Vitamins & Supplements

(237 results)
Purina® Pro Plan® Veterinary Supplements FortiFlora-Probiotic Powder Supplement for Dogs - 30 Count
(1288)
$30.99
$33.99
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+ 3 more
Zesty Paws Probiotic Supplement for Dogs - Pumpkin Flavored Soft Chews for Gut Health - 90 Count
(2944)
$32.97
$32.99
5X points (10% back in savings) on all dog merchandise & services.
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+ 2 more
Nutramax® Dasuquin® with MSM - Soft Chew Joint Health Supplement for Large Dogs - 84 Count
(140)
$59.99
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Nutramax® Dasuquin® with MSM - Soft Chew Joint Health Supplement For Small to Medium Dogs - 84 Count
(121)
$49.99
$56.99
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Purina® Pro Plan® Veterinary Supplements FortiFlora Chewable Tablets Dog Supplement - 45 Count
(412)
$44.99
$47.99
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Zesty Paws Allergry & Immune System Supplement for Dogs - Lamb Flavored Soft Chews - 90 Count
(3518)
$32.97
$32.99
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Nutramax® Cosequin® Maximum Strength Joint Health Supplement for Dogs - Chewable Tablets
2 sizes
(267)
$19.99 - $33.99
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Zesty Paws 8-in-1 Multivitamin Supplement for Dogs - Chicken Flavored Soft Chews - 90 Count
(2365)
$32.97
$32.99
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Vetnique Labs Glandex® Boot the Scoot® Anal Gland Support Chews for Dogs - Supplement - 60 Count
(125)
$29.99
$33.99
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Only Natural Pet® Hemp Hip & Joint Support for Dogs - Soft Chew Hip & Joint Supplement - 120 Count
(483)
$37.99
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Nutramax® Cosequin® DS Joint Health Supplement for Dogs - Soft Chews with MSM & Boswellia
2 sizes
(288)
$24.99 - $39.99
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Zesty Paws Advanced Calming Bites for Dogs - Turkey Flavored Soft Chew Calming Supplement - 90 Count
(1552)
$35.97
$35.99
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Nutramax® Proviable-DC Digestive Supplement for Cats & Dogs
(47)
$21.99
$24.99
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Only Natural Pet® Hemp Calming Support Soft Chews for Dogs - Stress & Anxiety Relief
2 sizes
(1603)
$21.99 - $37.99
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Zesty Paws Senior Advanced 11-in-1 Multivitamin Bites for Dogs - Chicken Flavored - 90 Count
(1033)
$42.97
$42.99
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Nutramax® Cosequin® Joint Health Supplement for Senior Dogs - Maximum Strength Soft Chews - 60 Count
(256)
$25.99
$29.99
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Native Pet Omega-3 Fish Oil & Alaskan Salmon Oil Skin & Coat Health Supplement for Dogs
2 sizes
(720)
$16.99 - $26.99
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Vetality "Stop The Runs" 5g Chewables for Dogs - Probiotic & Degestive Supplement - 6 Count
(541)
$14.39
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Zesty Paws Mobility Bites for Dogs - Duck Flavor - 90 Ct
(1943)
$32.97
$32.99
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Zesty Paws Wild Caught Alaskan Salmon Oil for Dogs & Cats - 16 oz
(2052)
$27.99
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HomeoPet® UTI Unrinary Tract Infection for Dogs
(28)
$17.99
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Zesty Paws Wild Caught Alaskan Salmon Oil for Dogs & Cats - 8 oz
(2051)
$15.99
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+ 2 more
VetIQ Calming - 60 Count
(167)
$11.99
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5X points (10% back in savings) on all dog merchandise & services.
+ 2 more
PetArmor® Antihistamine Diphenhydramine HCI Tabs for Dogs
(146)
$5.49
$7.99
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Cosequin® Senior Soft Chews
(18)
$42.99
$48.99
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+ 2 more
Nutramax Dasuquin® Joint Health Supplement for Large Senior Dogs Over 60 lbs, Soft Chews, 84 Count
(2)
$64.99
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Vetnique Labs Glandex® Boot the Scoot® Advanved Vet Strength Anal Gland Soft Chew Dog Supplement
(263)
$39.99
$41.49
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5X points (10% back in savings) on all dog merchandise & services.
+ 2 more
Only Natural Pet® Hemp Allergy, Skin & Coat Soft Dog Chews
2 sizes
(490)
$21.99 - $37.99
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Only Natural Pet® Probiotic Blend Digestive Support Soft Dog Chews
2 sizes
(558)
$19.99 - $33.99
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Pet Honesty 10-in-1 Multivitamin - Soft Chews
(2033)
$32.99
5X points (10% back in savings) on all dog merchandise & services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Pet Honesty Allergy Support - Soft Chews
(357)
$32.99
5X points (10% back in savings) on all dog merchandise & services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Pet Honesty Hemp Calming Max Strength Soft Chews
(548)
$42.99
$45.99
5X points (10% back in savings) on all dog merchandise & services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Pet Honesty Wild Caught Omega-3 Fish Oil Dog & Cat Supplement
(363)
$28.99
5X points (10% back in savings) on all dog merchandise & services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Only Natural Pet® Wild Alaskan Salmon Oil
(621)
$24.99
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5X points (10% back in savings) on all dog merchandise & services.
+ 2 more
Native Pet The Daily Supplement for Dogs - Multivitamin Powder Supplement
2 sizes
(246)
$19.99 - $34.99
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+ 2 more
Nutramax® Welactin Omega-3 Soft Chews
(44)
$19.99
$24.99
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+ 2 more
Zesty Paws Omega Bites for Dogs - Chicken Flavor - 90 Ct
(1529)
$32.97
$32.99
5X points (10% back in savings) on all dog merchandise & services.
Online Only! 40% off your 1st Zesty Paws Life Order!
+ 2 more
Only Natural Pet® Advanced Hip & Joint Support Soft Dog Chews - 60 Count
(212)
$23.99
Save 15% off $50+ with Free Same-Day Delivery
5X points (10% back in savings) on all dog merchandise & services.
+ 2 more
Cosequin® Double Strength Joint Health Dog Chewable
(68)
$59.99
$99.99
5X points (10% back in savings) on all dog merchandise & services.
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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.