Cucumbers are one of the lowest-calorie vegetables, made up of 96% water. They are excellent for hydration and adding volume to a plate.

Below is the detailed nutritional value per 100 grams cucumbers.
| Nutrient | Amount (100 g) | % RDA |
|---|---|---|
| 🔥 Calories (Energy) | 15 kcal | -- |
| 💪 Protein | 0.7 g | -- |
| 🧈 Fats | 0.1 g | -- |
| 🍚 Carbohydrates | 3.6 g | -- |
| 🌾 Fiber | 0.5 g | -- |
| Vitamin K | 16.4 µg | 14% |
| Potassium | 147 mg | 4% |
| Vitamin C | 2.8 mg | 4% |
| Magnesium | 13 mg | 4% |
| Silicon dioxide | -- | -- |
* RDA - Recommended Daily Allowance (EU Regulation 1169/2011). Percentages are calculated for an adult. Athletes' needs may be higher.
Here are the main cucumbers benefits in an athlete's nutrition:
The best ways to prepare cucumbers, while preserving maximum nutritional value:
At any time. After training - for rehydration.
Best alternatives cucumbers:
Celery, zucchini, lettuce, watermelon
| Vegetable | Calories | Water | Fiber |
|---|---|---|---|
| Cucumbers | ~15 kcal | ~95 % | ~0,5–1 g |
| Celery | ~16 kcal | ~95 % | ~1,5 g |
| Tomatoes | ~18 kcal | ~94 % | ~1,2 g |
| Zucchini | ~17 kcal | ~94 % | ~1 g |
Values are approximate — they depend on the variety and growing conditions. General trend: all these vegetables provide a lot of volume for few calories, and differ mainly in fiber content and taste (see calorie density).
Do cucumbers help with weight loss? They do not burn fat on their own, but because they are low in calories, they can help increase the portion on your plate — this helps you stay within your daily calorie intake.
Can you eat them every day? Yes, if your digestion tolerates it. A larger amount at once can cause bloating in some people, so start with small portions.
Are pickled cucumbers suitable in an athlete's diet? They are suitable as a flavor enhancer, but they are high in salt — it is better to treat them as a seasoning rather than a main vegetable.