Zoo Med's new Natural Juvenile Iguana Food and Adult Iguana Food with added vitamins and minerals, have been carefully formulated by PhD nutritionists to meet the nutritional needs of an Iguanas' at each stage of life. The new Natural Iguana Food contains the correct ratios of calcium, protein, fiber and other nutrients for optimum health and growth in juvenile Iguanas and for long term health in adult Iguanas. The new Natural Iguana Food contains flavorful Dandelion Greens, Yucca, and other plants that Iguanas love! No artificial colors, flavorings, or preservatives have been added to this Natural food.