Water infused with blackberry essence and other natural flavors. 0 calories sweeteners. Hint is vegan and free of sugar, sweeteners, MSG, nut, soy, gluten and preservatives. Non GMO. Certified by NSF. Water that makes water love you. drinkhint.com. Facebook. Twitter. Instagram. (at)hint. Learn more about our BPA-free bottles at drinkhint.com. 100% recyclable bottle & cap.