Dog supplements: does your dog need one, and how to choose

You look at your dog and wonder: is a dog supplement really worth it for mine? It's a great question, and the answer isn't always yes. In many cases, their food already covers their needs. In others, a supplement can have its place. Here's how to see clearly, step by step, with your veterinarian as your partner, followed by the misconceptions worth setting aside.

Step 1: Look at what they eat

It all starts in the bowl. On the food bag, look for a statement saying the food is complete and balanced for your dog's life stage (growth, adult, etc.).

• If it is and your dog eats their normal portion, they generally get the vitamins and minerals they need. A supplement isn't required.
• If you make their meals at home, raw or cooked, it's a different story. A homemade diet is hard to balance without help. Ask your veterinarian to point you to a complete recipe, with or without a supplement, or to a veterinary nutrition professional.
• If half their daily intake comes from table scraps or treats, their diet can also get out of balance. Treats should stay a small extra.

Step 2: Consider their age and lifestyle

Needs change over a lifetime.

• Puppies grow fast. A complete puppy food is usually enough. Don't add a supplement, especially calcium, without your veterinarian's advice: too much can harm their growth.
• Healthy adult dogs that eat well usually don't need more.
• Senior or picky dogs may eat less and not finish their portion. Food suited to their age and more regular vet check-ups are the right place to start. Our guide to caring for an older dog has more pointers.
• Very active dogs, like sled or canicross dogs, often eat a more energy-dense food. Talk about their needs with your veterinarian.

Step 3: Observe, without jumping to conclusions

Some signs deserve your attention: a dull coat, dry skin, unusual tiredness, loss of appetite or weight. But careful: these signs can have many causes, such as an allergy, parasites, a thyroid problem or a dental issue. A lack of vitamins is only one possibility among many.

Giving vitamins "just in case" can delay the right answer. If you notice a change, the first step is a visit to the vet.

Step 4: Talk to your veterinarian

Your veterinarian knows your dog's history. They can examine your dog and run tests if needed. Prepare for the visit with a few details:

• the name and amount of food they eat every day;
• the treats and table scraps they get;
• any supplements or medications they already take;
• the changes you've noticed, and since when.

Together, you can decide whether a supplement makes sense, and which one. It might be to balance a homemade diet, to help a dog who eats little, or simply because you'd like to add a small wellness habit to a healthy dog's routine, sticking to the recommended amount.

Step 5: How to choose a dog supplement

If you decide to go ahead, here's what a good dog dietary supplement should check off:

• it's made for dogs;
• the label names each ingredient and gives the amounts per serving;
• the dose is clear and matched to your dog's weight;
• allergens are easy to spot;
• your dog likes the taste.

One at a time

Avoid combining several supplements without your vet's advice. If you're wondering which vitamins and minerals do what, our guide Vitamins for dogs walks through them one by one.

Think about the format

A supplement does nothing if it stays in the cupboard. If your dog spits out pills, the routine quickly becomes a chore for you both. A treat format makes it easier: your dog gets it as a little reward.

That's the idea behind our chicken-flavoured multivitamin treat, formulated to support your dog's overall health. The jar lists the amount of each vitamin and mineral per 2 chews, along with the serving by weight, from 1 to 4 chews a day.

Dog supplements: 4 myths to set aside

These misconceptions come up often when people talk about multivitamins and supplements for dogs. Let's take them one at a time.

Myth 1: "The more, the better"

False. It's actually the opposite. Some vitamins, like A and D, build up in the body, and too much can become harmful. Always follow the dose shown for your dog's weight.

Myth 2: "My own vitamins will do the trick"

False. A dog's needs aren't a human's. The doses are different, and some human products contain xylitol, a sweetener that's toxic to dogs. A fun fact while we're at it: unlike us, dogs make their own vitamin C. Keep your own medications and vitamins out of reach. To learn more, see our article on foods that are toxic to dogs.

Myth 3: "A supplement can replace good food"

False. A supplement adds to the diet; it doesn't replace it. The protein, fat and energy your dog needs come from their meals. If their food isn't right for them, that's what to look at first.

Myth 4: "Natural means risk-free"

False. A natural ingredient can still cause a reaction in a sensitive dog, or not mix well with a medication. Read the ingredient list, look for allergens and talk to your veterinarian if your dog takes medication.

In short: does your dog need a supplement?

Your dog doesn't necessarily need a supplement. Start by looking at what they eat, consider their age and lifestyle, observe them, then talk to your veterinarian. If a supplement would help, choose a product made for dogs and stick to the dose. It's neither a must nor a miracle fix, and your veterinarian remains the best reference for your companion's health.

Frequently asked questions

Supplement, dietary supplement, multivitamin: what's the difference?

"Supplement" and "dietary supplement" mean the same thing: a product added to your dog's food. A dog multivitamin is one type of supplement that combines several vitamins and minerals.

My dog eats good food. Can a supplement do harm?

At the recommended dose, a dog supplement is designed to be added to their food. The risk mostly comes from excess: doses exceeded or several supplements combined.

Can a blood test show a vitamin deficiency?

Some tests can help your veterinarian assess the situation. They're the best person to decide which ones are useful for your dog.

My dog seems tired. Should I give them vitamins?

Not before seeing your vet. Ongoing tiredness can have several causes, and it's best to find the right one.

What should I do if my dog eats the whole jar by accident?

Call your veterinarian right away, with the jar in hand so you can read them the ingredient list and amounts.