Cucumbers are rich in vitamin K, copper, potassium, vitamin C and manganese and can help avoid a number of nutrient deficiencies. Cucumbers may help in cooling the inflammatory response in your body. Cucumber extract helps reduce unwanted inflammation, in part by inhibiting the activity of pro-inflammatory enzymes. Cucumbers help in lowering the risk of breast, uterine and prostate cancer. They also contain phytonutrients, which has cancer fighting properties.