4.3(867)Amazon rating$34.991,000+ bought last month
Our verdict
CardioMAX Heart Support is a pork-flavored soft chew built around a detailed cardiovascular ingredient list, including L-taurine, L-carnitine, CoQ10, EPA, and DHA, aimed at large breed and aging dogs, and its 4.3 star average across 867 reviews reflects generally solid results.
Large breed or aging dogs whose vet has flagged heart health as an area to support, especially owners who want a detailed, ingredient-transparent formula.
Skip if
Your dog has a diagnosed heart condition requiring prescription medication, since this supplement is meant to complement, not replace, veterinary cardiac care.
Form Soft Chews
Flavor Pork
Benefits Cardiomax Is Specially Formulated For Dogs, Ensuring A Healthy Heart And Overall Well-Being. Enriched With Vital Nutrients, It Boosts Energy And Stamina In Both Active And Aging Dogs.
Best for Cardiovascular Health Maintenance, Circulatory Strength, Heart Muscle Function, Support For Aging Dogs.
Breed size Large
Weight 0.63 Pounds
Priced 46% above the category median ($23.95 across 26 tracked models)
Our scorecard
4.3/5overall
Owner rating4.3/5
4.3 average across 867 owner ratings
Popularity3.8/5
867 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 60 count bag of CardioMAX Heart Support chews is pork flavored and formulated with a specific, published ingredient list: L-taurine, arginine, hawthorn, EPA, DHA, L-carnitine, magnesium, N-dimethylglycine, CoQ10, vitamin E, berberine, and folic acid. The label ties these ingredients to circulatory strength and heart muscle function.', "It's sized for large breed dogs and marketed specifically toward supporting aging dogs' cardiovascular health, energy, and stamina. At 0.63 pounds for 60 chews, it's built as a daily supplement rather than an occasional treat.", 'Priced at $34.99, it sits toward the premium end of the antioxidant and heart support category. With 867 reviews averaging 4.3 stars and roughly 1,000 bought last month, it has a solid and active buyer base.']
Pros
Detailed, published ingredient list with specific milligram amounts
Combines taurine, L-carnitine, CoQ10, and omega fatty acids in one chew
Pork flavor for palatability
Strong recent demand with about 1,000 bought last month
Cons
Premium price compared to other antioxidant chews in this silo
Formulated for large breeds, so smaller dogs would need dosage guidance
Not a substitute for prescribed heart medication in diagnosed cases
Specifications
Form
Soft Chews
Flavor
Pork
Benefits
Cardiomax Is Specially Formulated For Dogs, Ensuring A Healthy Heart And Overall Well-Being. Enriched With Vital Nutrients, It Boosts Energy And Stamina In Both Active And Aging Dogs.
Best for
Cardiovascular Health Maintenance, Circulatory Strength, Heart Muscle Function, Support For Aging Dogs.
Breed size
Large
Weight
0.63 Pounds
Performance notes
The ingredient list leans heavily on nutrients often associated with cardiovascular support, taurine, L-carnitine, CoQ10, and omega-3s among them, which is why the label focuses on circulatory strength and heart muscle function rather than general wellness. Dogs with an existing heart diagnosis should only start this alongside a vet's guidance, since supplements are meant to support, not treat or cure, heart disease.
What buyers say
With 867 reviews averaging 4.3 stars and roughly 1,000 units bought last month, CardioMAX Heart Support chews show strong, active demand, suggesting many owners of large or aging dogs are turning to this formula as part of their heart health routine.
No, this supplement is formulated to support cardiovascular health and heart muscle function, not to treat or cure diagnosed heart disease. Dogs with a heart condition should be under a vet's care.
What size dog is this formulated for?
The label specifies large breed dogs, so owners of smaller dogs should check with their vet about appropriate dosing before using this product.
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