10 Best Cat Probiotics 2025 in the United States

Nutramax Proviable Probiotics offer a good mix of beneficial bacteria strains with a 5 billion CFU count, which is a solid amount to support your cat’s digestive health. The addition of prebiotics helps nourish these good bacteria, encouraging a healthier gut environment. The capsules are easy to use—you simply open them and sprinkle the powder over your cat’s food, which can be more convenient than pills or liquids.

This probiotic is designed for both dogs and cats of all life stages, making it a versatile option for households with multiple pets. It is backed by clinical research and comes from a reputable company known for quality pet supplements, providing confidence in its effectiveness and safety. The supplement has good shelf stability and a natural flavor, meaning it should keep well without refrigeration and won’t taste artificial.

This probiotic is well-suited for cat owners looking to support their pet’s digestive health, especially after diet changes or stress, while those seeking very specific bacterial strains or quick-acting formats might want to consider other options.

The Nutramax Proviable Digestive Health Supplement is designed for both cats and dogs, making it a versatile choice for pet owners with multiple pets. It contains 7 different strains of beneficial bacteria, which is good for providing a diverse range of probiotics to support your pet's digestive health. Additionally, the supplement includes prebiotics, which help nourish these beneficial bacteria and support their growth in your pet’s gut.

This combination can be beneficial for digestive health and well-being. The supplement comes in capsule form, which some pet owners might find convenient for mixing into food or administering directly. It's also noted for its natural flavor, which might make it more palatable for pets. The capsules are suitable for all life stages and can be used long term, making them a flexible option for ongoing digestive support.

At 0.04 pounds, the item is lightweight and easy to store. Nutramax Proviable offers a promising option for digestive health with its multi-strain approach and added prebiotics.

Pet Honesty Cat Probiotics Gut + Immune Health Chews are designed to support your cat's digestive and immune health. These chews come in a convenient and tasty chicken flavor that most cats seem to enjoy. They include probiotics that help maintain healthy gut flora, prebiotics to promote beneficial bacteria, and omegas for a robust immune system.

The chews are formulated without corn, wheat, soy, or artificial preservatives, colors, and flavors, making them a good choice for health-conscious pet owners. Made in the USA, these supplements meet high safety and quality standards as Pet Honesty is a NASC member company.

Ideal for adult cats, they offer a 30-day supply aimed at improving gut health, immunity, and regularity, while also providing relief from constipation.