Dr. Mercola Bark & Whiskers Complete Probiotics (Formerly Complete Probiotics Pets)

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  • Dr. Mercola Bark & Whiskers Complete Probiotics (Formerly Complete Probiotics Pets) can supports gastrointestinal health with 38 billion CFU of beneficial bacteria from 14 carefully selected strains. These health-promoting strains survive stomach acid to reach your dog’s or cat’s small intestine, unlike some acidophilus-based products.

Product Facts

Active Ingredients

Bifidobacterium lactis ... 3.3 Billion CFU

Lactobacillus acidophilus ... 3.3 Billion CFU

Bifidobacterium longum ... 3.3 Billion CFU

Bifidobacterium bifidum ... 3.3 Billion CFU

Lactobacillus casei ... 3.3 Billion CFU

Lactobacillus plantarum ... 3.3 Billion CFU

Bifidobacterium breve ... 3.3 Billion CFU

Streptococcus thermophilus ... 3.3 Billion CFU

Saccharomyces boulardii ... 3.3 Billion CFU

Bifidobacterium animalis ... 3.3 Billion CFU

Enterococcus faecium ... 3.3 Billion CFU

Lactobacillus rhamnosus ... 660 Million CFU

Lactobacillus bulgaricus ... 660 Million CFU

Bacillus coagulans ... 660 Million CFU

Inactive Ingredients:

Microcrystalline cellulose, silicon dioxide.


If animal's condition worsens or does not improve, stop product administration and consult your veterinarian, Safe use in pregnant animals or animals intended for breeding has not been proven. For use in dogs & cats only. Recommended to support proper digestion and bowel health.

Directions for Use:

For Daily Maintenance:

Administer orally, once per day.

Animal Type ... Amount ... Scoop(s)

Cats (2+ lbs.) ... 1g ... ½

Toy Breed Dogs (up to 14 lbs.) ... 2g ... 1

Small Breed Dogs (15-29 lbs.) ... 3g ... 1½

Medium Breed Dogs (30-49 lbs.) ... 4g ... 2

Large Breed Dogs (50-79 lbs.) ... 5g ... 2½

Giant Breed Dogs (80+ lbs.) ... 6g ... 3

For Extra Support:

Administer orally, once per day.

Animal Type ... Amount ... Scoop(s)

Cats (2+ lbs.) ... 2g ... 1

Toy Breed Dogs (up to 14 lbs.) ... 4g ... 2

Small Breed Dogs (15-29 lbs.) ... 6g ... 3

Medium Breed Dogs (30-49 lbs.) ... 8g ... 4

Large Breed Dogs (50-79 lbs.) ... 10g ... 5

Giant Breed Dogs (80+ lbs.) ... 12g ... 6


Not for human consumption. Keep out of the reach of children and animals. In case of accidental overdose, contact a health professional immediately.

* These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to treat, mitigate, diagnose or cure any disease.

Customer Reviews

Based on 7 reviews
Christina M.
Great product

I use daily and my dogs stools are great!

Bernadette O.

His poops got better.

Pam S.
Pet Probiotics

My pet was having some bladder issues so I purchased this item right away. Her urine is clear and she is doing great!! I trust Mercola products 💯!
I will continue to give her this product on a daily bases for now on to keep her healthy.

Nadine H.
Complete probiotics

This product has helped my older dog immensely. She has some type of issues with cause not yet determined. Since starting the probiotics, she has had fewer episodes and is doing much better.


THey work well on my 90 lb. guy that has issues with throwing up in the am's. He hasn't had an episode since he's been on this.

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