Recommended By Over 3,000 Vets

For over 40 years

Dr. Bill Barnett

Made in the USA

To ensure safety and efficacy, all Dr. Bill’s Supplements are made in the U.S. to NASC (National Animal Supplement Council) standards.

Dr. Bill Barnett

Research Based

Dr. Bill is a veterinarian who specializes in nutrition research. He has been dedicated to developing the finest dog and cat supplements since 1982. His sophisticated formulations are based on over forty years of research to ensure safety, efficacy, and palatability.

Dr. Bill Barnett

Highest Quality Ingredients

Our supplements are made with the finest natural ingredients available. They are biologically appropriate for cats and dogs to provide proactive nutritional support for a variety of health concerns.

A More Complete Supplement for Pets

Compare the number of active ingredients to any other product. AVN’s formulas are based on extensive research and have been used and recommended for over 40 years.

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Complete Daily Wellness

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Digestive Wellness

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Cognitive Function

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Immune Support

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Complete Joint Care

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Behavior Support

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Skin & Coat

Most commercially available pet foods do not contain all the essential nutrients dogs and cats need for optimum health.

AVN formulates research based supplements for every stage of life

Health Information Resources

Easy to Use

Sprinkle onto dry food or mix with water for a tasty broth!

Developed by Dr. Bill Barnett

Dr. Bill Barnett is a leading expert in pet nutrition. Since 1982, he has used his skills and knowledge to develop supplements that promote optimum nutrition in both dogs and cats.

Dr. Bill’s experience and careful attention to the specific nutritional needs of animals throughout all stages of life has led to the development of a line of products that are safe, effective, palatable, and maximize the full potential of the dog and cat – allowing them to live healthier and longer lives.