All natural! No artificial colors, flavors, scents, or preservatives. Naturally fortified with Spirulina and beta carotene. Provides essential amino acids, enzymes and vitamins to promote overall health and vigor! Vitamin C naturally preserves freshness. Soft-moist pellet formula-no need to add water! Sun dried alfalfa based (naturally calcium/phosphorus balanced 21) instead of corn ( unbalanced calcium/phosphourus 113). We don't use unnecessary fillers of bake our foods full of air to cut costs! 100% complete money-back guarantee! Food is based on legumes, which is what iguanas eat in the wild! Studies have shown that juvenile iguanas have unique dietary requirements as compared to adults, and that adequate levels of major consituents must be met in order to achieve normal growth rates. According to the latest research, Zoo Med's Juvenile Formula All Natural Iguana Food meets recommendations for major constituents and minerals!