Tropimix Large Parrot Premium Formula, 1.9-Pound Provides Essential Vitamins And Amino Acids Required For Feather Growth, Vivid Colors And Luster; Standup Zipper Bag Contributes To Clear Vision Builds The Immune System By Stimulating Blood And Vascular Systems Great Taste, Fulfills Your Bird'S Appetite Contributes To Healthy Epithelial Tissue Of The Feet, Mouth, Gastrointestinal Tract And Reproductive System