If you’ve looked into joint supplements for your dog, you’ve probably seen the words glucosamine and chondroitin a lot! They’re two of the most common ingredients for joint support, but what exactly are they? And why are they always paired together? Let’s get into it!
What Is Glucosamine?
Glucosamine is a naturally occurring amino sugar produced by the body that builds and maintains cartilage; the tough, flexible tissue that cushions and protects the joints. It stops them from rubbing together when they move, for comfortable, frictionless mobility.
Your dog’s cartilage naturally breaks down with age, leading to inflammation and pain, but taking glucosamine can help. While it can’t repair or rebuild lost cartilage, it can slow the breakdown and support the maintenance of what’s already there.
What Is Chondroitin?
Chondroitin is another naturally occurring substance found in cartilage, but it plays a slightly different role. Its primary job is to help cartilage retain water and maintain elasticity, so it can continue to lubricate and cushion the joints.
Why Are Glucosamine and Chondroitin So Often Combined?
Most dog supplements combine glucosamine and chondroitin because they work so well together, targeting and covering different aspects of cartilage health. Glucosamine provides the building blocks for cartilage maintenance, while chondroitin keeps it hydrated and flexible.
Realistic Results
It’s important to remember that no supplement can reverse aging or arthritis, only ease the symptoms that come with them. Many owners report:
- Better mobility, movement and stamina
- More energy and excitement about walks
- Easier standing, climbing, and jumping
- Less stiffness, discomfort, and pain

Consistency Is Key
Joint supplements aren’t quick fixes. It can take weeks to see meaningful improvements, so be patient, and remember, consistency is key! It’s best to make your dog’s supplements a part of their daily routine by mixing them with food at mealtimes or replacing one of their daily treats (if it’s chewable). That way, you won’t miss a dose and you’ll see a difference much sooner.
Which Dogs Benefit Most From Glucosamine and Chondroitin?
While any dog can benefit from maintaining healthy joints, supplements are especially good for:
- Senior dogs
- Large breeds
- Active breeds
- Arthritic dogs
- Overweight dogs
- Injury recovery
Old age, a bigger body, certain injuries, and a higher activity level can all cause strain on the joints and increase the likelihood of arthritis.
Our Favorite Glucosamine & Chondroitin Supplements:
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Description: Vet Naturals Hemp & Hips quickly delivers a CBD richer in joint-supporting cannabinoids and terpenes, easing joint pain and anxiety in as little as 10 minutes. The 100% naturally organic blend is formulated by vets and Made in the USA. |
Description: The Native Pet Daily All-in-One Powder Supplement for Dogs gives your buddy complete support in one easy scoop. This powder helps maintain your barking buddy’s overall health, including mobility, energy, gut health, digestion, bladder health, skin, and more. With twelve powerful active ingredients, this supplement is designed to give your pup a boost from snout to tail. |
Description: With Goat Milk as the #1 ingredient, Goat Milk Hip & Joint formula is great for picky eaters. It features whole cream goat’s milk for irresistible flavor, combined with glucosamine, MSM and green-lipped mussel—three natural ingredients designed to support healthier joints. |
Vet Naturals Hemp & Hips quickly delivers a CBD richer in joint-supporting cannabinoids and terpenes, easing joint pain and anxiety in as little as 10 minutes. The 100% naturally organic blend is formulated by vets and Made in the USA.
The Native Pet Daily All-in-One Powder Supplement for Dogs gives your buddy complete support in one easy scoop. This powder helps maintain your barking buddy’s overall health, including mobility, energy, gut health, digestion, bladder health, skin, and more. With twelve powerful active ingredients, this supplement is designed to give your pup a boost from snout to tail.
With Goat Milk as the #1 ingredient, Goat Milk Hip & Joint formula is great for picky eaters. It features whole cream goat’s milk for irresistible flavor, combined with glucosamine, MSM and green-lipped mussel—three natural ingredients designed to support healthier joints.
Other Ingredients To Watch Out For
Glucosamine and chondroitin are not the only go-to’s for better joint health. Other ingredients to look out for include:
- Omega-3s – Joint-nourishing fatty acids found in fish oils like salmon
- Green-Lipped Mussel – Rich in ETA, a rare, potent type of Omega-3, which blocks enzymes that cause pain and inflammation in the joints
- MSM – Preserves cartilage, builds connective tissues, and lowers inflammation
- Collagen – A structural protein that contributes to healthy connective tissues
- Hyaluronic acid – Helps to lubricate the joints for better mobility
- Turmeric – Famous for its anti-inflammatory and pain-killing properties
Recommended supplements:
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Made exclusively from sustainably sourced, wild-caught fish, Nordic Naturals Omega-3 Pet provides daily omega-3s to support cats and dogs from head to toe. Essential fatty acids EPA & DHA help support healthy skin & coat, normal joint function, eye and brain health, healthy cardiovascular function, and immune system function. |
Designed for your young-at-heart furbaby, these treats are made to help support hip and joint flexibility and mobility. Keep your buddy jumping, chasing, playing, and doing everything he loves with these everyday chews that help support relief from all of his daily adventures. |
Zesty Paws Turmeric Curcumin Bites are soft chews that contain premium Qmin+ and BioPerine, along with other ingredients that support mobility, gut health, liver function, and skin health for dogs of all sizes, ages and breeds! |
Made exclusively from sustainably sourced, wild-caught fish, Nordic Naturals Omega-3 Pet provides daily omega-3s to support cats and dogs from head to toe. Essential fatty acids EPA & DHA help support healthy skin & coat, normal joint function, eye and brain health, healthy cardiovascular function, and immune system function.
Designed for your young-at-heart furbaby, these treats are made to help support hip and joint flexibility and mobility. Keep your buddy jumping, chasing, playing, and doing everything he loves with these everyday chews that help support relief from all of his daily adventures.
Zesty Paws Turmeric Curcumin Bites are soft chews that contain premium Qmin+ and BioPerine, along with other ingredients that support mobility, gut health, liver function, and skin health for dogs of all sizes, ages and breeds!
Not All Joint Supplements Are Created Equal
The ingredients list is not the be-all and end-all of a good supplement. Quality and dosage matter too! Some supplements include trendy ingredients in their formula to attract their target audience, but lack high quality sources or quantities big enough to make a real difference.
Always check the label for third-party certification seals and avoid cheap or “proprietary” blends. It’s best to ask your vet about what your dog needs specifically, but general guidelines recommend a daily dosage of glucosamine and chondroitin starting at 7-14 mg per pound for the first 4 – 6 weeks, then halved for long-term maintenance.
The Bottom Line
When it comes to these two ingredients, the most important thing to know is that it’s not an either-or situation. Glucosamine helps to maintain cartilage, while chondroitin keeps it comfortable. When taken together, they form the foundation of good joint health and mobility.
Author
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View all postsLaura is an experienced pet writer & dog lover with a degree in animal media creation, as well as years of practical hands-on experience with dogs. She has owned Border Collies all throughout her life and has worked and volunteered with dogs of all kinds.