Best Dog Probiotic Supplements for Senior Dogs of 2026

Janie Foster Avatar
Janie Foster
Last Updated: Jan 16, 2026

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Dog probiotic supplements for senior dogs are a great way to help support your furry friend's digestive health. As dogs age, their digestive system becomes less efficient, making it harder for them to absorb the nutrients they need. Probiotics are live bacteria and yeasts that can help promote healthy gut flora, aid in digestion, and boost the immune system. These supplements are designed specifically for senior dogs, with a tailored blend of strains that are easy to digest and gentle on their stomach. With regular use, these probiotic supplements can help keep your senior dog feeling healthy and happy.

At a Glance: Our Top Picks

Wellix Probiotics for Dogs with Pumpkin Cover #TOP 1
Wellix Probiotics for Dogs with Pumpkin
ftb score rating icon 9.9
Artullano Probiotics for Dogs Cover #TOP 2
Artullano Probiotics for Dogs
ftb score rating icon 9.8
NaturVet PB6 Probiotics & Enzymes Dog Soft Chews Cover #TOP 3
NaturVet PB6 Probiotics & Enzymes Dog Soft Chews
ftb score rating icon 9.6

Top 10 Dog Probiotic Supplements for Senior Dogs

#TOP 1

Wellix Probiotics for Dogs with Pumpkin

WX-YSJKL-1
brown
Probiotic
Wellix Probiotics for Dogs with Pumpkin Cover
260 Bites Wellix Probiotics for Dogs - Dog Probiotics and Prebiotics with Pumkin - Improve Digestive Health, Allergies and Itchy Skin Relief Natural Gut Health Supplements for Small Medium Senior Dog

Wellix Dog Probiotics are designed to support your dog's digestive and skin health naturally. These chews contain pumpkin and two types of probiotics to help balance your dog's gut, reducing issues like bad breath, gas, and diarrhea. They also include fish oil to improve nutrient absorption, which can ease itching and promote a shiny coat. Made with gentle, natural ingredients like oats and goat milk, these supplements avoid harsh additives, making them a safe choice. Plus, the tasty chicken flavor and crunchy texture make it easy for you to give your dog the digestive support they need every day.

What We Like
Supports digestive health
Relieves itchy skin
Natural ingredients
Chicken-flavored chews
Large economical pack
#TOP 2

Artullano Probiotics for Dogs

Multivitamin
120 Treats
Artullano Probiotics for Dogs Cover
Probiotics for Dogs - Support Gut Health, Itchy Skin, Allergies, Immunity, Yeast Balance - Dog Probiotics and Digestive Enzymes with Prebiotics - Reduce Diarrhea, Gas - 120 Probiotic Chews for Dogs

Artullano Dog Probiotics is a premium quality supplement designed to improve gut health and relieve digestive issues in dogs. With its advanced formula, it helps alleviate common problems such as irritable bowels, gas, bloating, constipation, loose stools, and anal gland issues. Not only does it support healthy digestion, but it also aids in alleviating food allergies that can often manifest as skin conditions. Made with natural ingredients and free from artificial colors or flavorings, these delicious duck flavored soft chews are a convenient alternative to messy powders or hard-to-swallow pills. Suitable for dogs of all breeds, ages, and sizes, Artullano Dog Probiotics is the perfect solution for promoting overall health and well-being in your furry friend.

What We Like
Improved digestion and stool quality
Reduces paw licking and itching
Palatable for picky dogs
Helps with yeast issues
Reasonable price
#TOP 3

NaturVet PB6 Probiotics & Enzymes Dog Soft Chews

797801037020
No Color
70 Soft Chews
NaturVet PB6 Probiotics & Enzymes Dog Soft Chews Cover
NaturVet Advanced Probiotics & Enzymes, PB6 Dog Soft Chews to Help Sensitive Stomachs and Digestive Issues, Hickory Smoked Bacon Flavored Pet Supplement for Dogs Over 6 Weeks, 70 Count Jar

NaturVet PB6 Dog Chews are specially made to support your dog's digestive health, especially if they have a sensitive stomach or are adjusting to new food. These soft chews include a mix of helpful enzymes and probiotics that work together to keep your dog's stomach and intestines balanced and healthy. Whether your dog is young, older, or recovering from illness, these chews can make digestion easier. Plus, they're soft, chewy, and flavored with a tasty hickory smoked bacon that your dog will love, making it simple and enjoyable to give them a daily digestive boost.

What We Like
Enzymes and probiotics blend
Supports sensitive stomachs
Helps with diet changes
Tasty hickory bacon flavor
Soft, easy-to-give chews

Probiotic for Dogs with Natural Digestive Enzymes and Pumpkin

GP-Probiotic
2 Fl Oz
Probiotic for Dogs with Natural Digestive Enzymes and Pumpkin Cover
Liquid Probiotics for Dogs & Cats of All Ages | Dog Probiotics to Provide Digestion Balance | Prebiotic Blend for Harmonious Food Absorption | 3 Billion CFU | Herbal Flavor | 2 Oz

This dog probiotic and digestive enzyme supplement is designed to support your dog's digestive health, relieving diarrhea, constipation, gas, and allergies. The natural composition, including prebiotics and probiotics from organic sources, provides over 3 billion CFU to help stop digestive discomfort. The supplement is suitable for all breeds, ages, and sizes of dogs and is easy to dose and apply. The high-quality, safe formula is vet recommended and will improve your pet's quality of life.

What We Like
Effective allergy relief
Improved digestive health
Pets enjoy the taste
Easy to use
Contains beneficial enzymes
#TOP 5

WONTECHMI Probiotics for Dogs Chewables

WONTECHMI
WDPC889
brown
120 chews
WONTECHMI Probiotics for Dogs Chewables Cover
WONTECHMI Probiotics for Dogs, Improve Itchy Skin Itchy Ears, Gut Health, Yeast Balance, Allergies, Immunity, Dog Probiotics and Digestive Enzymes with Prebiotics, Reduce Diarrhea (Chicken, 120 chews)

The WONTECHMI Dog Probiotics are designed to support your dog's digestive health by easing common issues like gas, bloating, constipation, and irregular stools. These chewables help maintain a balanced gut, which can improve your pet’s comfort and digestion. They also boost your dog’s immune system, helping to protect against allergies and skin problems linked to food sensitivities. Made with natural, high-quality ingredients in the USA, these probiotics offer a safe and wholesome option for your dog’s wellness. Plus, the tasty chicken flavor makes it easy and enjoyable to give your dog their daily probiotic without any mess or hassle.

What We Like
Supports digestive health
Boosts immune system
Natural premium ingredients
Chicken-flavored soft chews
#TOP 6

NaturVet Probiotic Supplement for Dogs

797801037037
No Color
120 Soft Chews
NaturVet Probiotic Supplement for Dogs Cover
NaturVet Advanced Probiotics & Enzymes, PB6 Dog Soft Chews to Help Sensitive Stomachs and Digestive Issues, Hickory Smoked Bacon Flavored Pet Supplement for Dogs Over 6 Weeks, 120 Count Jar

NaturVet Probiotic Supplement for Dogs is a veterinarian-formulated supplement that provides advanced probiotics and enzymes to support your dog's total GI environment. It is designed to help break down food for optimal utilization of nutrients and vitamins, and contains PB6 technology to enable beneficial bacteria to travel through the complete GI tract for optimal stomach and intestinal health. The wheat-free, tasty soft chews are made in the USA and come with a 100% satisfaction guarantee.

What We Like
Veterinarian-formulated
Contains advanced probiotics and enzymes for optimal digestion
Uses PB6 technology for optimal stomach and intestinal health
Tasty wheat-free soft chews
Comes with a 100% satisfaction guarantee
#TOP 7

SnazFirst Probiotics for Dogs Chews

SnazFirst
Probiotics for Dogs
Brown
150 CHEW
SnazFirst Probiotics for Dogs Chews Cover
SnazFirst Probiotics for Dogs, Dog Probiotics Chews for Digestive Health & Gut Health, Improve Immune System,Constipation & Diarrhea Relief(Chicken Flavor, 150 Chews)

SnazFirst Dog Probiotics offer a tasty and easy way to support your dog's digestive health. These chicken-flavored soft chews contain five probiotics that help ease common digestive problems like gas, bloating, constipation, and diarrhea, making your pet more comfortable. They also boost your dog's immune system and help reduce food allergies that might cause skin issues. Made with natural ingredients like inulin and pumpkin, these chews are safe and enjoyable for dogs to eat. By choosing these probiotics, you can avoid messy powders or pills and effortlessly improve your dog's gut health and overall wellbeing.

What We Like
Supports digestive health
Boosts immune system
Natural ingredients
Chicken-flavored soft chews
Easy to administer
#TOP 8

VetriScience Gut Health Chews Dog Probiotic

090030F.045
45 Chews
45 Chews
VetriScience Gut Health Chews Dog Probiotic Cover
VetriScience Gut Health Chews, Probiotic Everyday Digestive Supplement for Dogs, Pet Probiotics for Digestion Support, Gas and Diarrhea, Immune Support, 1 Billion CFU Per Chew, Duck, 45 Count

The VetriScience Dog Probiotic is designed to support your dog's digestive health every day. Each chew contains 1 billion CFU of beneficial bacteria to help maintain a balanced gut, which supports digestion and regular bowel movements. The formula is gentle and tasty, suitable for dogs of all ages and sizes, making it easy for you to add to your pet’s routine. If your dog experiences occasional stomach upset, like gas or diarrhea, these chews can help soothe discomfort and promote recovery. Plus, the prebiotic fiber in each treat encourages the growth of healthy gut bacteria, further enhancing your dog's overall digestive wellness.

What We Like
Daily probiotic support
Gentle for all dogs
Relieves digestive upset
Includes prebiotic fiber
Easy, tasty chews
#TOP 9

NaturVet Digestive Enzymes with Probiotics & Prebiotics for Dogs

79903699
No Color
70 Soft Chews
NaturVet Digestive Enzymes with Probiotics & Prebiotics for Dogs Cover
NaturVet – Digestive Enzymes - Plus Probiotics & Prebiotics – Helps Support Diet Change & A Healthy Digestive Tract – for Dogs (Soft Chews, 70 Count)

The NaturVet Digestive Support Chews are designed for dogs older than six weeks, making them suitable for most pups in your home. These chews help improve digestion and nutrient absorption, so your dog can get the most from their food. They also ease the transition when you change your dog's diet, reducing stomach upset. The formula includes essential enzymes and ingredients that promote a healthy digestive system, helping your dog feel comfortable and maintain good gut health. Plus, they are wheat-free, which is great if your dog has sensitivities or allergies.

What We Like
Supports digestion
Helps nutrient absorption
Assists with diet changes
Promotes digestive health
Wheat-free formula
#TOP 10

Natural Probiotics and Digestive Enzymes for Pets

CM-Probiotic
Bright orange
2 Fl Oz
Natural Probiotics and Digestive Enzymes for Pets Cover
Liquid Probiotics for Dogs and Cats – 6 Billion CFU Pet Digestive Support – Dog Probiotics with Enzymes – Cat Probiotic Supplement – 2-oz Bottle

This natural pet probiotic blend contains enzymes that help pets digest their food, absorb more nutrients, and maintain a healthy lifestyle. It's a basic supplement with high potency and performance in every drop. This probiotic is safe for all pets, with 3 billion CFU and no artificial additives. It is also non-GMO and made in the USA. Give your pet optimal conditions for digestion and absorption of food with this probiotic plus prebiotic power.

What We Like
Contains natural enzymes that help pets digest their food and absorb more nutrients
Non-GMO and made in the USA
Safe for all pets and doesn't contain chemical additives, sugar, or hormones
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Should I give my senior dog probiotics?

Probiotics are best given as a supplement for senior dogs. If you buy soil-based probiotics, they're less fragile and will last longer in the colon. Look for one with with 1 or 2 strains and less than 1 billion CFU.

2. What supplements should my senior dog be taking?

According to Dr. Pan, “Generally speaking, senior dogs can benefit from products that contain high-quality protein, and optimal levels of vitamins, antioxidants, natural prebiotic fibers, omega-3 fatty acids, and glucosamine.”

3. What is the best probiotic to give my dog?

Best Overall: Purina Fortiflora Canine Nutritional Supplement. Purina Fortiflora Canine Nutritional Supplement comes in pre-measured packets and is one of the easiest and most popular ways to ensure that your dog is getting a daily dose of probiotics, which is why it's our top pick.

Editor's Notes

During our dog probiotic supplement for senior dogs research, we found 24 dog probiotic supplement for senior dogs products and shortlisted 10 quality products. We collected and analyzed 227,970 customer reviews through our big data system to write the dog probiotic supplements for senior dogs list. We found that most customers choose dog probiotic supplements for senior dogs with an average price of $20.78.

The dog probiotic supplements for senior dogs are available for purchase. We have researched hundreds of brands and picked the top brands of dog probiotic supplements for senior dogs, including Wellix, Artullano, NaturVet, Golden Paw, WONTECHMI. The seller of top 1 product has received honest feedback from 149 consumers with an average rating of 4.9.

Written by
Janie Foster Avatar

Janie Foster is a writer & pet blogger from Los Angeles, she enjoys living with her two cats and three dogs. She owned her first dog 10 years ago and then started her personal blog to record her dog's daily life. Throughout her personal life, she has developed specialized knowledge in pet care, pet nutrition, feeding habits, and more.