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

Rated 4.8 out of 5 stars
7,293
$44.99Chewy Price
($0.57/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

4.5/5
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
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
1,207
$44.99Chewy Price
($2.82/oz)
Promo, Save 50% on your first Autoship

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

Pumpkin, Apple Fiber

Special Diet

Limited Ingredient Diet, Natural
3
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
710
$40.80Chewy Price
($0.23/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Additional Ingredients

4.6/5
Excellent

Form

4.6/5
Excellent

Potency

4.5/5
Great

Probiotic Strains

4.6/5
Excellent

Is this probiotic right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredient

Organic Pumpkin Puree

Special Diet

Organic
4
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
641
$17.16Chewy Price
($0.08/g)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Additional Ingredients

4.6/5
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

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
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 4.8 out of 5 stars
429
$13.58Chewy Price
($0.91/g)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

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
6
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs & Cats, 5.5-oz bottle
Vetnique Labs Glandex Anal Gland Support Supplement Powder with Beef Liver Flavor for Dogs & Cats, 5.5-oz bottle

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

Rated 4.4 out of 5 stars
1,053
$39.99Chewy Price
($7.28/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Additional Ingredients

4.3/5
Great

Form

4.3/5
Great

Potency

4.3/5
Great

Probiotic Strains

4.2/5
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 Cellulose Powder, Quercetin Dihydrate, Lactobacillus Acidophilus

Food Flavor

Beef, Liver, Meat
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

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

Rated 4.5 out of 5 stars
940
$29.95Chewy Price
($11.70/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Additional Ingredients

4.3/5
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...
8
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
299
$15.99Chewy Price
($4.33/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Additional Ingredients

4.4/5
Great

Form

4.3/5
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

Active Ingredients: Crude Protein, Crude Fat, Crude Fiber, Mositure , Inactive Ingredients: Chicken Meal

Special Diet

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

Food Flavor

Chicken
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
635
$32.00Chewy Price
($0.27/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Additional Ingredients

4.6/5
Excellent

Form

4.3/5
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

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

Food Flavor

Unflavored
10
Rocco & Roxie Supply Co. Chicken Flavored Digestive Aid Probiotic Chew Supplement for Cats, 3.7-oz bag
Rocco & Roxie Supply Co. Chicken Flavored Digestive Aid Probiotic Chew Supplement for Cats, 3.7-oz bag
Rocco & Roxie Supply Co. Chicken Flavored Digestive Aid Probiotic Chew Supplement for Cats, 3.7-oz bag
Rocco & Roxie Supply Co. Chicken Flavored Digestive Aid Probiotic Chew Supplement for Cats, 3.7-oz bag
Rocco & Roxie Supply Co. Chicken Flavored Digestive Aid Probiotic Chew Supplement for Cats, 3.7-oz bag
Rocco & Roxie Supply Co. Chicken Flavored Digestive Aid Probiotic Chew Supplement for Cats, 3.7-oz bag
Rocco & Roxie Supply Co. Chicken Flavored Digestive Aid Probiotic Chew Supplement for Cats, 3.7-oz bag
Rocco & Roxie Supply Co. Chicken Flavored Digestive Aid Probiotic Chew Supplement for Cats, 3.7-oz bag

Rocco & Roxie Supply Co. Chicken Flavored Digestive Aid Probiotic Chew Supplement for Cats, 3.7-oz bag

Rated 4.6 out of 5 stars
168
$13.88Chewy Price
($3.76/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Additional Ingredients

4.6/5
Excellent

Form

4.7/5
Excellent

Potency

4.5/5
Great

Probiotic Strains

4.7/5
Excellent

Is this probiotic right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Inactive Ingredients: Barley Flour, Brewers Dried Yeast, Chicken Fat, Chicken Meal, Citric Acid

Food Flavor

Chicken

Packaging Type

Bag