TREO is the big flavor, low sugar, organic fruit beverage that delivers low calories and superior taste thanks to its unique ingredient Birch Water. Weâve infused hand-tapped organic birch water from the mountains of Vermont into a low calorie, organic, fruit drink to make a super tasty, super healthy beverage we call TREO. It takes the right amount of birch water to (1) Enhance the flavor, (2) Enhance the sweetness of the drink, while (3) Providing nutrient benefits from the tree. Only 10 calories and 1 gram of sugar per serving Organic, Non-GMO Project Verified, Gluten free, Vegan, Kosher, Soy free. Treo is the perfect healthy replacement for all those sugary sodas, soft drinks, and fruit juices. Try All Seven Great Flavors â Blueberry, Peach Mango, Coconut Pineapple, Strawberry, Raspberry Lemonade, Kiwi Watermelon, and Orange Apricot.