Vitamins & Supplements

(72 results)
Purina® Pro Plan® Veterinary FortiFlora Probiotic Dog Supplement
(771)
$44.99
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COSEQUIN Maximum Strength Plus & Omega 3 Joint Supplements for Dogs
(18)
$77.99
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Purina Pro Plan Veterinary Supplements Calming Care Powdered Dog Calming Probiotic, 30 g
(199)
$44.99
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Purina Pro Plan Veterinary Supplements FortiFlora Canine Probiotic Tablets, Dog Supplement
2 sizes
(8)
$64.99 - $109.99
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Zesty Paws 8-in-1 Chews Supplements - Peanut Butter
(1816)
$39.99
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Zesty Paws  Probiotic Chews - Pumpkin
(1873)
$39.99
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Wellness® Calm Relaxation Support Soft Chews
(1140)
$25.99
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Glandex® boot the scoot!™ Anal Gland Health Soft Chews for Dogs - Peanut Butter, 60 count
(575)
$52.99
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Nutrience Care® Hip & Joint Supplement Chews for Dogs - Duck, 100 count
(2)
$33.99
$39.99
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Wellness® Shield Immune Health & Seasonal Allergy Support Soft Chews
(1142)
$25.99
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Zesty Paws Mobiility Chews for Dogs
(1485)
$39.99
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Hungry Hunter Herring Oil Pet Supplement
2 sizes
(22)
$29.99 - $39.99
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Omega Alpha Probiotic 8 Plus Powder Supplement for Dogs and Cats
2 sizes
(86)
$24.99 - $41.99
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NutriVet® Hip & Joint Extra Strength Chewable Tablets for Dogs - Liver, 120 Count
(2)
$49.99
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Vet's Best® Comfort Calm Soft Chews for Dogs - 30 count
(66)
$24.99
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Glandex® boot the scoot!™ Anal Gland Support Powder for Dogs - Pork Liver, 5.5oz
(40)
$56.99
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Glandex® Daily Prebiotic & Probiotic Digestive Health Soft Chews for Dogs - Bacon, 60 count
(121)
$52.99
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Nutrience Care® Calming Supplement Chews for Dogs - Duck, 100 count
(0)
$33.99
$39.99
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Nutrience Care® Probiotic+ Gastrointestinal Supplement Chews for Dogs - Duck, 100 count
(0)
$33.99
$39.99
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Purina Pro Plan Veterinary Supplements Multi Care Canine Chew, Dog Supplement
2 sizes
(256)
$29.99 - $54.99
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Pet Protect Digestive Health Dog Supplement 60 Count
(200)
$28.99
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Purina Pro Plan Veterinary Joint Care Dog Supplements
2 sizes
(640)
$19.99 - $24.99
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Wellness® Belly Digestive Health Support Soft Chews
(1182)
$25.99
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Wellness® Move Hip & Joint Support Soft Chews
(1154)
$25.99
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Zesty Paws Calming Chews, Dog Supplements -  Turkey Flavour, 90 count
(930)
$42.99
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Zesty Paws Immune Chews for Dogs
(2816)
$39.99
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COSEQUIN Maximum Strength Plus & Omega 3 Joint Supplements for Dogs
(6)
$47.99
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COSEQUIN Maximum Strength Plus Joint Supplements for Dogs
(6)
$42.99
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Hungry Hunter Pumpkin Powder Dietary Supplement for Dogs
(12)
$24.99
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Nutri-Vet Bladder Control Chewables for Dogs
(74)
$44.99
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Omega Alpha GlucosaPet Liquid Hip & Joint Supplement for Dogs and Cats
2 sizes
(22)
$8.99 - $29.99
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BiologicVET™ BioJOINT™ Mobility Powder for Dogs & Cats - 10 to 120+ Lbs
(10)
$33.99
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BiologicVET™ BioFATS™ Omega 3-6-9 Liquid Supplement for Dogs & Cats - 10 to 80+ Lbs
(4)
$36.99
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Nutri-Vet® Hip & Joint Extra Strength Biscuits for Dogs - Peanut Butter Flavour
(34)
$31.99
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Vet's Best® Advanced Hip + Joint Chewable Dog Tablets
(8)
$43.99
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Nutri-Vet Hip & Joint Dog Supplements
(4)
$114.99
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Skout's Honor Daily Use Probiotic Deodorizer for Dogs - Sunkissed Coconut, 8 oz
(0)
$17.99
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Skout's Honor Probiotic Shampoo + Conditioner for Dogs - Sunkissed Coconut, 16 oz
(0)
$26.99
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Skout's Honor Probiotic Itch Relief Spray for Dogs - Fragnance-Free, 8 oz
(2)
$17.99
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Skout's Honor Daily Use Probiotic Puppy Deodorizer - Happy Puppy, 8 oz
(0)
$17.99
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There isn’t anything you wouldn’t do to make sure your dog is cared for, including giving them the finest dog vitamins and supplements. Whether your dog has a condition that they need support for or you just want to make sure they are getting everything they need to live their best life, you can find what you need at PetSmart. We want to help you give your pup the greatest care possible with the top dog vitamins and supplements. Remember to always consult with a veterinarian before making changes to your dog's diet.  
Our amazing selection of dog vitamins and dog supplements includes ones that support health considerations like:
Hip/Joint Health 
Digestive Care
Eye Care 
General Health
Immune Support
Skin/Coat Health
and More  
There isn’t anything you won’t be able to find to support your dog's health at PetSmart. Need other dog supplies while you’re here? We also carry dog dental care products like dental treats along with other dog wellness products.   PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see which items are eligible.