Attracts buntings, goldfinches, cardinals, grosbeaks, towhees, and more. Improves bird health. NutriThrive: Advanced nutrition. Immunity. Reproduction. Energy. Added vitamins & minerals. A blend of nuts, fruit & grain to attract more colorful birds. Easy to reseal. Enriched with vitamins and minerals for avian health. Reproduction: With calcium, vitamin E and amino acids. Immunity: With omega-3 fatty acids, zinc, and vitamin A. Energy: With riboflavin and biotin. Find out which products birds in your neighborhood like best. Use your phone or visit audubonpark.com to learn more. audubonpark.com. Made in the USA.