Antinol Plus: 50% off 1st Subs. w/code GET50.

Keep Happiness in Motion

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Keep Happiness in Motion

Shop Dog Shop Cat

Keep Happiness in Motion

Shop Dog Shop Cat

Clinically Proven

Works Better & Faster*

Patented Formula

Natural & Sustainably Sourced Ingredients

100% Human Grade

Clinically Proven

Works Better & Faster*

Patented Formula

Natural & Sustainably Sourced Ingredients

100% Human Grade

Clinically Proven

Works Better & Faster*

Patented Formula

Natural & Sustainably Sourced Ingredients

100% Human Grade

For Dogs

Improve joint health today for endless zoomies.

Shop for Dogs

For Cats

Support healthy joints to keep your cats nimble, agile, and ready to pounce.

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As Seen in

Logo featuring the American Kennel Club emblem and text celebrating USA 250.
Senior Dog Veterinary Society logo.
USA Today logo.

Potent Ingredients,
Proven Results.

Antinol Plus provides joint care that works as hard as your pet plays. Backed by 40 years of research and 4 double-blind clinical studies, the natural, 100% human grade, and clinically proven formula delivers faster results than most joint supplements. See improvements in as little as 30 days and give your pet care that is clinically proven to work better and faster than glucosamine and chondroitin.

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Harnessing the Power of Nature.

Antinol Plus is powered by our patented blend of green-lipped mussel oil and Antarctic krill oil that is extracted through a proprietary process that preserves the full spectrum of the active marine compounds. The result is a potent, natural formula that is as clean and pure as the waters it's sourced from.

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Harnessing the Power of Nature video thumbnail
20 Years of Human Expertise video thumbnail

Over 20 Years of Human
Expertise, now for Pets.

Antinol Plus is brought to you by Pet HealthWorks, a company dedicated to supporting animal health through effective, science-based supplements. Pet HealthWorks is a Great HealthWorks company, a lead in premium human supplements for over 20 years. It is the same standard of care, now for your pet's joint and mobility health, and the same promise behind every one of our brands: Care for Life.

What that means:

Manufactured
in USA from
Globally Sourced
Ingredients

Pet
HealthWorks,
Inc. is a NASC
Member

Strictest Quality
Guidelines

Nationwide
Distribution

What Every Pet Parent Deserves:

Every pet deserves the best, which is why our supplements are crafted under strict manufacturing standards and proudly bear the NASC Quality Seal. From ingredient transparency to rigorous quality standards, we ensure your pet gets safe, effective support you can trust.

Look for the Seal

Quality
Assurance

Ingredient Transparency

Regulatory Compliance

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  • Keep Their Care Consistent
    Never miss a serving - support long-term joint health with regular shipments.
  • Save More with Every Order
    Enjoy exclusive savings on every subscription.
  • Hassle-Free Convenience
    Stay stocked without the stress of reordering. Plus, pause, delay, or cancel anytime.

See for Yourself!

What other pet parents are saying:

Read Antinol® Plus User Reviews

Bark & Learn

Explore valuable tips, advice, and insights into pet health and wellness.

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What Are Specialized Pro Resolving Mediators (SPMs)?

What Are Specialized Pro Resolving Mediators (SPMs)?

If you have researched joint and mobility support for your dog or cat, you have probably run into a lot of talk about omega 3s.
Jul 31, 2026
Green Lipped Mussel Oil vs Fish Oil: What's the Difference?

Green Lipped Mussel Oil vs Fish Oil: What's the Difference?

Fish oil has been the go to omega 3 supplement for pets for decades, but it is not the only marine source of omega 3s, and it may not be the most complete.
Jul 31, 2026
Green-lipped Mussel Oil vs. Glucosamine and Chondroitin

Green-lipped Mussel Oil vs. Glucosamine and Chondroitin

For decades, glucosamine and chondroitin have been the default answer for supporting a dog's joints. They are in nearly every chew on the shelf.
Jul 31, 2026

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