Best Small Animal Food for Immune Support of 2026

Kaytee Forti-Diet Pro Health Hamster & Gerbil Food is a nutritionally complete diet that supports dental health through natural chewing activity with larger, crunchy pieces. It also includes prebiotics and probiotics to support digestive health, while being naturally preserved for ideal freshness. This all-natural food is perfect for hamsters and gerbils.

The Kaytee Juvenile Rabbit Food is designed with the latest nutritional research to give your young rabbit a balanced diet. It includes superfoods like flaxseed, tomato, and spinach, providing essential nutrients and a flavor your pet will enjoy. This food supports digestive health by including prebiotics and probiotics, which help maintain good gut bacteria and improve nutrient absorption. Additionally, antioxidants in the formula help protect your rabbit’s immune system, keeping them healthy and strong. Choosing this food means you’re giving your rabbit a well-rounded diet that supports their growth and overall well-being.

The Oxbow Vitamin C Supplement is designed to support your small pet’s health with a mix of stabilized vitamin C and high-fiber Timothy hay. This combination helps maintain a strong immune system and promotes healthy digestion, especially for guinea pigs and rabbits. The supplement is tasty and easy to feed, making it a convenient addition to your pet’s daily diet. By providing essential vitamin C, it helps protect your pet’s body from oxidative stress and supports overall wellbeing. This product is a practical way to ensure your small pet gets the nutrients they need for a healthy, happy life.

Oasis Vita-Drops is a high-quality daily vitamin supplement specially formulated for hamsters, gerbils, fancy mice, rats, and small pets. This all-in-one multivitamin promotes overall health by providing essential vitamins and antioxidants that support healthy bones and teeth, joints and digestion, and promote healthy skin and coat. The vitamin C in the formulation helps improve the immune system, keeping your pet strong and healthy. The drops are easy to use - simply add them to your pet's water or directly on their food each day. The irresistible orange flavor encourages them to drink and eat more. With over 50 years of experience, Oasis is a trusted brand in the pet supplement industry, ensuring safe and effective products. Made in the USA.

The Kaytee Forti-Diet Hamster Food is designed to provide your small pet with a diet based on the latest nutritional research, ensuring it meets their unique needs. It includes superfoods like flaxseed, pumpkin, and spinach, which add essential nutrients and delicious flavors your pet will enjoy. This food also supports a healthy digestive system by including prebiotics and probiotics that help maintain good gut bacteria and improve nutrient absorption. Additionally, antioxidants in the formula help strengthen your pet's immune system, keeping them healthy and active. This makes caring for your hamster or gerbil easier and more effective.

Kaytee Rabbit Food is a specially formulated diet for rabbits. It contains larger, crunchy pieces that support dental health through natural chewing activity. The brand is veterinarian recommended and the food is naturally preserved for ideal freshness. In addition, the food contains prebiotics and probiotics to support digestive health. The re-sealable bag ensures freshness of the Kaytee Rabbit Food. Overall, this food is an ideal choice for rabbit owners who want to promote their pet's dental and digestive health while ensuring freshness and convenience.

Small World Rabbit Feed is designed to provide complete nutrition for your furry friends. This specially formulated feed is crafted to delight your rabbits' taste buds, ensuring they enjoy every bite. It is rich in dietary fiber, which is essential for maintaining proper digestion and overall gut health. Additionally, this feed contains no corn, making it a great option for sensitive rabbits. You'll also appreciate that it is fortified with vital minerals and vitamins to support your pet's health and well-being.

OASIS Rabbit Vita Drops are designed to enhance your rabbit's overall health. This supplement provides essential vitamins and antioxidants that support their joints and bones while improving skin and coat quality. It also includes Vitamin C, which is crucial for boosting your rabbit's immune system, helping them stay strong and healthy. The drops are easy to use—just mix them into your rabbit's water or food. With a delightful orange flavor, your pet will be encouraged to drink and eat more, making it a convenient addition to their daily routine.

The Oxbow Guinea Pig Food offers balanced nutrition tailored to meet your pet's daily needs, ensuring they stay healthy and happy. Made with high-fiber Timothy hay, it supports good digestion and encourages natural foraging, which keeps your guinea pig active and engaged. The food is enriched with stabilized vitamin C and prebiotics, helping your pet's immune system and overall vitality. Plus, it contains no artificial additives, so you can feel confident feeding your guinea pig wholesome ingredients that promote good eating habits and long-term wellness.

The Oxbow Senior Guinea Food is specially made to support aging guinea pigs. It combines high-fiber grasses with alfalfa, vitamins, and calcium to help keep your pet’s digestion healthy and maintain steady energy levels. The food also includes natural antioxidants like ginger, turmeric, and chamomile, which support your guinea pig’s activity, brain health, and immune system. Plus, the pellets are 100% hay-based, promoting gentle digestion and natural teeth wear, which is important for senior guinea pigs. This diet is a convenient way to ensure your older pet gets the nutrition it needs to stay healthy and active.