Nutramax
Cosequin DS Plus MSM Joint Health Supplement
$32–$72
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Best for
First-line joint supplementation for dogs of any size
If you're going to put a dog on one supplement, this is the one. The Nutramax line is the only canine joint supplement with multiple peer-reviewed trials behind its specific glucosamine/chondroitin forms. Start here, give it six weeks, then judge.
What works
- Most veterinarian-recommended joint supplement brand in the U.S.
- Contains FCHG49 glucosamine and TRH122 chondroitin — the patented forms used in published canine trials
- MSM adds anti-inflammatory support
- Chewable tablet, palatable for most dogs
What doesn't
- Tablets are large; some small dogs need them split
- Slow onset — give it 4–6 weeks to evaluate effect
- Not vegan-friendly (chondroitin is animal-derived)
Specifications
- Materials
- Glucosamine HCl 600 mg, sodium chondroitin sulfate 300 mg, MSM 250 mg per tablet
- Sizes
- Small/Medium dogs · Large dogs
- Warranty
- Manufacturer satisfaction guarantee
- Made in
- USA
Where we recommend it
The articles this product earns a place in, and the context it earns it for.
- Dasuquin vs Cosequin: The Real Difference (and Where Green-Lipped Mussel Fits)
Dasuquin vs Cosequin comes down to one ingredient: ASU. Same manufacturer, same patented glucosamine and chondroitin — who should pay the 30–40% premium, and where green-lipped mussel fits in.
- Joint Supplement Doses by Dog Weight: 5 lb Chihuahuas to 120 lb Danes
Joint supplement dosage for dogs by weight, in one reference table: label loading and maintenance doses for Cosequin, Dasuquin, and Zesty Paws, from 5 lb toys to 120 lb giants.
- Arthritis in Labradors: The Weight Connection Nobody Wants to Hear About
Labrador arthritis runs on three rails: joint genetics, a famous appetite, and extra pounds. Why keeping your Lab lean beats any supplement, and how to exercise and equip a stiff Lab.
- The Best Joint Supplements for Dogs (2026)
After six months trialing chews, tablets, and liquids in our test home and reviewing the canine clinical literature, these are the joint supplements we actually recommend.
- Hip Dysplasia in Dogs: Symptoms, Treatment, and the Gear That Helps
What canine hip dysplasia actually is, how to spot it early, the medical and surgical options, and the day-to-day equipment that improves quality of life.