwiches, smoothies, juices, and as a crunchy, hydrating snack. They require no prep work beyond a quick rinse or peel.

Tips for Incorporating Cucumbers Into a Diabetic Diet

Here are some easy ways to enjoy cucumbers as part of a blood sugar friendly diet:

  • Toss thin slices into leafy green salads, grain bowls, or tacos. Try pairing them with proteins like grilled chicken, salmon, chickpeas or beans.
  • Blend into smoothies, gazpachos or juices for extra hydration and nutrients without spiking blood sugar.
  • Serve raw with hummus, tzatziki sauce, or a drizzle of balsamic vinegar and olive oil for an easy appetizer.
  • Add sliced cucumbers to sandwiches in lieu of high-carb ingredients like bread, tortillas or condiments.
  • Infuse water with sliced cucumbers, mint and citrus for a refreshing, sugar-free beverage.
  • Make quick refrigerator pickles with thin slices for a probiotic-packed snack.

When shopping, look for firm cucumbers without wrinkles or soft spots. Store unwashed cucumbers in the crisper drawer, where they will keep for 1-2 weeks. Enjoy this versatile veggie daily as part of a balanced diet for diabetes management.


With their high water content, essential nutrients, and ultra low glycemic impact, crunchy cucumbers make a smart choice for anyone looking to manage their blood sugar levels.

Research also suggests compounds found in cucumbers may aid in glucose control by improving insulin response, decreasing sugar absorption, reducing inflammation and exerting antioxidant effects.

Try incorporating sliced or spiralized cucumber into salads, smoothies and sandwiches for added nutrition without affecting your blood sugar. When consumed in moderation as part of balanced diabetic diet, crunchy, hydrating cucumbers can be a refreshing way to help maintain normal blood glucose levels.

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