Best Probiotics for Cats 2026: According to Reviews | Chewy

Best Probiotics For Cats

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

Our Top Picks

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 4.7 out of 5 stars
10,201
$44.99 Chewy Price
($0.57/ea)
Promo, Buy select Nutramax, get Tidbits supplements free

Our ratings

Additional Ingredients

4.5/5
Great

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

Packaging Type

Box
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

Rated 4.7 out of 5 stars
8,639
$30.99 Chewy Price
($1.04/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Additional Ingredients

4.5/5
Great

Form

4.5/5
Great

Potency

4.5/5
Great

Probiotic Strains

4.4/5
Great

Is this probiotic right for my pet?

Lifestage

Adult, All Lifestages

Top Ingredients

Active Ingredients: Enterococcus lactis SF68, Taurine Inactive Ingredients: Liver flavor, yeast. B930124

Food Flavor

Unflavored

Packaging Type

Pouch
3
Native Pet Whole Goat Milk Powder Digestive, Recovery & Energy Support for Active Dogs, 7-oz
Native Pet Whole Goat Milk Powder Digestive, Recovery & Energy Support for Active Dogs, 7-oz
Native Pet Whole Goat Milk Powder Digestive, Recovery & Energy Support for Active Dogs, 7-oz
Native Pet Whole Goat Milk Powder Digestive, Recovery & Energy Support for Active Dogs, 7-oz
Native Pet Whole Goat Milk Powder Digestive, Recovery & Energy Support for Active Dogs, 7-oz
Native Pet Whole Goat Milk Powder Digestive, Recovery & Energy Support for Active Dogs, 7-oz
Native Pet Whole Goat Milk Powder Digestive, Recovery & Energy Support for Active Dogs, 7-oz

Native Pet Whole Goat Milk Powder Digestive, Recovery & Energy Support for Active Dogs, 7-oz

Rated 4.8 out of 5 stars
353
$24.99 Chewy Price
($3.57/oz)
Promo, Save 30% with code SUMMER30

Our ratings

Additional Ingredients

4.9/5
Excellent

Form

4.8/5
Excellent

Potency

4.8/5
Excellent

Probiotic Strains

4.6/5
Excellent

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Whole Goat Milk Powder, Rosemary Extract (preservative)

Special Diet

Gluten Free, High-Protein, No Corn No Wheat No Soy
4
Probios Dispersible Powder Supplement, 240-g jar
Probios Dispersible Powder Supplement, 240-g jar
Probios Dispersible Powder Supplement, 240-g jar
Probios Dispersible Powder Supplement, 240-g jar
Probios Dispersible Powder Supplement, 240-g jar
Probios Dispersible Powder Supplement, 240-g jar
Probios Dispersible Powder Supplement, 240-g jar
Probios Dispersible Powder Supplement, 240-g jar

Probios Dispersible Powder Supplement, 240-g jar

Rated 4.7 out of 5 stars
782
$17.16 Chewy Price
($0.08/g)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

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
5
Pet Honesty Probiotics Gut + Immune Health Chicken Flavored Digestive Chews for Cats, 3.7-oz pouch
Pet Honesty Probiotics Gut + Immune Health Chicken Flavored Digestive Chews for Cats, 3.7-oz pouch
Pet Honesty Probiotics Gut + Immune Health Chicken Flavored Digestive Chews for Cats, 3.7-oz pouch
Pet Honesty Probiotics Gut + Immune Health Chicken Flavored Digestive Chews for Cats, 3.7-oz pouch
Pet Honesty Probiotics Gut + Immune Health Chicken Flavored Digestive Chews for Cats, 3.7-oz pouch
Pet Honesty Probiotics Gut + Immune Health Chicken Flavored Digestive Chews for Cats, 3.7-oz pouch
Pet Honesty Probiotics Gut + Immune Health Chicken Flavored Digestive Chews for Cats, 3.7-oz pouch
Pet Honesty Probiotics Gut + Immune Health Chicken Flavored Digestive Chews for Cats, 3.7-oz pouch

Pet Honesty Probiotics Gut + Immune Health Chicken Flavored Digestive Chews for Cats, 3.7-oz pouch

Rated 4.6 out of 5 stars
690
$15.99 Chewy Price
($4.33/oz)
Promo, Save 20% with code SUMMER20

Our ratings

Additional Ingredients

4.5/5
Great

Form

4.5/5
Great

Potency

4.4/5
Great

Probiotic Strains

4.5/5
Great

Is this probiotic right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Ingredients: Chicken Meal, Barley, Brown Rice, Oats, Chicken Fat

Special Diet

Natural, No Corn No Wheat No Soy, Non-GMO

Food Flavor

Chicken
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

Rated 4.8 out of 5 stars
494
$11.95 Chewy Price
($0.80/g)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Additional Ingredients

4.7/5
Excellent

Form

4.6/5
Excellent

Potency

4.6/5
Excellent

Probiotic Strains

4.6/5
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
Fera Pets Probiotics with Organic Prebiotics Powder Supplement for Dogs & Cats, 2.56-oz jar
Fera Pets Probiotics with Organic Prebiotics Powder Supplement for Dogs & Cats, 2.56-oz jar
Fera Pets Probiotics with Organic Prebiotics Powder Supplement for Dogs & Cats, 2.56-oz jar
Fera Pets Probiotics with Organic Prebiotics Powder Supplement for Dogs & Cats, 2.56-oz jar
Fera Pets Probiotics with Organic Prebiotics Powder Supplement for Dogs & Cats, 2.56-oz jar
Fera Pets Probiotics with Organic Prebiotics Powder Supplement for Dogs & Cats, 2.56-oz jar
Fera Pets Probiotics with Organic Prebiotics Powder Supplement for Dogs & Cats, 2.56-oz jar
Fera Pets Probiotics with Organic Prebiotics Powder Supplement for Dogs & Cats, 2.56-oz jar

Fera Pets Probiotics with Organic Prebiotics Powder Supplement for Dogs & Cats, 2.56-oz jar

Rated 4.5 out of 5 stars
1,227
$29.95 Chewy Price
($11.70/oz)
Promo, Save 20% with code SUMMER20

Our ratings

Additional Ingredients

4.3/5
Great

Form

4.2/5
Great

Potency

4.2/5
Great

Probiotic Strains

4.3/5
Great

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Inactive Ingredients: Organic Gum Arabic (Acacia Fiber), Organic Inulin, Fructooligosaccharides, Dried Lactobacillus acidophilus*, Dried Lactobacillus casei*

Special Diet

Organic, Human-Grade, No Corn No Wheat No Soy, Vegan...
8
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
871
$40.80 Chewy Price
($0.23/oz)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Additional Ingredients

4.5/5
Great

Form

4.6/5
Excellent

Potency

4.4/5
Great

Probiotic Strains

4.5/5
Great

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredient

Organic Pumpkin Puree

Special Diet

Organic
9
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs, 5.5-oz bottle

Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs, 5.5-oz bottle

Rated 4.5 out of 5 stars
1,251
$39.99 Chewy Price
($7.28/oz)
Promo, Save 20% with code SUMMER20

Our ratings

Additional Ingredients

4.3/5
Great

Form

4.3/5
Great

Potency

4.2/5
Great

Probiotic Strains

4.3/5
Great

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients: Pumpkin Seed Powder, Granulated Pumpkin Seed, Apple Pectin Powder, Quercetin Dihydrate, Lactobacillus Acidophilus

Food Flavor

Beef, Liver, Meat
10
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
746
$32.96 Chewy Price
($0.28/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Additional Ingredients

4.5/5
Great

Form

4.4/5
Great

Potency

4.4/5
Great

Probiotic Strains

4.6/5
Excellent

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Ingredients: microcrystalline cellulose, fructooligosaccharides, vegetable cellulose, dried Lactobacillus acidophilus fermentation product, dried Lactobacillus plantarum fermentation product

Food Flavor

Unflavored