Organic Margarita Mix. Its made with just four all-natural, gluten-free, certified-organic ingredients: agave nectar, lime juice, pure filtered water, and vitamin C. Thats it. No junk like high fructose corn syrup. Tres Agaves Organic Margarita Mix hits just that right balance of sweet and sour and perfectly complements the unique taste profile of Tres Agaves Tequila.