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Vitamins & Supplements

1 - 99 of 171 Items
  • Nutramax Denamarin Liver Health Supplement for Small Dogs and Cats - With S-Adenosylmethionine (SAMe) and Silybin, 30 Tablets
  • ProDen PlaqueOff Animal Dog and Cat Teeth Care
    Earn 5% in rewards!
    Starting at:
    $22.49 
    Autoship
    $24.99 
  • The Honest Kitchen Perfect Form Nutritional Pet Supplement
    Earn 5% in rewards!
    Starting at:
    $12.09 
    Autoship
    $12.73 
    5.0 (1)
  • The Missing Link Pet Kelp Food Topper - Feline Well-Being
    Earn 5% in rewards!
    Starting at:
    $16.99
  • CocoTherapy TriPlex™ MCT-3 Oil
    Earn 5% in rewards!
    Starting at:
    $23.37 
    Autoship
    $25.97 
  • CocoTherapy Coconut Oil for Pets
    Earn 5% in rewards!
    Starting at:
    $13.47 
    Autoship
    $14.97 
  • The Honest Kitchen Instant Daily Booster Pet Food Topper - Goat's Milk
    Earn 5% in rewards!
    Starting at:
    $15.82 
    Autoship
    $16.65 
  • Weruva Cat & Dog Food Supplement Pouch - Pumpkin Patch Up!
    Earn 5% in rewards!
    Starting at:
    $15.67 
    Autoship
    $16.49 
  • kin+kind Healthy Skin & Coat Organic Multivitamin & Antioxidant For Dogs & Cats
    Earn 5% in rewards!
    Starting at:
    $12.59 
    Autoship
    $13.99 
  • kin+kind Healthy Immunity Antioxidant & Urinary Tract Health Supplement for Dogs & Cats
    Earn 5% in rewards!
    Starting at:
    $10.79 
    Autoship
    $11.99 
    5.0 (1)
  • VetriScience Coenzyme Q10 Capsules for Dogs and Cats
    Earn 5% in rewards!
    Starting at:
    $13.46 
    Autoship
    $14.95 
  • VetriScience Renal Essentials Feline Bite-Sized Cat Chews
    Earn 5% in rewards!
    Starting at:
    $19.67 
    Autoship
    $21.85 
  • VetriScience Renal Essentials Cat Chewable Tablets
    Earn 5% in rewards!
    Starting at:
    $14.49 
    Autoship
    $16.10 
  • Nutramax Cobalequin B12 Supplement for Cats and Dogs, 45 Chewable Tablets
    Earn 5% in rewards!
    Starting at:
    $21.84 
    Autoship
    $22.99 
  • NaturPet Intesti Care Supplement for Dogs and Cats
    Earn 5% in rewards!
    Starting at:
    $26.99 
    Autoship
    $29.99 
  • NaturPet Urinary Care Supplement for Dogs and Cats
    Earn 5% in rewards!
    Starting at:
    $32.99
  • HomeoPet Liver Rescue for Dogs, Cats, and Small Animal Supplement
  • Sogeval Derma-3 Liquid Fatty Acid Supplement For Dogs and Cats
    Earn 5% in rewards!
    Starting at:
    $13.95 
    Autoship
    $15.50 
    5.0 (1)
  • Emerald Pet Feline Health Cat Treats - Urinary Tract Support
    Earn 10% in rewards!
    Starting at:
    $5.01 
    Autoship
    $5.57 
    5.0 (1)
  • SAMeLQ Liver Support Chewable Tablets for Dogs and Cats
    Earn 5% in rewards!
    Starting at:
    $40.46 
    Autoship
    $44.95 
  • Vetnique Profivex Probiotic Supplement for Dogs and Cats- Liver Powder
    Earn 5% in rewards!
    Starting at:
    $22.49 
    Autoship
    $24.99 
  • Ketogenic Pet Foods Keto-Correction™ Cat & Dog Food Supplement
    Starting at:
    $59.99
    This item ships for FREE!
  • Pet Wellbeing Kidney Support Gold for Dogs and Cats
    Earn 5% in rewards!
    Starting at:
    $36.85 
    Autoship
    $40.95 
    5.0 (1)
  • Pet Wellbeing Mushroom Immune Gold Cancer Support for Dogs and Cats
    Earn 5% in rewards!
    Starting at:
    $62.96 
    Autoship
    $69.95 
    This item ships for FREE!
  • Pet Wellbeing Thyroid Support Gold for Cats
    Earn 5% in rewards!
    Starting at:
    $43.16 
    Autoship
    $47.95 
    5.0 (1)
  • Pet Wellbeing Urinary Gold Dog and Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $38.66 
    Autoship
    $42.95 
  • Natura Petz Organics Break It Up! Kidney & Bladder Stone Support for Cats - Turkey Flavor
    Earn 5% in rewards!
    Starting at:
    $26.99 
    Autoship
    $29.99 
  • Natura Petz Organics Bug Off! Natural Pest Defense Dog & Cat Supplement
    Earn 10% in rewards!
    Starting at:
    $31.49 
    Autoship
    $34.99 
  • Solid Gold Berry Balance Urinary Tract Health Powder Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $24.69 
    Autoship
    $25.99 
  • Warren London Essential Oil Pet Calming Spray
    Earn 5% in rewards!
    Starting at:
    $15.99
  • In Clover Flow Feline Urinary Tract Support Soft Chew Cat Treat
    Earn 5% in rewards!
    Starting at:
    $10.99
  • In Clover Fresh Digest Cat Supplement Powder
    Earn 5% in rewards!
    Starting at:
    $26.99
    5.0 (1)
  • Zoetis Pet-Tinic Liquid Vitamin & Mineral Supplement for Cats and Dogs
    Earn 5% in rewards!
    Starting at:
    $11.55 
    Autoship
    $12.83 
  • PetAlive Cushex Drops-M Adrenal Gland Herbal Supplement for Dogs and Cats
    Earn 5% in rewards!
    Starting at:
    $32.37 
    Autoship
    $35.97 
  • PetAlive ComfyPet Pain Relief Homeopathic Supplement for Dogs & Cats
    Earn 5% in rewards!
    Starting at:
    $29.67 
    Autoship
    $32.97 
  • PetAlive EaseSure-S Brain & Nervous System Support for Dogs & Cats
    Earn 5% in rewards!
    Starting at:
    $32.37 
    Autoship
    $35.97 
  • PetAlive UTI-Free Granules Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $32.36 
    Autoship
    $35.96 
  • PetAlive AmazaPet Bronchospasm & Tight Chest Liquid Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $29.67 
    Autoship
    $32.97 
  • PetAlive Sinu-Rite Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $32.37 
    Autoship
    $35.97 
  • PetAlive C-Caps Immune Health Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $32.36 
    Autoship
    $35.96 
  • PetAlive Respo-K Support Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $32.37 
    Autoship
    $35.97 
  • PetAlive Parasite Dr. for Cat & Dog Digestive Detoxification
    Earn 5% in rewards!
    Starting at:
    $32.37 
    Autoship
    $35.97 
  • PetAlive Skin & Coat Tonic Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $32.37 
    Autoship
    $35.97 
  • PetAlive Pancreas Booster Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $32.36 
    Autoship
    $35.96 
  • PetAlive Digestive Support for Cats & Dogs
    Earn 5% in rewards!
    Starting at:
    $29.67 
    Autoship
    $32.97 
  • PetAlive KC-Defense Granules Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $32.36 
    Autoship
    $35.96 
  • PetAlive Muscle & Joint Support-M Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $32.36 
    Autoship
    $35.96 
  • PetAlive Muscle & Joint Support-S Dog & Cat Herbal Supplement
    Earn 5% in rewards!
    Starting at:
    $32.36 
    Autoship
    $35.96 
  • PetAlive Natural Moves Bowel Health Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $29.67 
    Autoship
    $32.97 
  • PetAlive RuniPoo Relief Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $32.36 
    Autoship
    $35.96 
    5.0 (1)
  • Petz Kitchen Nutritional Supplement Powder - Chanca Piedra Urinary Support
    Earn 5% in rewards!
    Starting at:
    $10.80 
    Autoship
    $12.00 
  • Petz Kitchen Nutritional Supplement Powder - Turmeric Curcuma Inflammation Support
    Earn 5% in rewards!
    Starting at:
    $7.20 
    Autoship
    $8.00 
  • Petz Kitchen Nutritional Supplement Powder - Passion Flower Stress Support
    Earn 5% in rewards!
    Starting at:
    $7.20 
    Autoship
    $8.00 
  • Petz Kitchen Nutritional Supplement Powder - Yacon Leaf Glycemic Support
    Earn 5% in rewards!
    Starting at:
    $9.00 
    Autoship
    $10.00 
  • Nutramax Imuquin Immune Health Supplement Powder for Cats, With Beta Glucans, Marine Lipids, Vitamins and Minerals
  • Petz Kitchen Nutritional Supplement Powder - Sangre de Grado Wound Support
    Earn 5% in rewards!
    Starting at:
    $13.50 
    Autoship
    $15.00 
  • Petz Kitchen Nutritional Supplement Powder - Cat's Claw Immune Support
    Earn 5% in rewards!
    Starting at:
    $9.00 
    Autoship
    $10.00 
  • Petz Kitchen Superfood Broth for Dogs & Cats by Natura Petz Organics - Stress & Anxiety Support
  • Petz Kitchen Superfood Broth for Dogs & Cats by Natura Petz Organics - One & Done Daily Greens Support
  • NaturVet Hemp Allergy Aid Soft Chews Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $12.59 
    Autoship
    $13.99 
  • NaturVet All-in-One Cat and Dog Supplement Powder
    Earn 5% in rewards!
    Starting at:
    $22.49 
    Autoship
    $24.99 
  • NaturVet Quiet Moments Calming Aid with Hemp Soft Cat Chew
    Earn 5% in rewards!
    Starting at:
    $13.49 
    Autoship
    $14.99 
  • Stashios Soothing Sauce Calming Beef Bone Broth for Dogs & Cats
    Earn 5% in rewards!
    Starting at:
    $16.14 
    Autoship
    $16.99 
  • Pet Wellbeing Pet Melatonin for Cats and Dogs
    Earn 5% in rewards!
    Starting at:
    $33.26 
    Autoship
    $36.95 
  • Fera Pet Organics Bladder Support For Cat and Dog Food Topper
    Earn 5% in rewards!
    Starting at:
    $26.06 
    Autoship
    $28.95 
  • Fera Pet Organics Cardiac Support For Cat and Dog Capsule or Food Topper
    Earn 5% in rewards!
    Starting at:
    $26.06 
    Autoship
    $28.95 
  • Fera Pet Organics Fish Oil For Cats and Dogs
    Earn 5% in rewards!
    Starting at:
    $26.96 
    Autoship
    $29.95 
  • Fera Pet Organics Goat Milk Cat and Dog Food Topper - Immune
    Earn 5% in rewards!
    Starting at:
    $26.96 
    Autoship
    $29.95 
  • Fera Pet Organics Goat Milk Cat and Dog Food Topper - MultiVitamin
    Earn 5% in rewards!
    Starting at:
    $26.96 
    Autoship
    $29.95 
  • Fera Pet Organics Hip + Joint Support For Cat and Dog Soft Chews
    Earn 5% in rewards!
    Starting at:
    $35.96 
    Autoship
    $39.95 
  • Fera Pet Organics Mushrooms Immune Support For Cat and Dog Food Topper
    Earn 5% in rewards!
    Starting at:
    $31.46 
    Autoship
    $34.95 
  • Fera Pet Organics Probiotics with Prebiotics For Cat and Dog Food Topper
    Earn 5% in rewards!
    Starting at:
    $26.06 
    Autoship
    $28.95 
  • Fera Pet Organics Vegan Omegas-3 Algae Oil For Cats and Dogs
    Earn 5% in rewards!
    Starting at:
    $26.96 
    Autoship
    $29.95 
  • NaturVet Scoopables Omega-Gold Cat and Dog Soft Chews
    Earn 5% in rewards!
    Starting at:
    $20.69 
    Autoship
    $22.99 
  • NaturVet Scoopables Digestive Enzymes Daily Digestive Support Cat Soft Chews
    Earn 5% in rewards!
    Starting at:
    $15.29 
    Autoship
    $16.99 
  • NaturVet Scoopables Hairball Aid Cat Soft Chews
    Earn 5% in rewards!
    Starting at:
    $14.39 
    Autoship
    $15.99 
  • NaturVet Scoopables Quiet Moments Calming Aid Cat Soft Chews
    Earn 5% in rewards!
    Starting at:
    $15.29 
    Autoship
    $16.99 
  • PetAg KMR Kitten Powder Milk Replacer Food Supplement
    Earn 5% in rewards!
    Starting at:
    $17.98
  • Pet Eyez Freeze Dried Vitamin Powder for Dogs and Cats - Beef Liver Flavor
    Earn 5% in rewards!
    Starting at:
    $31.49 
    Autoship
    $34.99 
  • Pet Eyez Freeze Dried Vitamin Powder for Dogs and Cats - Chicken Flavor
    Earn 5% in rewards!
    Starting at:
    $31.49 
    Autoship
    $34.99 
  • Pet Honesty Calming Dual Texture Cat Supplement - Chicken
    Earn 5% in rewards!
    Starting at:
    $15.19 
    Autoship
    $15.99 
  • Pet Honesty Multivitamin Dual Texture Cat Supplement - Chicken
    Earn 5% in rewards!
    Starting at:
    $14.24 
    Autoship
    $14.99 
  • Pet Honesty Hairball Support Dual Texture Cat Supplement - Chicken
    Earn 5% in rewards!
    Starting at:
    $14.24 
    Autoship
    $14.99 
  • Pet Honesty Probiotics Gut + Immune Health Dual Texture Cat Supplement - Chicken
    Earn 5% in rewards!
    Starting at:
    $16.14 
    Autoship
    $16.99 
  • Pet Honesty Skin & Coat Health Dual Texture Cat Supplement - Chicken
    Earn 5% in rewards!
    Starting at:
    $15.19 
    Autoship
    $15.99 
  • Pet Honesty Immune Support Lysine Dual Texture Cat Supplement - Chicken
    Earn 5% in rewards!
    Starting at:
    $16.14 
    Autoship
    $16.99 
  • Pet Honesty Wild Alaskan Salmon Oil Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $28.49 
    Autoship
    $29.99 
  • Pet Honesty Omega-3 Fish Oil Dog & Cat Supplement
    Earn 5% in rewards!
    Starting at:
    $28.49 
    Autoship
    $29.99 
  • Momentum Freeze Dried Anti-Inflammatory Dog & Cat Topper
    Earn 5% in rewards!
    Starting at:
    $14.24 
    Autoship
    $14.99 
  • Momentum Freeze Dried Gut Health Dog & Cat Topper
    Earn 5% in rewards!
    Starting at:
    $14.24 
    Autoship
    $14.99 
  • Honest Paws Pre+Probiotic Dog & Cat Supplement - Pumpkin
    Earn 5% in rewards!
    Starting at:
    $26.07 
    Autoship
    $28.97 
  • New Item!
    Feline Natural Freeze-Dried Cat Food Booster - Lamb Green Tripe
    Earn 5% in rewards!
    Starting at:
    $14.72 
    Autoship
    $15.49 
  • Zesty Paws Wild Alaskan Salmon Oil Skin & Coat Supplement for Dogs & Cats
    Earn 5% in rewards!
    Starting at:
    $25.17 
    Autoship
    $27.97 
    5.0 (1)
  • VetriScience Vetri DMG Liquid Dropper for Dogs, Cats and Birds
    Earn 5% in rewards!
    Starting at:
    $27.95 
    Autoship
    $31.05 
  • Vetnique Glandex Anal Gland Support for Dogs and Cats - Beef Powder
    Earn 5% in rewards!
    Starting at:
    $17.99 
    Autoship
    $19.99 
  • Sold Out!
    NaturPet Lung Care Supplement for Dogs and Cats
    Earn 5% in rewards!
    Starting at:
    $26.99 
    Autoship
    $29.99 
    4.0 (1)
  • Sold Out!
    Greenies Feline Pill Pockets Cat Treats - Chicken
    Earn 10% in rewards!
    Starting at:
    $6.28 
    Autoship
    $6.98 
    5.0 (1)
  • Sold Out!
    VetriScience Omega 3.6.9. Pet Gel Caps
    Earn 5% in rewards!
    Starting at:
    $25.88 
    Autoship
    $28.75 
  • Sold Out!
    Herbsmith Microflora Plus Pet Supplement
    Earn 5% in rewards!
    Starting at:
    $25.19
 

About Our Vitamins & Supplements

Your cat's health is everything and we're here to support your efforts to keep them thriving as long as possible. Ensure your cat has a healthy diet with our collection of high-quality Cat Food and Cat Treats or maintain a daily health regimen with essential vitamins and supplements. VetriScience offers a variety of Cat Multivitamins, Cat Renal Supplements, and other cat supplements that support your cat’s health with a spectrum of benefits. Lysine Cat Supplements support healthy tissue, respiratory and ocular health in felines to promote optimal immune health. Fatty Acid Pet Supplements can restore healthy skin and fur while promoting a healthy immune system. Digestive health is a cornerstone for your pet’s wellbeing, so give them the balance needed with probiotic pet supplements like Bayer DVM Endurosyn Probiotic Oral Gel and Vetnique Profivex Probiotic Supplement. The best tools and resources for a healthy pet life can be found at BaxterBoo, your ultimate online pet store for dog supplies and cat supplies!

Related Categories: Cat Healthcare, Cat Skin & Coat Care, Cat Hip & Joint Care, Cat Digestive & Urinary, Cat Stress & Anxiety

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