10 Best Probiotic For Dogs 2025 in the United States

The Purina Pro Plan Veterinary Supplements FortiFlora Dog Probiotic Supplement stands out as a top choice for managing digestive health in dogs, recommended by veterinarians. The supplement contains Enterococcus Faecium, offering a CFU count of 8 CFU/g, which is beneficial for promoting intestinal health and balance. The presence of additional ingredients such as Vitamin C, Vitamin E, and antioxidants helps support a strong immune system in dogs, making it a well-rounded nutritional addition to their diet.

The liver-flavored powder form ensures easy administration, as it can be easily mixed with food, making it convenient for pet owners to use daily. The product is suitable for dogs of all sizes and life stages, which adds versatility in its application. However, one should note that the CFU count, though beneficial, is on the lower end compared to some other probiotics on the market which might offer higher counts for more substantial gut health benefits.

The product needs to be stored in a cool, dry place to maintain its efficacy. While the brand Purina has a strong reputation for quality, some users might find the exact nutritional contributions of the strain not as clearly defined as in other supplements. This product remains a reliable option for improving your dog’s digestive health.

The PetLab Co. Probiotics for Dogs is designed to support gut health, occasional diarrhea, digestive health, and seasonal allergies. It comes in the form of soft chews with a salmon flavor, making it likely appealing to dogs. One of its key strengths is the inclusion of 8 strains of beneficial bacteria, which can help support the immune system and manage seasonal allergies.

Additionally, it contains prebiotics like inulin and pumpkin, which aid in digestive health and can help with issues like diarrhea and constipation. This product is manufactured in the USA and is NASC-certified, which speaks to its quality assurance and safety standards. Furthermore, the company's claim that 84% of users see benefits within 90 days suggests that many dog owners find it effective when used consistently.

There are a few potential drawbacks. While the chews come in a salmon flavor, there might be dogs with specific taste preferences or allergies to certain ingredients. Storage requirements are not explicitly mentioned, but being in chew form, it likely requires standard storage to maintain freshness. This product is suitable for all breed sizes and life stages, making it versatile for different dogs. It's particularly beneficial for dogs with digestive issues, immune support needs, or seasonal allergies.

The Zesty Paws Dog Allergy Relief chews are designed to provide comfort and health benefits for dogs suffering from allergies and itchy skin. These chews are formulated with various premium ingredients, including EpiCor Pets yeast fermentate, colostrum, and astragalus root, aimed at boosting immune function and providing relief from itchy skin.

The inclusion of a 6-strain gut health blend, featuring probiotics like Lactobacillus acidophilus, supports digestive health and maintains a balanced gut flora, which is essential for overall wellness. Omega-3 fatty acids EPA and DHA are also included to enhance immune health and provide additional itch relief benefits. The soft chew form with a peanut butter flavor makes it easy to administer, which can be especially useful for dogs who are picky eaters.

Zesty Paws has a reputable standing in the pet supplement market. This product is suitable for dogs of all breeds and ages, making it a versatile choice for many pet owners. These chews are a good option for supporting immune and gut health while providing relief from allergies and itchy skin in dogs.