Avitae Blackberry Flavored 90 mg Caffeine Plus Water, 16.9 Fluid Ounce -- 12 per case. At Avitae, weve turned a super fruit into a super-er fruit by bringing together the great taste of blackberries with the all-around awesomeness of purified water and natural caffeine. The result? An energy boost with even more natural goodness. Wheat Free, Dairy FreeAvitae