Best Dog Supplements 2021: Reviews & Buyer’s Guide

Dog supplements work in the same way as the supplements available for humans do. Our supplements bridge the nutritional gap in our daily food intake and ensure that our body gets a balanced diet. The same is the case with dog supplements and thus, it’s important to provide them the best dog supplements.

Dog supplements bridge the nutritional gap in dog food, but pet parents often rely on pet foods for a balanced supply. This often results in the deficiency of important nutrients. When that happens, vets would suggest some dog health supplements that can make the amends. 

Well, to make things easier for your pets and for you, we have curated some of the best dog supplements certified by the vets and also by the Association of American Feed Control Officials (AAFCO). Without much ado, let’s dive deep and find out the best dog supplements that work for your dog.

Top 12 Best Dog Supplements 2021

1. Zesty Paws No Grain Multifunctional Supplements

Zesty Paws No Grain Multifunctional Supplements Best Dog Supplements

Zesty Paws is a brand name when it comes to dog supplements and their range has some of the best dog supplements trusted by many pet parents and vets alike. This one has chicken as its base component and that adds flavor to the tablets. It comes in the form of easily digestible chews; thus, it’s light on the dog’s digestive system.

As it is in the chewable form you can either feed your dog directly or hide it in their wet foods. The chicken flavor of the chews would surely be liked by your pet and you won’t have a hard time trying to feed them the supplements.

The formula is highly recommended for dogs with sensitive skin (highly prone to allergies and other infections). This is because the codfish liver oil and Vitamin E oil help in retaining the moisture content of the skin and prevent the excessive drying out of the skin. Also, Vitamin E oil is highly helpful in promoting the growth of strong hair follicles that don’t shed easily. So, if your dog is experiencing heavy shedding or any other skin-related problems, then this is the supplement to go for.

Apart from the richness of Vitamin E and liver oil, the supplements contain vital nutrients that aid the overall health of the joints and muscles. It also contributes to their optimal performance. The glucosamine chondroitin and MSM in the chews are the main ingredients that promote good joint and muscle health. These components are usually found in adult joint supplements as well.

The supplements are devoid of all kinds of grain, corn or soy derivatives; thus, they are suitable for all dogs irrespective of their breeds and sizes. The chews promote good hip & joint, heart, immune, skin, liver, and gut health. They are rich in antioxidants and don’t contain any artificial flavorings or colorings.

Vitamin A, C, and E present in the supplements also aids in cardiovascular health and enhance the immune system of the dog. This helps in preventing all the potential diseases and infections that your dog easily catches.

Overall, the product is one of the best dog supplements featured on this list and is recommended by pets and pet parents alike.


  • Has a chicken base
  • Free from artificial colorings, flavors, and preservatives
  • Best for joint and muscle health
  • Improves the overall performance of the dog
  • Aids the growth of healthy hair coat
  • Suitable for dogs with severe infections and allergies
  • Doesn’t contain any filler contents like soy, corn, or grain derivatives
  • Has a premium probiotic blend that aids the gut health of the pet


  • Some dogs might experience diarrhea in the first week of usage


2. NaturVet All-in-One Dog Supplement

NaturVet All-in-One Dog Supplement

This pet supplement from NaturVet provides four benefits. It takes care of the hip and joints, provides the necessary nutrition for the hair coat, supplies the required digestive enzymes, and contributes to the overall well-being. This all-in-one solution is perfect for dogs above 12 weeks of age, but the serving size varies. The serving size is well explained at the back of the supplements’ cover.

The supplement is loaded with omega 3, 6, and 9 and also contains the necessary vitamins required for the healthy growth of the hair coat. If your pet suffers from skin sensitivity and other skin infections, then this is a great supplement for your pet.

The supplements trap in the natural moisture and prevents the drying up of the skin. This ensures that your dog doesn’t get frequent rashes which in turn reduces the overall shedding activity.

The supplement comes in the form of easily chewable tablets and has 120 chews in a single pack. It is free from all kinds of derivatives of soy, corn, or wheat. Thus, it is suitable for dogs with allergies to soy and corn derivatives.

Coming to the taste of the product, it has a natural meaty flavor and would be easily liked by your pet. You can either mix it with their wet food or feed them directly.

The main ingredients in the product are glucosamine and MSM that promote the better health of the hips and joints. The product also helps in the building of the essential muscles and thus is suitable for puppies above 12 weeks of age.


  • Free from all preservatives and additives
  • Doesn’t contain any artificial flavorings or colorings
  • Suitable for all breeds and sizes.
  • Best for joint and hip health.
  • Rich in vitamin E and omega fatty acids that promote the growth of thick hair coats.
  • Is an all-in-one solution for gut health, joint problems, haircoat problems, and the overall health of the pet.
  • Easily digestible chews.


  • Unsuitable for pets that suffer from an upset stomach and diarrhea.


3. PetHonesty 10 In 1 Dog Multivitamin

PetHonesty 10 In 1 Dog Multivitamin

This 10 in 1 multivitamin with glucosamine from PetHonesty is best as a supplement for the heart and body muscles. The glucosamine helps in muscle building and also helps in promoting good hip and joint health.

Apart from promoting cardiovascular health, the product is great for the digestive system as well. The probiotic composition of the chews ensures that the pet’s digestive system stays active and also helps in promoting good bowel health.

The manufacturer has aimed at developing the natural immune system of the pet via this supplement. This means the dog remains healthy and they won’t fall sick now and then. A good and active immune system also helps in the rapid absorption of the essential nutrients. Thus, whatever the dog eats, the body can extract the necessary nutrients. This means the dog remains active throughout the day.

The supplement is suitable for all dogs irrespective of breed and size. However, the serving size varies. The serving size is based on the bodyweight of the dog and it is clearly listed at the back of the product cover.

The Vitamin A, C, and D3 blend in the supplement promotes eye health and counteracts the inflammatory responses of the body. As the supplement is in the form of chews, it is more appealing to the dog; therefore, there won’t be a problem with the consumption of this supplement.

The supplement is rich in a variety of vegetable extracts. It contains carrots, sweet potatoes, and pumpkin extracts. Also, it contains small pieces of chicken that impart the meaty flavor to the chews. As it has a meaty flavor, the dogs would easily consume it.

Apart from these vegetables and chicken, it contains oat flour, brown rice syrup, and rosemary extracts. Thus, it isn’t 100% void of grain derivatives. However, it doesn’t contain any kind of soy or corn derivatives.


  • Doesn’t contain any artificial flavorings
  • Void of all kinds of soy and corn derivatives
  • Comes in an easily chewable format
  • Has a rich blend of a variety of vitamins and minerals
  • Promote cardiovascular, joint, muscles, and eye health


  • Does contain grain extracts that might irritate some pets


4. Zesty Paws Advanced 8-in-1 Bites

Zesty Paws Advanced 8-in-1 Bites

This is yet another supplement from Zesty Paws and is specially curated for senior dogs. as it is especially for senior dogs, the supplements take care of the joint and hip health of the dogs. It contains an optimal level of MSM and glucosamine that improves the movements of the joints.

Apart from the hip and joint health, the supplements are great for the liver, brain, eye, and hair coat of the dogs. It is designed for senior dogs of all breeds, including the small and medium breeds.

The supplements are great for skin health. The product has the ability to trap the body moisture from escaping and this prevents the drying up of the skin. It further polishes the skin’s texture with the Vitamin E content and makes the conditions favorable for the growth of new hair on the hair cot.

When coming to gut health and the immune system, the antioxidant-rich formula ensures that the immune system is maintained at its optimal level and this prevents the invasion of unnecessary microbes from entering the body. Also, the product can be fed to dogs suffering from bowel problems as well. It prevents diarrhea and improves the condition of the bowel system.

The Cod Liver Oil and Vitamins A, C, & E is essential to support the cardiovascular health of your pet. This is supplied in the required amounts by the supplements. When the required amounts of these vital nutrients are supplied, the brain and nerve function work normally.

The supplement contains chicken and flaxseed meal as the main ingredient. It is extremely soft and can be easily chewed down by the senior dog. You can easily mix it with any kind of dry or wet food and then feed it to your dogs. Even though the product is meant for all senior dogs of every breed, the serving size varies. It is clearly mentioned at the back of the product cover.

As the product contains chicken as the main ingredient, the chews have a prominent taste of the chicken meal and your dog would therefore surely love it.


  • Easy to digest and very soft
  • Rich in a variety of vitamins and minerals required for the senior dogs
  • The formulation especially aimed at supporting the joint and hip health of the senior dogs
  • Doesn’t contain any artificial flavorings or colorings
  • Has a prominent chicken flavor
  • Doesn’t contain any filler content (free from soy, corn, and wheat derivatives)


  • Not suitable for dogs with an existing case of liver and kidney issues


5. Milk-Bone Dog Treats

Milk-Bone Dog Treats

This is more of a treat than vitamins, but it does contain some essential vitamins required for the optimal performance of the dog. The chews help with the cardiovascular system and also the brain development in animals. This healthy treat is way better than those junk treats you buy for your dogs.

It has a meaty flavor from the chicken used in it. That means it tastes exactly like treats but works the magic of supplements. Apart from aiding cardiovascular health, the supplements are essential for the support of the immune system as well.

Apart from Vitamin A, C, and E, it is also rich in omega fatty acids and antioxidants. These minerals are very important for the optimal performance of the immune system and the overall body of the dog. In addition to this, the minerals aid in the digestive process and promote good gut health.

The treats come in the form of mini bones and have a slightly chewy texture. Thus, the dog won’t understand that it is consuming vitamin supplements. The supplement is suitable for dogs of all breeds and sizes. But the serving size for each dog varies. It is actually decided based on the current bodyweight of the dog, and not the age or breed specification.


  • Tasty as well as rich in vitamins
  • Contains chicken as the main ingredient
  • Suitable for all breeds and sizes
  • Provides for the optimal performance of the dog
  • Doesn’t contain any artificial colorings or flavorings


  • Does contain additives like soy flour and wheat extracts


6. Nutri-Vet Senior-Vite Chewables

Nutri-Vet Senior-Vite Chewables

This chewable vitamin supplement from Nutri-Vet is specially formulated for senior dogs. The product is rich in vitamins, minerals, and necessary antioxidants made to help boost the immune system of the dog. This then helps to promote the overall wellbeing of the dog.

The chewable tablet is liver-flavored and would surely be liked by your pets. It is not easy not only to chew but also to digest. Thus, it becomes an ideal choice for senior dogs with dental problems. The vitamins and minerals included in the tablets contribute to the health of the gums and teeth as well.

As it has a tasty liver flavor, the chewable tablets would make for a perfect treat option. You can either mix it with their regular food or treat it with tablets. Whatever it is, make sure you don’t exceed the daily serving as I can cause the excess minerals to deposit and worsen the function of their liver and kidneys.

The Vitamin E present in the tablet is essential for the optimum growth of the hair coat. Also, it imparts a shiny texture to the hair coat, thereby maintaining the softness of the latter. Vitamin E prevents the loss of moisture in the hair coat as well as preventing the formation of rashes.

Vitamin C, in the tablets, from the citrus fruit contents is best for vision and the cardiovascular health of the pet. It is easily absorbed by the body and also supports the performance of the immune system.

Other vital minerals included in the supplement are zinc, copper, magnesium, and manganese. All of these minerals are important for the sound working of the different biological systems in the dog’s body.

Overall, the product is worth every penny you pay for and wins our vote as one of the best supplements for dogs, especially in view of adult dogs and dogs with serious gum problems.


  • Easy to chew, therefore suitable for dogs with gum problems
  • Specially formulated to counteract the severe hip and joint aches
  • Rich in vital nutrients that aid different biological processes
  • Has a rich liver flavor that would be loved by the pets
  • Devoid of additives such as corn and soy derivatives
  • Free from all types of colorings and flavorings


  • Not suitable for other age groups owing to its unique formulation
  • Might cause diarrhea in some pets


7. Zesty Paws Allergy Immune Supplement

Zesty Paws Allergy Immune Supplement

This is another amazing supplement from Zesty Paws and this supplement is specially formulated for boosting the immune system of the dogs. The formula is suitable for dogs of all ages and breeds. These soft and chewable supplements contain vital nutrients that strengthen the immune system from within and make sure that your dog stays at ease and free from all infections at all times.

Apart from improving the immune system, the supplements also help in improving the pet’s digestive system. So if you feel that your pet is suffering from digestive-system-related issues, then this is a good supplement to go for. The nutrients present in the product ensure that the food is properly digested and also the nutrients from the food are well absorbed into the body.

The probiotic complex helps to strengthen the immune and digestive system of your dog. When the supplements are given regularly, they help to improve digestive health and also the immune system. Thus, in the long run, the system becomes capable of fighting off the germs that attack the dog’s body.

This supplement does contain some unusual ingredients like apple cider vinegar and organic licorice roots. These ingredients help to curb the reactions caused due to certain allergies. Thus, the supplement is best for dogs suffering from severe skin allergies.

The supplement has lamb meat as the main ingredient. Therefore, the chews have the taste of lamb meat and would be easily consumed by the dog. You can either feed them directly or mix them with your pet’s food if they are a picky eater.

The product also contains wild Alaskan salmon oil that helps in keeping the skin healthy and traps the moisture from leaving the skin. This makes the haircoat silkier and softer than ever before.


  • Easy to chew and digest
  • Contain no artificial colorings or flavorings
  • Has lamb meat as the main ingredient which imparts the meaty flavor
  • Contains some rare ingredients like apple cider vinegar that strengthens the immune system
  • Has salmon fish oil that strengthens the hair coat and gives it a shine
  • Suitable for dogs of all breeds and sizes


  • Not suitable for puppies even though the manufacturer states it otherwise


8. Cosequin Maximum Strength Joint Supplement

Cosequin Maximum Strength Joint Supplement

The Cosequin maximum strength joint supplement is rich in MSM and Glucosamine chondroitin.These compounds contribute to the strengthening of the hip and joint muscles. The chicken-flavored chewable tablets are best for dogs suffering from severe joint pains and muscle aches. They strengthen the bone from within and restore the lost joint fluid. In this way, the dog would get long relief from the severe muscle aches.

If you see that your dog is facing difficulty in climbing stairs and moving around, then it’s probably due to weak joint health. Thus, instead of trying out different supplements or home remedies, it’s better you go for this supplement that treats the root cause and gives results in a very short time.

The supplements can also be administered to dogs who are in their developmental stage. This will help them build strong muscles and keep them active throughout the day.

Coming to the formula, it has chicken as one of its main ingredients; thus, the whole supplement has a natural chicken-flavoring. The manufacturer has used natural chicken stock for the purpose. Hence, it doesn’t contain any sort of artificial flavoring agents and is completely safe for your pets.

Apart from promoting good joint health, the formula also helps in maintaining a sound immune system that protects the dogs from all sorts of diseases. As it is formulated for all ages, you can give it to all your dogs, but make sure you get the serving size right. It varies according to the weight of the dog.

The supplements meet the standards set by the concerned authorities and are also the number one choice of vets. Thus, this supplement also wins our vote as one of the best dog supplements featured on this list mainly for joint and muscle strength.


  • Specially formulated to address the joint-related problems
  • Suitable for dogs of all sizes and breeds
  • Contain chicken stock flavoring that makes it appetizing for picky eaters
  • Comes in easily chewable size and shape


  • The dogs may experience diarrhea during the first week of use


9. ProSense Advanced Strength Chew Tablets

ProSense Advanced Strength Chew Tablets

The ProSense Advanced Strength for Dogs is another glucosamine-based chewable tablet formulated to help dogs suffering from joint aches and severe muscle pain. This one includes Vitamin C, which is great for the immune system.

The glucosamine chondroitin compound acts as the root cause of the problem, that is, the reduction in the joint fluid. Once the required quantity of the joint fluid is established, the dogs would be able to walk and jump as they used to.

The dogs may start to show some symptoms when they experience difficulty in walking. Even if you don’t observe it, the vet would easily point it out when you take them for a regular checkup. You can start giving the tablets after the dogs reach a certain age. In this way, you can spare them from the torture of experiencing severe joint and muscle aches.

Apart from helping them get rid of the joint and muscle aches, the supplements are also helpful for the full development of the cartilage and its functions. So you can administer the supplements in minimal amounts to your puppies above 12 weeks of age.

As the product comes in an easily chewable format, it can be consumed by dogs of all sizes and breeds. The product gets digested very easily and nutrients are absorbed quickly into the body.


  • Easy to chew and digest
  • Suitable for all dogs irrespective of the breeds and sizes
  • Helps to get rid of the severe joint health problems
  • Has vitamin c that supports the immune system


  • Contain dry yeast that might cause some reaction in some dogs


10. Pet-Tabs Plus Vitamin Supplement

Pet-Tabs Plus Vitamin Supplement

The Pet-Tabs Plus chewable tablets are a dog vitamin supplement. It is available as a pack of 180 and is suitable for dogs of all breeds and sizes. However, for extremely tender puppies and dogs , you need to administer just half of a tablet. The nutrients in it would be more than enough for their body considering their metabolism rates.

The tablet is great for the maintenance of thick and shiny skin and hair coat. If you notice any kind of allergic reaction or unusual shedding patterns, then you can rope in this supplement to make sure that your dog doesn’t suffer from any deficiency.

The tablets are high in vitamins and minerals. Thus, make sure you don’t exceed the daily limit. As it comes in the form of a proper tablet, your pets might try to avoid it. Thus, you will have to mix it with some gravy foods and then feed your dogs.

Some of the main ingredients used in the tablets include pork meal and pork liver meal. These ingredients give the tablet a distinct taste that would be easily liked by the pet. It is a storehouse of vitamins like A, C, D3, and K1. These vitamins help in building a strong immune system that prevents the microbial attack and other disease-causing germs.


  • Easily digestible and has an extremely chewy texture
  • Flavored using pork meal and pork liver meal
  • Doesn’t contain any artificial colorings
  • Rich in vitamins and minerals


  • Does contain corn derivatives that might upset some dogs


11. Coco And Luna Multivitamin 6-in-1

The Coco and Luna Multivitamin for dogs is rich in glucosamine and chondroitin sulfate. These compounds are known to help the joints and muscles from severe aches. If you feel that your dog is facing difficulty in climbing the steps or moving from one elevation to the other, then it’s time to give them joint supplements.

Apart from helping the joint and hip system, the product is also rich in some essential nutrients like vitamins and minerals that contribute immensely to the different biological processes. It is also filled with prebiotic and probiotic compounds that help to improve the gut health of the dogs.

The product is also great for dogs that frequently fall ill. The supplements help in boosting the immune system and ensure that your dog doesn’t fall sick every now and then. This is achieved because of the essential antioxidants present in the product.

The brand is trusted by vets and has passed almost all standard certifications. It is void of any kind of genetically modified elements and also doesn’t contain any filler contents. The taste is from the bacon strips and liver oil that went into the tablets. As bacon is one of the favorite foods of the dogs, they would easily consume it without giving you any trouble.

Apart from helping the immune and joint health system, it also helps in developing a thick and shiny hair coat. The omega 3 extracts and the Vitamin E oil ensure that the moisture isn’t lost from the surface of the dog’s body, thus preventing the rashes caused due to extreme dryness.


  • Suitable for dogs of all sizes and breeds
  • It is devoid of all kinds of genetically modified ingredients
  • Helps to boost the immune system
  • Promote the growth of thick and shiny hair coat
  • Rich in vital nutrients that support the joint system


  • The product has a weird smell which may not be liked by some dogs


Before you checkout with a product, make sure you take a peep at these factors that will help you buy the best dog supplements available online.

Factors To Consider When Buying A Dog Supplement

1. According To Their Needs 

Many times supplements are usually suggested by the vets to meet the specific needs of the pet.

1. Supplements For Muscle Aches

For example, if your pet is finding it difficult to climb over the stairs or move from one height to another, then the dog might be suffering from joint aches or muscle pain. In that case, you will have to administer glucosamine and chondroitin tablets. These tablets treat the root cause of the problem and then relieve them from the severe pain. Supplements for boosting the immune system

In some cases, your dog might fall ill now and then. Thus, the vets would suggest you rope in some supplements meant to boost the immune system. Once their immune system is solid, they won’t be affected by any disease-causing pathogens.

2. Supplements For Combating Skin Allergies

You can also find supplements that are meant to treat skin allergies and rashes. Such supplements are known to trap the moisture in the skin and thereby prevent dryness. Dogs’ skin is more prone to allergies when they are dry. Thus, these supplements give the hair coat and skin a faint shine and retain the moisture content.

3. Supplements To Take Care Of The Gum Health

If your dog is growing old and you are worried about their gum health, then you need to administer supplements that strengthen their gums and teeth. Such supplements make sure that your dog can easily bite whatever foods they want without suffering from any harsh pain.

4. All-in-one Supplements

If your dog doesn’t have any of the above-mentioned problems, then the doctor might prescribe an all-in-one supplement that prevents any of the following problems in the future. Such supplements can boost your dog’s immune system, strengthen the hair coat, promote good gut health, and take care of your dog’s joint health.

2. Size And Texture Of The Supplements

Most supplements are chewable. If not, make sure it can be easily chewed on by your dogs, especially when they are suffering from gum problems. At times, you would also come across supplements that look like treats and are very easy to munch on. Such supplements can replace the regular treats you give your dogs and are much helpful for their overall wellbeing.

At times, you would also come across supplements as tablets. These are to be mixed with their food, ideally wet food. If your dog is a picky eater, you might have to keep a watch on him and make sure the supplement gets into his system no matter what.

Also, if you are going by chewable tablets, make sure the kibble size is such that they can easily be eaten by your dogs. If you intend to give it to your small breed dogs, then the kibbles should be small enough to accommodate their jaw bone structure.

3. Doesn’t Contain Any Artificial Flavoring Or Coloring Agents

Chewable supplements contain some ingredient that adds flavor to the product. Make sure the flavor comes from natural ingredients like meat stock, real meat pieces, or meat liver. If you find any other substances that claim to add flavor to the product, don’t go for them.

Most times, the color of the kibbles isn’t very appetizing. Thus, manufacturers tend to add some colors to make them more attractive. Avoid such types of supplements. If you feel the supplements aren’t attractive enough or if your dog is a picky eater, mix them up with some wet food and feed them.

4. Filler Contents

Many a time, manufacturers use filler contents like soy or corn derivatives to the supplements. Some dogs are actually allergic to such ingredients and they may show some reactions to such ingredients. It’s better that you don’t go for such supplements and go for the ones that are actually rich in vitamins and minerals instead of filler contents.

Give Your Dog The Best Dog Supplements

The aforementioned list contains some of the best dog supplements that you can administer to your dog. For better results, consult a vet before doing so. The vet would be able to identify what kind of deficiency your dog is suffering from and then you can choose the right supplement.

Another thing to be taken care of while administering the supplement is not going overboard with the quantities. You need not have to administer glucosamine chondroitin lifelong. Give the supplements according to the dosage set by the vet for better results.

FAQs On Dog Supplements 

Q1. Do Dog Supplements Work?

Yes, dog supplements do show their effect on the dog’s body. It aids the different biological processes and increases your dog’s overall performance. Just like the supplements we take; it should be administered in certain dosages. You shouldn’t go overboard with the dosage. With that said, you shouldn’t abruptly stop its usage unless instructed by the pet. When given in the right amounts, the effects will be seen and these supplements actually can work wonders.

Q2. What Supplements Are Bad For Dogs?

Never give your dogs fluoride supplements or supplements meant for humans. Fluorides are bad for dogs. They don’t help with their gum problems; instead, they can trigger serious adverse reactions. Also, another ingredient that shouldn’t be included in a dog’s meal is caffeine. Caffeine may give that boost to our daily activities, but it doesn’t work in the case of dogs.

Q3. What Kind Of Vitamins Can I Give My Dogs?

The most commonly found vitamins in dog supplements are vitamin A, B, C, D, and E. You can also find sound essential vitamins like Vitamin K3, B12, and other minerals in their supplements. These supplements are essential for the different biological processes happening inside their body. With that said, you shouldn’t administer them unnecessarily. The supplements should be given in the right amounts to see the difference in their body.

Q4. How Can I Boost My Dog’s Immune System?

You can boost your dog’s immune system by giving them the necessary supplements that are rich in antioxidants and the necessary vitamins. These supplements give the immune system a boost and they won’t be prone to disease-causing pathogens.

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