Cucumbers may indirectly help support weight loss as they are low in calories, contain some fiber, and are rich in water. This makes them a great addition to a balanced diet. They can contribute to the feeling of fullness without a high-calorie intake.Cucumbers may indirectly help support weight loss as they are low in calories, contain some fiber, and are rich in water. This makes them a great addition to a balanced diet. They can contribute to the feeling of fullness without a high-calorie intake.