5 Ways Tart Cherry Juice Can Benefit Every Part of Your Body When it comes to grocery shopping, tart cherry (Montmorency) juice probably isn’t something you think of to add to the top of your list—that is, if it even makes it at all. But tart cherry juice packs a ton of benefits that’ll not only boost your overall health, but your performance, too. According to Sheau Ching Chai, Ph.D., R.D., assistant professor at the University of Delaware’s department of Behavioral Health and Nutrition, 16 ounces of tart cherry juice per day is a good addition to any healthy diet.