10 Best Probiotics for Cats 2025: According to Reviews | Chewy

The 10 Best Probiotics for Cats

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How we created this probiotic list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best probiotics for cat.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best probiotics for cats.

Key probiotic considerations

Additional Ingredients

Form

Potency

Probiotic Strains

1
Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count
Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count
Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count
Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count
Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count
Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count
Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count
Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count
Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count

Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count

Rated 4.8 out of 5 stars
5,783
$44.99Chewy Price
($0.57/ea)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.6/5
Excellent

Form

4.5/5
Great

Potency

4.5/5
Great

Probiotic Strains

4.5/5
Great

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Fructooligosaccharide, gum arabic, maltodextrin, dried Enterococcus faecium fermentation product, dried Bifidobacterium bifidum fermentation product

Health Feature

Digestive Health
2
Purina Pro Plan Veterinary Diets FortiFlora Powder Probiotic Digestive Supplement for Cats, 30 count
Purina Pro Plan Veterinary Diets FortiFlora Powder Probiotic Digestive Supplement for Cats, 30 count
Purina Pro Plan Veterinary Diets FortiFlora Powder Probiotic Digestive Supplement for Cats, 30 count
Purina Pro Plan Veterinary Diets FortiFlora Powder Probiotic Digestive Supplement for Cats, 30 count
Purina Pro Plan Veterinary Diets FortiFlora Powder Probiotic Digestive Supplement for Cats, 30 count
Purina Pro Plan Veterinary Diets FortiFlora Powder Probiotic Digestive Supplement for Cats, 30 count
Purina Pro Plan Veterinary Diets FortiFlora Powder Probiotic Digestive Supplement for Cats, 30 count
Purina Pro Plan Veterinary Diets FortiFlora Powder Probiotic Digestive Supplement for Cats, 30 count

Purina Pro Plan Veterinary Diets FortiFlora Powder Probiotic Digestive Supplement for Cats, 30 count

Rated 4.7 out of 5 stars
5,643
$30.99Chewy Price
($1.04/ea)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.6/5
Excellent

Form

4.5/5
Great

Potency

4.6/5
Excellent

Probiotic Strains

4.4/5
Great

Is this probiotic right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Enterococcus faecium, Taurine Inactive Ingredients: Liver flavor, yeast

Food Flavor

Unflavored

Health Feature

Digestive Health, Immune Support
3
Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch
Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch
Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch
Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch
Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch
Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch
Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch
Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch
Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch

Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch

Rated 4.5 out of 5 stars
1,896
$13.99Chewy Price
($3.79/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.3/5
Great

Form

4.6/5
Excellent

Potency

4.4/5
Great

Probiotic Strains

4.2/5
Great

Is this probiotic right for my pet?

Breed Size

Small Breeds, Medium Breeds, Large Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients: Citrus Pulp, Apple Pomace, Psyllium Husk, Zinc Methionine, Omega-3s

Special Diet

Natural, No Corn No Wheat No Soy
4
Diggin' Your Dog Firm Up! Pumpkin Digestive Aid Powder Supplement for Dogs & Cats, 16-oz bag
Diggin' Your Dog Firm Up! Pumpkin Digestive Aid Powder Supplement for Dogs & Cats, 16-oz bag

Diggin' Your Dog Firm Up! Pumpkin Digestive Aid Powder Supplement for Dogs & Cats, 16-oz bag

Rated 4.5 out of 5 stars
1,036
$44.99Chewy Price
($2.82/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.6/5
Excellent

Form

4.5/5
Great

Potency

4.6/5
Excellent

Probiotic Strains

4.5/5
Great

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Pumpkin, Apple Fiber

Special Diet

Limited Ingredient Diet, Natural
5
Probios Dispersible Powder Supplement, 240-g jar
Probios Dispersible Powder Supplement, 240-g jar

Probios Dispersible Powder Supplement, 240-g jar

Rated 4.6 out of 5 stars
552
$17.16Chewy Price
($0.08/g)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.6/5
Excellent

Form

4.6/5
Excellent

Potency

4.7/5
Excellent

Probiotic Strains

4.7/5
Excellent

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Sucrose, Dried Whey, Sodium Silico Aluminate, Dried Enterococcus Faecium Fermentation Product, Dried Lactobacillus Acidophilus Fermentation Product

Food Flavor

Unflavored
6
PetAg Bene-Bac Plus Pet Gel FOS & Probiotics for Dogs, Cats, Exotic & Wildlife Mammals, 15-g syringe
PetAg Bene-Bac Plus Pet Gel FOS & Probiotics for Dogs, Cats, Exotic & Wildlife Mammals, 15-g syringe
PetAg Bene-Bac Plus Pet Gel FOS & Probiotics for Dogs, Cats, Exotic & Wildlife Mammals, 15-g syringe
PetAg Bene-Bac Plus Pet Gel FOS & Probiotics for Dogs, Cats, Exotic & Wildlife Mammals, 15-g syringe
PetAg Bene-Bac Plus Pet Gel FOS & Probiotics for Dogs, Cats, Exotic & Wildlife Mammals, 15-g syringe
PetAg Bene-Bac Plus Pet Gel FOS & Probiotics for Dogs, Cats, Exotic & Wildlife Mammals, 15-g syringe
PetAg Bene-Bac Plus Pet Gel FOS & Probiotics for Dogs, Cats, Exotic & Wildlife Mammals, 15-g syringe

PetAg Bene-Bac Plus Pet Gel FOS & Probiotics for Dogs, Cats, Exotic & Wildlife Mammals, 15-g syringe

Rated 4.7 out of 5 stars
378
$12.35Chewy Price
($0.83/g)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.8/5
Excellent

Form

4.7/5
Excellent

Potency

4.7/5
Excellent

Probiotic Strains

4.7/5
Excellent

Is this probiotic right for my pet?

Breed Size

Small Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Sunflower Oil, Silicon Dioxide, Sucrose, Fructooligosaccharide, Dried Lactobacillus Casei Fermentation Product

Special Diet

Plant Based
7
Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement, 15-oz, case of 12
Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement, 15-oz, case of 12
Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement, 15-oz, case of 12
Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement, 15-oz, case of 12
Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement, 15-oz, case of 12
Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement, 15-oz, case of 12

Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement, 15-oz, case of 12

Rated 4.6 out of 5 stars
610
$40.80Chewy Price
($0.23/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.5/5
Great

Form

4.7/5
Excellent

Potency

4.5/5
Great

Probiotic Strains

4.6/5
Excellent

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredient

100% Organic Pumpkin

Special Diet

Organic
8
Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle

Vetnique Labs Glandex Anal Gland Support Digestion & Probiotics Beef Liver Flavored Pumpkin Fiber Powder Supplement for Dogs & Cats, 5.5-oz bottle

Rated 4.4 out of 5 stars
941
$34.99Chewy Price
($6.37/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.3/5
Great

Form

4.2/5
Great

Potency

4.2/5
Great

Probiotic Strains

4.1/5
Great

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients (Tsp): Pumpkin Seed Powder 623 mg, Granulated Pumpkin Seed 267 mg, Apple Pectin Cellulose Powder 135 mg, Quercetin Dihydrate 100 mg, Lactobacillus Acidophilus (1.9 Billion CFUs) 96 mg

Food Flavor

Beef, Liver, Meat
9
VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count
VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count
VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count
VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count
VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count
VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count
VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count
VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count
VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count

VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count

Rated 4.6 out of 5 stars
571
$32.00Chewy Price
($0.27/ea)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.6/5
Excellent

Form

4.4/5
Great

Potency

4.5/5
Great

Probiotic Strains

4.7/5
Excellent

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Microcrystalline Cellulose, Fructooligosaccharides, Dried Lactobacillus Acidophilus Fermentation Product, Dried Lactobacillus Plantarum Fermentation Product, Dried Lactobacillus Casei Fermentation Product

Food Flavor

Unflavored
10
Fera Pets Probiotics with Organic Prebiotics for Dogs & Cats, 60 servings
Fera Pets Probiotics with Organic Prebiotics for Dogs & Cats, 60 servings
Fera Pets Probiotics with Organic Prebiotics for Dogs & Cats, 60 servings
Fera Pets Probiotics with Organic Prebiotics for Dogs & Cats, 60 servings
Fera Pets Probiotics with Organic Prebiotics for Dogs & Cats, 60 servings

Fera Pets Probiotics with Organic Prebiotics for Dogs & Cats, 60 servings

Rated 4.5 out of 5 stars
744
$29.95Chewy Price
($0.50/ea)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Additional Ingredients

4.4/5
Great

Form

4.2/5
Great

Potency

4.3/5
Great

Probiotic Strains

4.3/5
Great

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Organic Prebiotics: Fos (Fructooligosaccharides), Organic Inulin Derived From Agave, Organic Acacia Probiotics: Lactobacillus Acidophilus, Lactobacillus Casei, Saccharomyces Cerevisiae

Special Diet

Organic, Human-Grade, No Corn No Wheat No Soy, Vegan...