Cannavis Hybrid Watermelon Syrup. Cannavis boasts a unique product line of infused syrups in a wide variety of flavor and size options. Typically mixed into a beverage, Cannavis syrup provides a one-of-a-kind user experience in which consumers can create their own infused THC cocktails. Cannavis syrup is sugar-free, gluten-free, vegan-friendly, and made using non-GMO