Tres Agaves Organic Cocktail-Ready Agave Nectar is a delicious, low-cal sweetener that comes from the same plant as Tequila, making it the essential Margarita ingredient. It's also balanced with just enough purified water so that it dissolves easily in all cold beverages, unlike other honey-like agave sweeteners. Iced tea. Coffee. Oatmeal. Lemonade. Add a splash for sweetness.