Cucumber juice is very nutritious and healthy. It helps in fighting obesity and cancer. The juice contains high amount of Vitamin K, which improves the health of bones and kidneys. The juice contains copper, which helps in production of neurotransmitters and red blood cells. Cucumber juice improves the immunity and helps in fighting free radical damage. The juice contains calcium, which is good for teeth, bones and hormones. The juice is very good for the hair as it increases hair growth. It cures constipation and arthritis pain. You should drink cucumber juice within twenty minutes of juicing the cucumbers. The top 9 health benefits of drinking cucumber juice is as follows.