First, let’s address the elephant in the room: cucumbers are 96% water. That’s basically a watery stick with a green coat. If you eat a whole cucumber, you’re getting about 45 calories—less than a single Oreo. So, yes, swapping your afternoon soda for cucumber water will save you roughly 150 calories per glass. But here’s the kicker: you could also just drink tap water and save those calories, too.
The real question is: does the cucumber itself do something special? Spoiler: not really. Your body doesn’t unlock a secret fat-burning mode when it detects cucumber molecules. The cucumber is basically a fancy flavor delivery system, not a metabolic superhero.