Last Updated: November 14, 2025
Our top recommended dog probiotics to support digestion, immunity, stool quality, and overall gut health.

Last Updated: November 14, 2025

Chicken-flavored soft chews with a six-strain probiotic blend and digestive enzymes, including Bacillus subtilis DE111 for digestion and immune support.

USDA-organic powder with 12 probiotic strains plus prebiotics that mixes easily with food and works for both dogs and cats.

Vet-recommended probiotic powder used for diarrhea, digestive upset, and diet transitions, packaged in convenient daily sachets.

Soft chews that combine probiotics, prebiotics, and digestive enzymes to support gut balance and allergy-related skin issues.

A blend of probiotics, enzymes, and fiber designed to support regular bowel movements, reduce gas, and improve stool quality.

Duck-flavored probiotic chews formulated to support digestive health, immunity, dry skin, and allergy symptoms.

Veterinarian-formulated multi-strain probiotic with prebiotics in capsules that can be given whole or sprinkled over food.

Salmon-flavored probiotic chews that support digestion, stool quality, and seasonal allergies, popular with a large customer base.

Clean, filler-free powdered probiotic with 6 strains, designed for sensitive stomachs and food sensitivities.

Liquid probiotic with around 5 billion CFUs per serving, designed for dogs who dislike chews or powders and often including added prebiotics.
Choosing the right probiotic can dramatically improve your dog’s digestion, stool consistency, skin health, and immune function. Here’s what to look for when comparing the best dog probiotics.
CFUs indicate how many live microorganisms are in each serving. For most healthy dogs, a moderate CFU count works well, while dogs with chronic issues may benefit from higher ranges.
Certain probiotic strains have been studied more extensively in dogs and are commonly used in the best dog probiotics.
Prebiotics are fibers that feed the beneficial bacteria in your dog’s gut, helping probiotics work more effectively.
The right format depends on your dog’s preferences and any health issues that might make swallowing or chewing difficult.
The best dog probiotics focus on active ingredients and keep unnecessary fillers to a minimum.
Some digestive issues are more complex and should be handled with the guidance of a veterinarian.
Many dogs show digestive improvement within 3–5 days, with stool firming and less gas. Allergy and immune-related benefits can take one to three weeks of consistent daily use.