Real lime. Real agave. Real easy. Cocktail ready. For margaritas & other cocktails. Only 60 cal per serving. USDA organic. Tres Agaves Organic Cocktail-Ready Agave Nectar is a delicious, USDA certified organic, 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.