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Understanding How Many Carbs Are in Cucumber Slices?

3 min read

Made of 95% water, cucumbers are a highly hydrating and low-calorie food. For those counting macros, knowing precisely how many carbs are in cucumber slices? is key to a successful nutrition plan, especially for low-carb or ketogenic diets.

Quick Summary

Cucumber slices contain very few carbohydrates, making them an excellent choice for low-carb and keto diets. They are also packed with water, vitamins, and minerals that support overall health and hydration. This popular, versatile vegetable is perfect for bulking up meals without adding calories.

Key Points

  • Low in Carbs: A cup of sliced cucumber has a very low net carb count, making it ideal for low-carb and keto diets.

  • Excellent for Hydration: With a water content of approximately 95%, cucumbers help keep you hydrated and feeling full.

  • Rich in Antioxidants: The vegetable contains beneficial compounds like cucurbitacins and beta-carotene, which protect against oxidative stress.

  • Nutrient-Dense: Cucumbers provide important vitamins and minerals, including vitamin K, vitamin C, and potassium.

  • Digestive Aid: The combination of fiber and high water content promotes healthy digestion and regular bowel movements.

  • Versatile Ingredient: Cucumber slices can be used as a low-carb alternative to crackers, blended into smoothies, or added to salads.

In This Article

Carb Count in Cucumber Slices

According to the USDA, a single cup of raw, sliced cucumber contains approximately 3.8 grams of total carbohydrates. This makes cucumber a highly favorable option for anyone following a low-carb or ketogenic diet, where carbohydrate intake is carefully managed. A half-cup serving, which is a common snack portion, contains almost 2 grams of carbohydrates. These numbers demonstrate why cucumbers can be enjoyed in liberal amounts without significantly impacting daily carb limits.

Total Carbs vs. Net Carbs

When analyzing the carb content of food for diet purposes, it's important to distinguish between total and net carbs. Total carbs include both fiber and sugar, while net carbs are the total carbs minus the fiber. Net carbs are what the body actually absorbs and uses for energy, which is why they are a crucial metric for keto dieters. A cup of sliced cucumber with the peel provides about 0.5 grams of fiber, which brings the net carb count to around 3.3 grams. This low net carb figure is what makes cucumber a keto-friendly vegetable.

Nutritional Profile Beyond Carbs

While the low-carb count is a major draw, cucumbers offer a host of other nutritional benefits that make them a healthy addition to any diet. Their high water content, at around 95%, is excellent for promoting hydration and helping you feel full. But the benefits don't stop there:

  • Vitamins and Minerals: Cucumbers contain essential nutrients like vitamin K, vitamin C, and potassium. Vitamin K is vital for blood clotting and bone health, while vitamin C is a powerful antioxidant that supports the immune system.
  • Antioxidants: Cucumbers are rich in antioxidants, including beta-carotene and cucurbitacins, which help fight off free radicals and reduce oxidative stress.
  • Digestive Health: The combination of high water and fiber content aids in digestion and can prevent constipation by promoting regular bowel movements.

Cucumber vs. Other Low-Carb Vegetables

To put the carb content of cucumbers into perspective, here is a comparison with other popular low-carb vegetables. All values are approximate per 100g serving, as detailed in various nutrition databases.

Vegetable Total Carbohydrates Fiber Net Carbs
Cucumber 3.6 g 0.5 g 3.1 g
Celery 3.0 g 1.6 g 1.4 g
Spinach 3.6 g 2.2 g 1.4 g
Zucchini 3.1 g 1.0 g 2.1 g
Bell Peppers 5.9 g 1.2 g 4.7 g

As the table shows, cucumber is comparable to other low-carb superstars like celery and spinach. While some vegetables may have slightly lower net carbs due to higher fiber content, cucumber's high water content and refreshing flavor make it a unique and valuable part of a balanced diet.

Ways to Incorporate Cucumber into a Low-Carb Diet

Its mild flavor and crisp texture make cucumber incredibly versatile. Here are some simple ways to add more cucumber to your low-carb meals:

  • Use as a low-carb cracker alternative: Swap out high-carb crackers for thick cucumber slices. Top them with cheese, smoked salmon, or a keto-friendly dip like hummus.
  • Make a refreshing salad: A classic Greek cucumber salad with feta, olives, and a light vinaigrette is a perfect keto meal.
  • Infuse your water: Add cucumber slices and mint to water for a natural, hydrating, and flavorful drink.
  • Blend into smoothies: Combine with spinach, a green apple, and a protein powder for a nutritious and hydrating breakfast smoothie.
  • Create simple boat snacks: Scoop out the seeds and fill cucumber boats with creamy chicken salad or tuna salad for an easy, protein-rich snack.

Conclusion

In summary, the number of carbs in cucumber slices is exceptionally low, making them a superb choice for a low-carb or ketogenic diet. A single cup of raw, sliced cucumber contains just over 3 grams of net carbs, but it's the nutritional completeness that truly makes it shine. Beyond just a low-calorie addition, cucumbers offer antioxidants, essential vitamins, and superior hydration properties. By incorporating them creatively into your meals and snacks, you can enjoy a crisp, refreshing, and nutrient-dense food that supports your health goals.

Maximize your nutrient intake by keeping the peel on when possible.

For more information on the health benefits of cucumber, explore the research provided by Healthline.

Frequently Asked Questions

Yes, cucumbers are very keto-friendly due to their low carbohydrate content. With only about 3 grams of net carbs per 100g serving, they can be a regular part of a ketogenic diet.

Eating unpeeled cucumber maximizes its nutritional value, including fiber, which slightly lowers the net carb count compared to peeled slices. Both are excellent low-carb choices.

Because cucumbers are so low in carbs, you can generally eat them frequently without concern. For most people, a few servings of sliced cucumbers per day will easily fit within their daily carb allowance.

No, cucumbers are a non-starchy vegetable with a low glycemic index, meaning they are not likely to raise blood sugar levels. They are a recommended food for managing diabetes.

Beyond their low carb count, cucumbers offer benefits like promoting hydration, providing antioxidants, supporting bone health with vitamin K, and aiding in weight management due to their low calorie count.

Yes, cucumber slices are an excellent low-carb and hydrating alternative to crackers. You can top them with various keto-friendly spreads like cream cheese or hummus.

Yes, cucumbers can aid in weight loss. Their high water and fiber content helps you feel full and stay hydrated, while their low calorie count allows for guilt-free snacking.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.