NaturVet Aller-911 Advanced Allergy Aid for Dogs, Cats, Antioxidant-Rich Pet Supplement with Omegas, DHA, EPA, Helps Support Dog Immune System, Cat Respiratory Health, Skin Moisture 180 Soft Chews Review
By Dr. Lena Ortiz · Canine wellness writer · Published 2026-06-06 · Updated 2026-06-28
NaturVet Aller-911 is an antioxidant-rich allergy aid built around omega fatty acids like DHA and EPA, aimed at supporting immune function and skin moisture in dogs and cats, and its 4.4 star average across 3,700 reviews makes it one of the more established options in this silo.
Dogs or cats dealing with seasonal allergy symptoms, dry skin, or general immune support needs, especially in multi-pet households.
Skip if
Your dog has a diagnosed allergy that needs prescription treatment, since this is a general supportive supplement rather than a medical allergy treatment.
Form Powder
Flavor Aller-911 Advanced Allergy
Weight 13.97 Ounces
Our scorecard
4.4/5overall
Owner rating4.4/5
4.4 average across 3,700 owner ratings
Popularity4.8/5
3,700 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
['NaturVet Aller-911 Advanced Allergy Aid comes in a 180 count supply and is formulated with omega fatty acids including DHA and EPA alongside antioxidants, aimed at both dogs and cats. The label points to immune system support for dogs and respiratory and skin moisture support for cats.', "At 13.97 ounces per container, the 180 count size is built for longer-term daily use rather than a short course. Because it's labeled for both species, it can simplify supplementing in homes with both a dog and a cat.", "With 3,700 reviews and a 4.4 star average, plus roughly 400 bought last month, Aller-911 has a large and consistently positive track record, making it one of the higher review-volume picks in the antioxidant category. Price was not listed at last check, so it's worth confirming current cost before buying."]
Pros
Large 180 count supply for extended daily use
Combines omega-3s (DHA, EPA) with antioxidants in one formula
Labeled for both dogs and cats
High review volume of 3,700 with a strong 4.4 star average
Cons
Not a substitute for a vet-diagnosed allergy treatment plan
Price was not listed at last check, so shoppers will need to confirm current cost
General allergy support formula rather than targeted to one specific allergen
Specifications
Form
Powder
Flavor
Aller-911 Advanced Allergy
Weight
13.97 Ounces
Performance notes
The DHA and EPA omega-3 combination is commonly used to support skin barrier health and calm general inflammation, which lines up with this formula's focus on skin moisture and immune support. As with any allergy supplement, results can vary depending on what's actually driving your dog's symptoms, so persistent itching or respiratory issues are worth a vet visit.
What buyers say
With 3,700 reviews averaging 4.4 stars, Aller-911 has one of the larger review bases in this category, and roughly 400 units bought last month points to steady, ongoing demand rather than a one-time spike.
No, this is formulated to support immune function and skin health generally, not to treat a specific diagnosed allergy. A vet can help identify the actual allergen and the best treatment plan.
Is this supplement suitable for cats as well as dogs?
Yes, the label covers both dogs and cats, with immune support called out for dogs and respiratory and skin moisture support called out for cats.
How long does a container typically last?
Each container holds 180 soft chews, which is built for ongoing daily use rather than a short-term course, though exact duration depends on your dog's size and the dosing on the label.
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