The agave is a plant of Mexican origin similar in appearance to aloe vera and is known to be the one that gives rise to tequila. It contains beneficial health properties and its syrup is known as a "honey" that is used as a natural sweetener. Its "honey" is well known precisely for being a substitute for honey in vegan diets, or in allergy sufferers. It is also a natural substitute for sugar that, unlike sugar, is good for the body and has fewer calories. Agave syrup has a low glycemic index so it does not cause an increase in blood sugar levels. It contains inulin that belongs to the complex carbohydrates and is what gives it the sweet taste.