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Best Supplements for Small Dogs

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A walk down the supplement aisle at any pet store can certainly be overwhelming! There are so many options, and some of them are quite costly. You might wonder, “Does my dog really need this?” The answer may surprise you.

small terrier and tiny chihuahua looking up

Many dogs may benefit from supplements being added to their diet. Most often, supplements initially become necessary as dogs advance in age.

This article will discuss some of the most common supplements for small breed dogs and why it would benefit your dog for these supplements to be a part of their health and wellness care plan.

Why should I give my dog supplements?

Dogs who are fed quality commercial food receive all the nutrients they need. However, they sometimes have other needs that may be met or improved by the addition of a supplement to their daily diet.

Similar to how humans take supplements and vitamins to meet specific needs, dogs have similar choices available to them.

Does my dog really need supplements?

Some dogs can truly benefit from supplements, but not all dogs need them. Most dogs tend to benefit from supplements as they age rather than in puppyhood.

For example, a senior dog who is moving more stiffly usually benefits from a joint supplement.

If you are considering giving your dog a supplement, consult with your dog’s veterinarian to see what they would recommend before administering the supplement.

group of chihuahuas

How do I know if a supplement is safe for my dog?

Similar to how people have allergies and unique needs that necessitate avoidance of certain foods or medicines, some dogs may not be able to safely take certain supplements. In the case of canines, there are certain things that dogs just cannot have, which limit what supplements may be administered.

For example, garlic is often sold as a natural supplement for flea control, and I have heard some people in foreign countries utilize garlic in their dog’s diets for a similar purpose. However, according to the American Kennel Club, it is toxic to dogs.

The only way to know for sure if a supplement is safe for your dog is to consult with a trusted veterinarian. If you are unsure if a supplement is safe, do not administer it first and ask questions later; always ask questions first to keep your dog safe and healthy.

How do I choose a supplement for my dog?

No one knows your dog better than you; you will notice physical changes in your dog and there are appropriate supplements that can assist your dog with those changes. Other times, your dog’s veterinarian may recommend the addition of a supplement to your dog’s diet.

For example, one of my readers was taking her Chihuahua, Maxine, to the veterinarian almost every two weeks due to severely soft stool. Maxine’s veterinarian recommended Purina FortiFlora be added to her meals and this probiotic greatly assisted Maxine’s digestive health.

What Are The Best Supplements for Small Dogs?

Based upon my personal experience and feedback from my readers, I have compiled a list of the most common supplement needs, and good quality supplements to meet those needs:

Joint Health
The most frequent supplement needed is joint support. As dogs age, most of them begin to suffer from arthritis. When owners notice their dogs slowing down, a joint support supplement can help keep them comfortable and moving better.

Cosequin is a high-quality, effective supplement that helps seniors stay comfortable. Several of my readers have told me that they saw a noticeable difference in their senior’s movement and comfort when Cosequin was administered.

This joint supplement comes in many different forms to suit different breeds, the severity of joint stiffness, and sizes of dogs. I would recommend the following for small breeds based on their unique needs:

  • Cosequin soft chews may be offered as a tasty treat.
  • Cosequin chewable tablets may be crushed and mixed into wet food to offer joint support to dogs without teeth.
  • For dogs with a need for a stronger supplement, many veterinarians recommend Dasaquin. These chewable tablets may be fed as a treat or crushed and mixed into wet food.

closeup of dog's bad teeth

Oral Health
Small breeds are prone to dental health issues, so many owners decide to administer supplements to support dental health early in life as a preventative measure.

However, many veterinarians agree that the majority of the oral supplements available at pet stores are not effective. Keep in mind that even if you administer one of my recommended oral health supplements, regular dental care should always be arranged to include brushings at home and professional veterinary dental cleanings.

Based upon my veterinarian’s recommendation, and confirmation of success from my readers, there are three oral supplements that I am confident to recommend:

*Consult with your veterinarian before feeding your dog a prescription diet.

Coat Health
Dogs who suffer from dry skin, or light-colored dogs who get tear stains on their faces, benefit from supplements that support healthy skin and coat.

  • Angel Eyes soft chews are designed to help reduce tear stains on light-colored dogs.
  • Animal Essentials Ocean Supreme Fish Oil or Pet Honesty Wild Caught Fish Oil supports healthy skin and coat. Simply use the pump to squirt the recommended dose on your dog’s meals, then mix thoroughly. It is very odiferous and you might be afraid that your dog would refuse to eat it, however, most dogs love fish oil and eat it without complaint.
  • Free Form Snip Tips make it easy to administer the right dose of fish oil and may be less messy than a pump bottle of fish oil.

Digestive Health
Some dogs have digestive upset or have overactive anal glands. Both of these issues may be supported with supplements:

  • Purina FortiFlora is a probiotic powder supplement that may be mixed into a dog’s meals. Veterinarians recommend this for healthy bowel movements and digestive health.
  • Glandex is a peanut butter flavored soft chew supplement that helps dogs with overactive anal glands. Administering this supplement is said to help dogs require fewer gland expressions.

Emotional Health
Dogs who suffer from anxiety may be given calming supplements such as:

group of small dogs

Overall Health
Dogs who are fed homemade diets or raw diets should be fed a multivitamin to ensure that all their nutritional needs are met. Dogs who are fed a commercial diet do not usually require multivitamins; consult with your veterinarian to see if your dog would benefit from a daily multivitamin.

The Zesty Paws Multivitamin is a tasty chicken flavored soft chew that will make this vitamin seem like a treat.

Vitamins for Puppies

We really like these vitamins for puppies from Waggedy Chewable Dog Vitamins .

Closing Considerations
Many dogs may benefit from supplements. By studying your dog’s overall health and consulting with a trusted veterinarian, you can determine what supplements your dog may benefit from.

Remember that supplements are never a substitute for veterinary care and they cannot cure any medical issues. However, they do have the potential to help your dog have a better quality of life by making them more comfortable.

What supplements have you given your dog? Did you notice a difference in their comfort and quality of life? Let us know if there’s a supplement that works great for your dog. Share your experience in the comments.


female vet holding fuzzy dog

Dr. Sara Ochoa


This article has been fact-checked and approved by Dr. Sara Ochoa DVM. You can read more about her on our About page.


Sunday 9th of January 2022

There are no suggestions for a chihuahua puppy multi-vitamin. I would like to know of one. I have a 5 month, 2 pound, female long hair puppy and she is super active and is teething. I don't believe she is getting enough of what she needs from just the dry food.


Monday 10th of January 2022

Thanks for suggesting this. I'll add it to the post. We like these vitamins for puppies:


Saturday 21st of November 2020

Qrescued a sweeeet Emile chi 5 months ago❣️ She was shedding & constantly scratching. I started her on a home made clean diet if all organic lean turkey & veggie with some quinoa, another blend to alternate is wild caught salmon again with the veggies & quinoa. 2 walks a day (which she loves) & in 6 weeks she became a lean silky no shed beauty🐾❣️


Saturday 21st of November 2020

That's great Lorrie. How did you prepare the turkey?

Cindy and Buffy

Monday 19th of October 2020

Thank you Cathy outstanding information and guidance to ensure our little loves have the best health precious to their longevity!♥️


Tuesday 20th of October 2020

You are very welcome!

Lillian Peracchia

Monday 19th of October 2020

Love your newsletter...


Monday 19th of October 2020

Thanks Lillian!


Monday 19th of October 2020

I love this newsletter, I have an 8 month old deer head Chi I g0t here a 4 months old. She has been trained for nothing. I had a long haired Chi, it was killed a few months ago, very different puppies. this newsletter helps a lot with both. I love this newsletter,


Monday 19th of October 2020

Glad it's helping Kathy!