ZuPreem Natural with added vitamins, minerals and amino acids provides healthy and delicious nutrition for everyday feeding. ZuPreem Natural includes wholesome nutrition - Celery, Carrots, Parsley, Beets, Blueberries, Cranberries, and Ground flaxseeds are in each delicious pellet. ZuPreem Natural diets are made with a consistent pellet color and shape to help keep your bird from selecting specific pellets in the food cup.