Nutri-Vet Anti Diarrhea for Dogs Liquid, Fast Acting Dog Diarrhea Relief, Soothes Upset Stomach, Helps Firm Stool, Kaolin Pectin Digestive Support for Sudden Tummy Issues, 4 oz Review
By Dr. Lena Ortiz · Canine wellness writer · Published 2026-05-16 · Updated 2026-07-01
4.4(3,500)Amazon rating$9.161,000+ bought last month
Our verdict
Nutri-Vet Anti-Diarrhea Liquid is a kaolin and pectin formula built for short-term relief of loose stool, and its 4.4 star average across 3,500 reviews suggests it works as intended for most dogs dealing with an occasional upset stomach.
Dogs having an occasional bout of loose stool or diarrhea who need fast, short-term relief dosed by body weight.
Skip if
Your dog has ongoing or severe diarrhea, blood in the stool, or other signs of illness, since this is meant for occasional tummy upset and is not a substitute for a vet visit.
Weight 5 Ounces
Priced 63% below the category median ($24.99 across 128 tracked models)
Our scorecard
4.4/5overall
Owner rating4.4/5
4.4 average across 3,500 owner ratings
Popularity4.0/5
3,500 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other dog food and health supplements we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
["This 4 oz liquid from Nutri-Vet is built around kaolin and pectin, two ingredients traditionally used to help firm up loose stool and calm a mildly upset stomach. It's labeled for all life stages and all breeds, and the model name on the bottle describes it as veterinarian formulated.", "Directions on the label call for shaking the bottle well before each use, with dosing split by weight: 1 teaspoon every 12 hours for dogs up to 15 lbs, 2 teaspoons for dogs 15 to 50 lbs, and 1 tablespoon for dogs over 50 lbs. That tiered dosing makes it straightforward to match the amount to your dog's size.", "At $9.16 for the bottle, it's an inexpensive option to keep on hand for the occasional digestive hiccup. With 3,500 reviews and a 4.4 star average, and roughly 1,000 bought in the past month, it has a solid track record as a go-to for firming up stool quickly rather than as an everyday supplement."]
Pros
Kaolin and pectin combination targets loose stool directly
Weight-based dosing tiers make it easy to give the right amount
Made in the United States
Strong 4.4 star rating across 3,500 reviews
Affordable at $9.16 per bottle
Cons
4 oz bottle is a small supply if diarrhea recurs often
Liquid form means shaking and measuring rather than a quick chew
Meant for short-term relief, not everyday digestive maintenance
Specifications
Weight
5 Ounces
Performance notes
The kaolin and pectin combination is a classic anti-diarrheal pairing meant to help firm stool and soothe the digestive tract during a short-term flare-up. Because it's a liquid dosed every 12 hours by weight tier, it's easier to fine-tune the amount for a small versus a large dog compared to a fixed-size chew.
What buyers say
With 3,500 reviews averaging 4.4 stars and about 1,000 bought in the past month, this liquid has a steady base of repeat buyers who reach for it specifically when their dog has a stomach upset.
It's formulated as a short-term aid for loose stool and occasional diarrhea using kaolin and pectin, not a daily probiotic supplement meant for everyday gut maintenance.
How much should I give my dog?
The label directs shaking well and dosing every 12 hours based on weight: 1 teaspoon for dogs up to 15 lbs, 2 teaspoons for dogs 15 to 50 lbs, and 1 tablespoon for dogs over 50 lbs.
Is this safe for puppies?
It's labeled for all life stages, but for puppies or for diarrhea that lasts more than a day or two, check with your vet before continuing to use it at home.
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