Lactoquil Healthy Digestive System Soft Chews for Dogs, slide 1 of 1

Lactoquil Healthy Digestive System Soft Chews for Dogs, 75-count bottle

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Lactoquil Healthy Digestive System Soft Chews for Dogs are a source of probiotics and prebiotics to help support ongoing gastrointestinal health. These chews contain live (viable), naturally occurring microorganisms that help your dog achieve healthy, normal digestion. Lactoquil Soft Chews are especially helpful during times of high stress such as traveling, kenneling or training, as well as after antibiotic therapy, deworming or digestive disorders.

Key Benefits
  • Tender chews help maintain healthy microbial balance in the digestive system  
  • Source of probiotics and prebiotics to help support ongoing gastrointestinal health 
  • Contain a source of live (viable), naturally occurring microorganisms 
  • May be used during times of stress, such as traveling or training
  • Intended for daily dosing

Keep out of reach of children. For animal use only.

See all items by Lactoquil

  • Item Number
  • Brand
    Bayer, DVM
  • Lifestage
    Adult, Senior, Puppy
  • Breed Size
    Small Breeds, Medium Breeds, Large Breeds, All Breeds
  • Food Form
  • Product Form
    Soft Chew
Nutritional Info

Inulin, Total Live Bacteria 1.5 Billion Cfu.

Guaranteed Analysis
Crude Protein14.0% min
Crude Fat14.5% min
Crude Fiber1.5% max
Moisture14.0% min
Feeding Instructions
WeightDaily Feeding (chews)
Under 60 lbs1
60+ lbs2

Can be given as a treat. Provide fresh water at all times. Store at room temperature.


When do I use Lactoquil versus Endurosyn?

Lactoquil is a daily probiotic soft chew specially formulated to support ongoing digestive health maintenance for dogs. If your dog has a history of a sensitive stomach or seems to suffer from on and off again GI upset, talk to your veterinarian to determine if your dog would be a good candidate for Lactoquil.

Endurosyn is a 3-day probiotic oral gel for short-term use in support of digestive health during times of stress or transition. Pets that suffer from GI upset when boarding, traveling, training, or going to the vet are good candidates for Endurosyn. Warnings: Keep out of reach of children. For animal use only.

What is the difference between Lactoquil and Endurosyn?

Lactoquil is a daily probiotic soft chew to be used for ongoing digestive health support for dogs only. It contains high levels of live, viable, naturally occurring beneficial bacteria (like some yogurts) to assist in healthy digestion and absorption.

Endurosyn is not designed for long term use but for short stints of stress or transition (traveling, kenneling, etc.) that can cause GI upset. In addition to probiotics, it contains additional ingredients such as electrolytes, vitamins and concentrated energy sources to help support the protective layers of the bowel as well as maintain proper intestinal pH.

Can I use Lactoquil and Endurosyn together?

There are no known contraindications, but always tell your veterinarian about all the medications and supplements that you give your dog.

What could cause my pet's normal gastrointestinal (GI) system to be disrupted?

A normal GI system has a healthy balance of microorganisms, but your pet's system can be disrupted by:

  • Dietary changes or indiscretions
  • Stress from boarding, travel or hospitalization
  • Antibiotic therapy
  • Deworming
  • Age
  • Food sensitivities

Can I use Lactoquil for my cat?

No. Lactoquil is labeled for use in dogs only.

Why does Lactoquil contain several strains of bacteria?

The GI tract has a complex, intermixing array of beneficial bacteria, called the microflora. It is maintained in a careful balance that coats and protects the layers of the intestines. Under certain conditions, gaps or breaks in the microflora appear creating opportunities for microbial imbalances to occur. This often leads to GI upset and distress. A probiotic with multi-strains of bacteria is able to utilize the strengths of each specific strain to promote proper gut flora balance.

How should Lactoquil be stored?

Store at room temperature in a location your dog can't access.

Lactoquil is packaged in a sealed jar within plastic twist-tie bags and should be kept sealed and stored at room temperature when not in use. It does not require refrigeration or any other special storage.

When should Lactoquil be given?

Lactoquil can be given during or after meal time. Provide fresh water at all times.

Feeding Directions:

  • Puppies and Dogs under 60 lb.......................................................1 chew/day
  • Dogs over 60 lb.............................................................................2 chews/day

Can I give my dog more than the recommended amount?

No. Please follow the feeding recommendations as listed on the product label.

How long will a 75-count tub of Lactoquil last?

Assuming only one dog is receiving Lactoquil, each tub count will last according to the table, below:

Puppies and dogs under 60 lbstDogs over 60 lbs
75 Countt2.5 monthst37 days

What is the protein source for Lactoquil (flavor)?

Poultry liver.

Lactoquil is not intended for patients with known hypersensitivity to any of the ingredients in the product.

What is the National Animal Supplement Council (NASC)?

The National Animal Supplement Council is a nonprofit industry group dedicated to protecting and enhancing the health of companion animals throughout the U.S. The overriding goal of the NASC is to promote the health and well-being of cats and dogs that are given animal health supplements by their owners, and to protect and enhance the integrity of the animal health product industry.

What is the National Animal Supplement Council (NASC) Quality Seal found on Lactoquil and all Bayer supplements?

The NASC Quality Seal program was initiated as part of the NASC's ongoing effort to improve and standardize the animal supplement industry.

The Quality Seal is a way for consumers to know the product they are buying comes from a manufacturer that voluntarily complies with standards set forth by NASC.

NASC member companies must comply with rigorous requirements before they are granted permission to display the seal:

When you see the Quality Seal on a product, you can trust it comes from a reputable company that has successfully passed an independent quality audit.

Look for the NASC Quality Seal on Lactoquil and all Bayer supplements.

Why should I include vitamins & supplements in my pet's diet?

Most commercial pet foods include baseline vitamins and nutrients, but some may not have the adequate amount to suit your pet's exact health needs. Like in humans, vitamins and supplements can help support your pet's long-term health, regulating everything from digestion to muscle growth. Consult your veterinarian to determine the best vitamins and supplements for your furry friend.

How often should I give this supplement to my pet?

It is recommended to give the suggested dosage based off your pet's weight. Please refer to the Feeding Instructions tab and consult with your veterinarian for more information.

Is this supplement safe to use with the medication my pet is currently taking?

If your pet has a medical condition and is taking other medication, we recommend consulting with your veterinarian to ensure that this supplement is safe to use.

My pet is allergic to certain ingredients, will this product be safe to use?

For a complete list of ingredients, click on the 'Nutritional Info' tab, next to the 'Description' tab, just under the product photos. If you are unsure about the safety of this product for your pet, we recommend consulting with your veterinarian.

Does this product come in other product forms?

For a complete assortment of products by the manufacturer of this supplement, click on the link next to the item name at the top of the page. You can also find an assortment of supplements across all product forms on our page.

Rating: 4.8 of 5 stars 27 Reviews 27 Reviews 4.9 out of 5 Stars

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96% Recommend

96% of reviewersrecommend this product

Rating: 4.8 of 5 stars 4.9 / 5

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27 Reviews

Showing 1-10 of 27 Reviews

  • 5 out of 5 stars

    excellent supplement

    By Turtle on Apr 8, 2021

    I started giving this to my 10 year old Llewellin Setter, (Moe) for IBS irritable bowel syndrome. After an infectious disease vet was called in this was his diagnoses. Moe, is 11 years old now and his probiotic is the one thing he looks forward to at feeding time. This item seems to help with digestion and this I’m so thankful for, thank you Chewy for carrying this product.

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  • 5 out of 5 stars

    Lactoquil chews

    By Debi on Apr 24, 2021

    My dogs ' digestive systems have performed much better since they have been on Lactoquil daily. We had such a hard time getting their stools to normal consistency & keeping it there. They have been on Lactoquil for a few years now - I wouldn't stop using it.

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  • 5 out of 5 stars

    Tummy problems

    By Puppyproblems on Apr 26, 2021

    Our vet recommended the digestive health treatment for our pup. She had very loose bowels and frequent diarrhea. We give her one a day at breakfast and she now has normal bowels after a week or so. Phew that was nasty stuff. I highly recommend

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  • 5 out of 5 stars

    Baldr has good poop at last!

    By Baldr on Feb 19, 2021

    My Bernese Mountain Dog suffered annoying digestive upset for almost 2 years. We tried many nutritional changes. Then we added Lactoquil and saw great improvement. Both my dogs get one chewy at each meal. My vet swears by Lactoquil and sells it in his clinic.

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  • 5 out of 5 stars

    Great Product

    By LSC00 on Jan 13, 2021

    I had to change my dog’s diet which resulted in less frequent and skimpier bowel movements. On the vet’s recommendation I tried this probiotic and it worked wonders. When the vet’s rx ran out I started buying this from you. My dog is doing well and I will continue to use this.

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  • 5 out of 5 stars

    Love this probiotic for our dogs

    By KTowne on Jan 11, 2021

    We have used this product for two of our dogs now. Both have had issues with loose stools. It seems to really manage their stools. We have no issues with loose stools once they start on this probiotic.

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  • 5 out of 5 stars

    A staple for our dogs

    By Hayley on Oct 28, 2020

    We LOVE these probiotics and so do our pups! We make sure to include them when we're boarding the dogs because their stomachs always get out of whack. We primarily use them when we notice a problem with their poop, and unless there's something underlying that requires a vet visit, they always help clear things up relatively quickly.

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  • 5 out of 5 stars

    these work!!!

    By Dogma7 on Oct 19, 2020

    What an awesome little treat ! I wish I’d found long ago. It improves their breath , their poops are regular and healthy and they LOVE the taste. I recommend 100%!!

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  • 5 out of 5 stars


    By Jenna on Oct 26, 2020

    our cream frenchie had horrible tear stains. We put her on this and started giving her filtered water. Within a month her tear stains were almost gone!

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  • 5 out of 5 stars

    New to us, but seem's to work!

    By Jeremi on Mar 4, 2020

    Based on my own research and reading reviews up the wall on different products within this category. Look no further, this is the one you'll want. Love the fact it's made by Bayer.. Not just some joe-shmoe company. I have a 12year old boxer who sometimes get Gastro upset.. :( To help ease her tummy and so far make it not occur again. I wen't with this product and couldn't be happier.

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