Owners who want an inexpensive liquid dewormer they can dose by weight and mix into food, and who are comfortable trying a newer product with limited feedback.
Skip if
You want a dewormer with a long track record of reviews behind it, or you would rather follow a printed weight based dosing chart instead of adjusting the amount yourself.
Weight 5 Ounces
Our scorecard
4.0/5overall
Owner rating4.2/5
4.2 average across 2 owner ratings
Popularity0.4/5
2 owner reviews, fewer 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 liquid dewormer from Ollistart is built around fenbendazole and is marketed as a broad spectrum option, meant to cover tapeworms, roundworms, hookworms, and whipworms in one bottle. It comes in a 5 ounce bottle and is dosed by adjusting the amount to your dog's weight, following the instructions printed on the package rather than a chart included in the listing itself.
At $35.99, it sits in the mid range for liquid dewormers. It first appeared for sale in April 2026, so it has not had much time to build a review history. It currently carries a 4.2 star average, but that is based on only 2 ratings, and 400 units were reportedly bought in the past month, which points to some early buyer interest even without a long track record yet.
Because the listing does not include a guaranteed analysis or a printed dosing chart, first time buyers may want to have the package label in hand before dosing, and to loop in a vet for weight based guidance, especially for puppies or smaller dogs.
Pros
Broad spectrum formula targets tapeworms, roundworms, hookworms, and whipworms in one liquid
Liquid form makes it easy to measure and mix into food
Priced under $36, competitive for a broad spectrum liquid dewormer
400 units bought in the past month suggests early buyer interest
Cons
Only 2 ratings on record, so there is not much buyer feedback yet
New listing as of April 2026, no long term track record
No guaranteed analysis or detailed dosing chart included in the listing
Specifications
Weight
5 Ounces
Performance notes
Item form is a liquid, sold as a 5 ounce bottle in blue packaging. It is positioned as a broad spectrum fenbendazole dewormer for tapeworms, roundworms, hookworms, and whipworms, with dosage adjusted by your dog's weight per the package directions.
What buyers say
With just 2 ratings averaging 4.2 stars, there is not yet enough feedback to draw firm conclusions about this product, though the reported 400 purchases last month suggest some dogs are already using it.
It is formulated as a broad spectrum fenbendazole liquid aimed at tapeworms, roundworms, hookworms, and whipworms, according to the product listing.
How do I know the right dose for my dog?
The directions say to adjust the dosage according to your dog's weight and check the package for specifics, since a detailed chart is not included in the online listing. If you are unsure, ask your vet before dosing.
Is this a well reviewed product?
Not yet. It is a newer listing from April 2026 with only 2 ratings so far, so it does not have the review history that some longer standing dewormers have built up.
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