F.M. Brown's Tropical Carnival Gourmet Guinea Pig Food Alfalfa Timothy Hay Pellets, Vitamin-Nutrient Fortified Daily Diet VITAMIN-NUTRIENT-FORTIFIED: Specially formulated for the daily dietary needs of guinea pigs SUPPORT GOOD DIGESTION: Added probiotics help stimulate good digestion so your guinea pig can get the most out of our nutrient-rich ingredients IMMUNE SYSTEM SUPPORT: We add stabilized vitamin C, a necessary supplement for guinea pig health, to help maintain a healthy immune system FIBER RICH: Timothy hay and alfalfa pellets are high in fiber for optimal digestion ZOO-VITAL BISCUITS: Includes our specially formulated ZOO-VITAL Biscuits for healthy teeth and gums with nutrients required for the well-being of your guinea pig