Actress Maral Farjad Opened Up About Battling Cancer

Not if you consume it within recommended limits. Cancer cells do use sugar for energy, just like every other cell in your body, but a normal sugar intake has no direct effect on the growth of tumors. (1) What’s normal? The dietary guidelines published by the U.S. Department of Agriculture and the U.S. Department of Health and Human Services recommend limiting added sugar to 10 percent of your daily calories, or approximately 4 tablespoons.