10 Best Probiotics For Dogs 2025 in the United States

The Purina Pro Plan Veterinary Supplements FortiFlora Dog Probiotic Supplement is a popular choice among veterinarians for managing digestive issues in dogs. With a probiotic strain of Enterococcus Faecium, it has a CFU count of 8 CFU/g, which supports intestinal health and balance. This product is suitable for all life stages and breeds, making it a versatile option for dog owners.

The supplement is in powder form, flavored with liver, which is often well-received by dogs, making it easy to administer. It also includes additional ingredients like vitamins C and E, zinc, and beta-carotene, which contribute to health and immune support.

However, the lack of multiple probiotic strains may limit its effectiveness for some dogs needing a broader spectrum of gut flora support. Additionally, the packaging is convenient but might result in more waste compared to bulk options. It's a solid choice for dog owners looking for a probiotic supplement, especially those dealing with digestive health issues.

PetLab Co. Probiotics for Dogs offers a comprehensive approach to canine digestive health, with a focus on gut health, occasional diarrhea, digestive health, and seasonal allergies. The product features an advanced salmon flavor and includes eight strains of beneficial bacteria, which is a good level of strain diversity to support the immune system and manage seasonal allergies.

The addition of prebiotics like Inulin and Pumpkin further enhances digestive health and helps counter occasional diarrhea and constipation, making it a well-rounded formulation. The soft chew form is convenient and likely to be more palatable for dogs compared to pills or powders. It is beneficial that the product is manufactured in the USA and NASC certified, indicating a commitment to quality and safety.

PetLab Co. claims that 84% of subscribers have seen benefits within 90 days, which suggests positive long-term results for regular use. This product is suitable for dogs of all ages and breeds, making it versatile. Its strain diversity and additional beneficial ingredients make it a strong contender in the probiotics market for dogs.

The Nutramax Proviable Probiotics for Dogs and Cats is a versatile supplement designed to support digestive health in both cats and dogs. It stands out in strain diversity, containing multiple strains of beneficial bacteria, which is a positive aspect for maintaining a balanced gut flora. With 5 billion CFUs per capsule, it offers a robust count that can effectively support intestinal health, especially after disruptions due to dietary changes or stress. The inclusion of prebiotics is another strength, as these help nourish the beneficial bacteria, enhancing the product’s effectiveness.

The capsule formulation is convenient for pet owners, allowing easy administration by simply sprinkling the contents onto the pet’s food. This is particularly beneficial for pets that are fussy with pills. Being backed by clinical research and recommended by veterinarians adds credibility to the product’s effectiveness and safety, making it a reliable choice for pet owners.

Proviable Probiotics seem to be a solid choice for pet owners looking for a reputable probiotic supplement for their pets' digestive health, with the added benefit of easy integration into daily feeding routines. Potential buyers should ensure they're comfortable with the price point and that the product fits their pets' specific gastrointestinal needs.