Cucumber is one of the most hydrating foods you can eat, made up almost entirely of water, which is exactly what makes it so refreshing on a hot day. That high water content, paired with very few calories, is why cucumber earns a place in discussions of weight management and skin health.
Compounds & anti-nutrients in Cucumber
Per 100 g, Cucumber is a notable dietary source of these active compounds. Tap any to see its full sources map and how to work with it.
Why cucumber is good for you
Cucumber is not a nutritional powerhouse in the way leafy greens are, and its real value lies in what it adds for so little: water, a little potassium and small amounts of vitamin C and vitamin K, much of it concentrated in the skin. The skin and seeds also supply most of the fibre, so eating it unpeeled is worthwhile. Cucumbers contain antioxidant compounds called cucurbitacins and lignans, which are being studied for their broader health effects.
Because it is so watery, cucumber contributes to overall fluid intake, something that matters for skin appearance, digestion and concentration, particularly in warm weather or after exercise.
Cucumber nutrition at a glance
The full breakdown is in the nutrition label above, but the story is simplicity: cucumber is mostly water with a light scattering of vitamins and minerals, which is precisely why it is such a useful low-calorie way to add volume and crunch to a meal. It will not deliver large amounts of any single nutrient, so think of it as a hydrating extra rather than a centrepiece.
How to choose, store and eat cucumber
Pick firm cucumbers with smooth, deep-green skin and no soft or wrinkled patches. Store them in the fridge, ideally wrapped to stop them drying out, and use within a few days. Leave the skin on for fibre and nutrients, and slice them into salads, dip sticks into yoghurt, or add ribbons to water for a spa-like drink. Cucumber pairs especially well with tomato and a little garlic, and is a classic partner for Greek-style yoghurt dips.
Common questions
Is cucumber good for weight loss? Its very high water content and low calorie count make it filling for almost no energy, so it is a sensible way to add bulk and crunch to meals. On its own it is a helper rather than a solution.
Should you peel cucumber? Not unless the skin is waxed or tough. The peel holds most of the fibre and a good share of the vitamins, so washing it well and leaving it on gives you more nutrition.
Explore by health goal
Cucumber is one of many foods that support these goals:
