100% pure red tart cherry juice concentrate by fruitfast | unsweetend, non-gmo, gluten free, kosher certified dark cherry extract - promotes joint health and helps maintains sleep cycles (64 ounce) fruitfast this 100% tart cherry juice concentrate from fruitfast puts the health benefits of cherries to work for you as it supports healthy joint function* , supports healthy cardiovascular function* and helps maintain a normal sleep cycle* at fruitfast, we take care not to expose our pure tart cherry juice concentrate to prolonged periods of extreme heat, instead using a careful flash pasteurization process that produces a 100% natural, tasty cherry juice concentrate. this process also helps to preserve enzymes, color, and flavor. all of our fruit juice concentrates are 100% pure, all-natural, and not genetically modified. tart cherry juice concentrate is cold-filled and cold-stored in order to preserve its natural purity. our fruit juice concentrates have no: added sugar, fillers or preservatives and are bottled in a pet 1 plastic, bpa free bottle. this 68 brix, non-gmo, gluten free concentrate is the real deal and you can taste and see the difference. anthocyanins are water-soluble phytochemicals. anthocyanins are the pigments that give tart cherries their bright red color and distinctive taste. anthocyanins are the primary antioxidants in tart cherries being studied for their beneficial effect on the human body. what do antioxidants - anthocyanins in tart cherry juice concentrate do for you? support healthy joint function* support healthy cardiovascular function* support a healthy immune system* naturally occurring melatonin - to help maintain a healthy / normal sleep cycle speed relief from muscle fatigue, post exercise most notable, cherry juice is loaded with natural melatonin and a highly sought after antioxidant - anthocyanins! an outlier on the market, fruitfast is focused on offering not only the best tasting but also the highest quality fruit concentrates on the market. this focus has allowed us to build a unique anthocyanin advantage!