Do you want to help your dog age healthily, maintain a beautiful coat, keep joints flexible, and ensure good digestion? Well-chosen supplements make a real difference. Here is our guide to the best supplements for dogs, categorized by need, starting with the only one we recommend for almost every dog: seal oil.
In summary: If you had to choose only one supplement, it would be seal oil. Its omega-3s affect almost everything: skin, coat, joints, immunity, and cognitive function. Other supplements come next, depending on your dog's specific needs.
1. Seal oil: the essential supplement for every dog
Seal oil (also known as harp seal oil) is our number one must-have. The reason is simple: it is the most complete omega-3 for dogs.
Unlike ordinary fish oils, seal oil naturally contains three omega-3s: DHA, EPA, and DPA. Most fish oils provide virtually no DPA, yet it is specifically this component that supports circulation and tissue repair. It is this complete trio that makes it a unique product.
| Omega-3 | Seal oil | Regular fish oil |
|---|---|---|
| DHA | Yes | Yes |
| EPA | Yes | Yes |
| DPA | Yes | Little to none |
Who it's for: just about all dogs, from puppies to seniors. It is particularly useful for a dull coat, dry and itchy skin, joints that stiffen with age, or simply to support daily immunity.
Our seal oil selection
Our signature product. Made in Quebec, available in three sizes to fit your dog's build. It is our most versatile option and the one we recommend first.
The affordable option for discovering seal oil. Same complete omega-3s (DHA, EPA, DPA), at a low entry price.
Open Farm, Icelandic Herring and Salmon Oil
The marine alternative for those who prefer fish oil. Traced from the source, certified sustainable, from a Canadian company.
2. Joints and mobility
As soon as your dog hesitates before jumping on the couch, climbs the stairs more slowly, or gets up stiffly in the morning, it's time to support their joints. Active dogs, large breeds, and seniors benefit the most.
Look for glucosamine, chondroitin, MSM, green-lipped mussel, or collagen, depending on the intensity of the need.
PÜR Evolution Green Lipped Mussel
A natural anti-inflammatory recognized for joint comfort. Easy to sprinkle on food.
PÜR Evolution, Joint Support and Mobility
A complete formula (glucosamine, chondroitin, MSM, and more) designed for dogs that are slowing down. Made in Quebec.
PÜR Evolution Marine Collagen et Kolladog (liquid collagen)
Collagen supports joints, skin, and coat alike. Two great Quebec-made options, available in powder or liquid.
Tri-Acta et Tri-Acta H.A. (Maximum Strength)
A concentrated powder, free from fillers. The H.A. version adds hyaluronic acid for more advanced cases.
3. Digestive Health and Probiotics
Loose stools, gas, food transitions, recovery from antibiotics, or sensitive digestion: a good probiotic rebalances the intestinal flora. And since a large part of immunity starts in the gut, a dog with good digestion is a stronger dog overall.
Probio+ pre and probiotics for dogs
Our Quebec reference for daily gut health. The Probio+ range is also available in fast-acting Vivoflora version and in paste in a tube for digestive flare-ups.
An all-in-one that combines probiotics, prebiotics, and digestive enzymes.
Gentle and natural relief to regulate digestion. Low in calories, most dogs absolutely love it.
4. Skin and coat
A dull coat, dandruff, itching, or excessive shedding are often signs that the skin lacks support. Seal oil (section 1) is already an excellent starting point. To go further, zinc plays a key role, especially in certain predisposed breeds.
Boréal Zinpro Z2+ (chelated zinc)
Targeted skin, coat, and immunity support thanks to organic zinc, which is better absorbed. Ideal for dry skin and coats lacking luster.
Progility, skin and coat formula
Tasty bites to nourish the skin and make the coat shine from within.
5. Dental health, without brushing
Bad breath, plaque, and tartar are not just a matter of aesthetics: oral health influences a dog's overall health. The good news is that some supplements work without brushing.
buco+ dental care (version for dogs over 15 kg)
One of our bestsellers. A 100% natural Quebec supplement that tackles plaque, tartar, and bad breath, simply sprinkled onto food.
A world-renowned marine algae powder with no additives. A small daily dose, without brushing or anesthesia.
A gentle and targeted application for dogs that accept direct care on the gums.
6. Calm and stress management
Fireworks, thunderstorms, grooming visits, car trips, or separation anxiety: a natural calming supplement can help your dog cope better during these moments without sedating them.
A Quebec-made, sedative-free formula, suitable for both occasional stressful events and daily support for anxious dogs.
Convenient calming chews to give before a stressful event.
7. Immunity and antioxidants
To support natural defenses, especially in aging dogs, antioxidant-rich superfoods are an excellent supplement to their diet.
North Hound Life, Chaga and Blueberries
An antioxidant-rich superfood duo to support the immune system. Canadian brand, organic ingredients.
🌿 Where to start? If your dog has no specific needs, start with seal oil. If a specific need arises (joints, digestion, skin, teeth), add the targeted supplement from the appropriate section. There is no need to give everything at once: two or three well-chosen supplements are better than a long list.
Frequently Asked Questions
What is the best supplement for a dog in general?
L'huile de loup marin est le choix le plus polyvalent, parce que ses oméga-3 (DHA, EPA et DPA) soutiennent à la fois la peau, le pelage, les articulations, l'immunité et la fonction cognitive. C'est celui que nous recommandons à presque tous les chiens.
Seal oil or fish oil: what is the difference?
Both provide DHA and EPA. Seal oil stands out because it also contains DPA, a third omega-3 that ordinary fish oils practically do not provide. This is what makes it the most complete omega-3 for dogs.
How long before seeing results?
It depends on the supplement and the dog. For skin and coat, it often takes a few weeks. For joints, improvement is generally felt over a few weeks of regular intake. For digestion, some effects can be observed more quickly. Consistency is key.
Can multiple supplements be combined?
Yes, several supplements combine very well (for example, seal oil with a probiotic). The important thing is to introduce them gradually and target your dog's actual needs rather than accumulating them.
My dog is a picky eater, how can I give them a supplement?
Most of our supplements come in powder, liquid, or bite-sized formats that mix easily with food. For oils, simply pour the dose over the meal. If you are unsure about the format or dosage, the Sherbrooke Canin team can guide you based on your dog's weight and profile.
Ready to choose the right supplement for your dog?
Discover our entire selection of supplements and care products, chosen with the same care as for our own dog, Fidji.
See all dog supplements
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