Essentials Senior Guinea Pig is specially formulated to support your aging guinea pig's needs. We start with 6 high-quality fiber sources to support the aging digestive system and add natural antioxidants to help maintain physical and mental sharpness and activity. Essentials Senior Guinea Pig includes natural plant-based herbal ingredients like ginger root, turmeric and chamomile and provides 100% of your pet's daily recommended vitamins and minerals with no artificial preservatives, colors, or flavors.