Vitamins & Supplements

(454 results)
Nutramax® Dog & Cat Proviable Probiotics & Prebiotics Digestive Health Supplement, 30 Count
(103)
$19.99
$23.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Zesty Paws Dog Allergy & Immune Bites, Probiotics for Itchy Skin & Ears, Lamb Flavor, 90ct
(3231)
$32.99
$33.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Native Pet Dog Omega-3 Fish Oil Skin & Coat Health Supplement - Salmon Oil, 8-32 fl oz
4 sizes
(1065)
$4.99
$5.00
Options from
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Zesty Paws Dog Probiotic Bites, Gut Flora & Digestive Supplements, Pumpkin Flavor, 90-250 Count
2 sizes
(2235)
$32.99
$33.99
Options from
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Nutramax® Dasuquin® Small to Medium Dog Joint Health Supplement with Glucosamine, Soft Chews, 84 Ct
(147)
$49.99
$56.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Nutramax Laboratories Veterinary Sciences Denamarin Dog Liver Health Supplement, Large Dogs, 30ct
(23)
$74.99
$76.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Nutramax Dog Proviable Probiotics & Prebiotics Digestive Supplement Kit, 30 ml Paste/10 Capsules
(13)
$29.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Nutramax Dasuquin® Joint Health Supplement for Large Senior Dogs Over 60 lbs, Soft Chews, 84 Count
(7)
$66.99
$68.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Zesty Paws 8-in-1 Multivitamin Bites for Dogs, AlaskOmega, Chicken Flavor Soft Chew, 90 and 250 Ct
2 sizes
(2115)
$32.99
$33.99
Options from
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Nutramax® Cosequin® Senior Dog Joint Health Supplement with Glucosamine, Soft Chews, 120 Count
(42)
$44.99
$47.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Vetnique Glandex Dog Advanced Anal Gland Soft Chews, Probiotics & Fiber, Duck & Bacon, 60 Ct
(356)
$42.99
$43.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Zesty Paws Senior Advanced 11-in-1 Multivitamin Bites for Dogs, Chicken Flavor Soft Chews, 90 Count
(1031)
$42.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Vetality Stop The Runs Dog Probiotic & Digestive Support Chewables, Diarrhea Relief, 6 Count
(620)
$13.99
$15.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Nutramax Dog Welactin Omega-3 Soft Chews with Beta-Glucan for Skin & Coat Health - 60 ct
(54)
$24.97
$27.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Zesty Paws Dog Hip & Joint Supplement with Glucosamine & Chondroitin, Duck Flavor Soft Chews, 90 Ct
(1605)
$32.99
$33.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Zesty Paws Itch Relief Bites, Dog Soft Chew Immune Supplement for Skin Health, Chicken Flavor, 90ct
(595)
$33.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Zesty Paws Dog & Cat Wild Alaskan Omega-3 Skin & Coat Support - Pollock & Salmon Oil, 8-32 fl oz
3 sizes
(2156)
$15.97
$16.99
Options from
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
HomeoPet® Dog UTI+ Liquid Urinary Supplement, Support Upper & Lower Urinary Tract, 15-ml bottle
(80)
$19.49
$19.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
VetIQ Dog Hip and Joint Supplement with Glucosamine, Chicken Flavor Soft Chews, 60 Count
(131)
$13.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
PetArmor® Dog Antihistamine Diphenhydramine HCI Tablets, Itch Relief & Probiotic, 100 Count
(171)
$6.99
$7.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Nutramax Dasuquin with MSM for Large Dogs 60lbs and Over, Joint Supplement, Soft Chews, 150 Count
(4)
$84.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Purina Pro Plan Veterinary Diets FortiFlora Chewable Tablets - Digestive Supplement - 90 Count
(363)
$80.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Wuffes Dog Advanced Hip & Joint Support Chews, For Large & Giant Breeds, Pork Liver Flavor, 25 Count
(6621)
$46.99
$47.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Nutramax Laboratories Veterinary Sciences Denamarin Dog Liver Health Supplement, Medium Dogs, 30ct
(23)
$44.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Wuffes Dog Hip & Joint Supplement Soft Chews, For Small/Medium Dogs, Pork Liver Flavor, 50 Count
(6622)
$36.99
$37.99
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Pet Honesty 10-in-1 Multivitamin for Dogs with Omegas + Probiotics, Chicken Soft Chews, 90 or 180 Ct
2 sizes
(2107)
$32.99
Options from
Save 30% when you buy 3+ dog & cat supplements thru 11/15, online only
Save 10% OFF ALL Pet Honesty supplements with code PETHONESTY10
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. ...
  7. 12
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.