A daily glass of pomegranate juice may benefit prostate cancer sufferers, found a trial at UCLA’s Jonsson Cancer Center. In the three-year study, 50 men who had already been treated with surgery and/or radiation for prostate cancer were given a glass of the juice daily. Of those whose prostate-specific antigen (PSA) levels continued to rise–indicating that the cancer was progressing–the average time it took for the levels to double was increased from 15 months to 54 months, almost fourfold.

The pomegranate juice’s slowing effect on PSA rise may delay the necessity for further therapy and increase patients’ longevity.