The 10 Best Cat Vitamins & Supplements

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How we created this cat vitamins & supplement list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best cat vitamins & supplement.

We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best cat vitamins & supplements.

Key cat vitamins & supplement considerations

Effectiveness

Form and Administration

Ingredients

Nutritional Value

Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count

Nutramax Proviable Probiotics & Prebiotics Digestive Health Supplement for Dogs & Cats, 80 count

Rated 4.8 out of 5 stars

6,316

$44.99Chewy Price

($0.57/ea)

Promo, Spend $100, Get $30 eGift Card with code SUMMER

Our ratings

Effectiveness

4.6/5

Excellent

Form and Administration

4.5/5

Great

Ingredients

4.6/5

Excellent

Nutritional Value

4.6/5

Excellent

Is this cat vitamins & supplement right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Fructooligosaccharide, gum arabic, maltodextrin, dried Enterococcus faecium fermentation product, dried Bifidobacterium bifidum fermentation product

Health Feature

Digestive Health

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Vetoquinol Viralys Powder Immune Supplement for Cats, 3.5-oz

Vetoquinol Viralys Powder Immune Supplement for Cats, 3.5-oz

Rated 4.7 out of 5 stars

1,484

$30.49Chewy Price

($8.72/oz)

Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Effectiveness

4.7/5

Excellent

Form and Administration

4.5/5

Great

Ingredients

4.6/5

Excellent

Nutritional Value

4.5/5

Great

Is this cat vitamins & supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients per 1 scoop (0.52 grams): L-Lysine Hydrochloride ..... 500 mg Inactive Ingredients: Brewer's Dried Yeast, Hydrolyzed Fish (enzymatic), Hydrolyzed Poultry Liver (enzymatic), Mixed Tocopherols (a preservative), Sodium Acid Pyrophosphate

Food Flavor

Poultry, Seafood & Fish

Health Feature

Immune Support, Respiratory Care, Eye Care

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Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch

Pet Honesty Hairball Control Chicken Flavored Chews Digestive Support Supplement for Cats, 3.7-oz pouch

Rated 4.5 out of 5 stars

2,102

$13.99Chewy Price

($3.79/oz)

Promo, Spend $100, Get $30 eGift Card with code SUMMER

Our ratings

Effectiveness

4.5/5

Great

Form and Administration

4.4/5

Great

Ingredients

4.4/5

Great

Nutritional Value

4.4/5

Great

Is this cat vitamins & supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Active Ingredients: Citrus Pulp, Apple Pomace, Psyllium Husk, Zinc Methionine, Omega-3s

Special Diet

Natural, No Corn No Wheat No Soy

Food Flavor

Chicken

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Diggin' Your Dog Firm Up! Pumpkin Digestive Aid Powder Supplement for Dogs & Cats, 16-oz bag

Rated 4.5 out of 5 stars

1,095

$44.99Chewy Price

($2.82/oz)

Promo, Spend $100, Get $30 eGift Card with code SUMMER

Our ratings

Effectiveness

4.6/5

Excellent

Form and Administration

4.6/5

Excellent

Ingredients

4.6/5

Excellent

Nutritional Value

4.6/5

Excellent

Is this cat vitamins & supplement right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Pumpkin, Apple Fiber

Special Diet

Limited Ingredient Diet, Natural

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PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can

PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can

Rated 4.8 out of 5 stars

865

$30.00Chewy Price

($2.50/oz)

Promo, Spend $100, Get $30 eGift Card with code SUMMER

Our ratings

Effectiveness

4.5/5

Great

Form and Administration

4.5/5

Great

Ingredients

4.4/5

Great

Nutritional Value

4.6/5

Excellent

Is this cat vitamins & supplement right for my pet?

Lifestage

Kitten

Top Ingredients

Casein, Vegetable Oil (With Tocopherols And Ascorbyl Palmitate (Preservatives), Rosemary Extract), Dried Skimmed Milk, Dried Whey Protein Concentrate

Food Flavor

Unflavored

Packaging Type

Can

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Native Pet Sockeye Salmon Flavored Oil Skin & Coat Health Liquid Supplement for Dogs & Cats, 8-fl oz bottle

Native Pet Sockeye Salmon Flavored Oil Skin & Coat Health Liquid Supplement for Dogs & Cats, 8-fl oz bottle

Rated 4.8 out of 5 stars

206

$17.49Chewy Price

($2.19/fl oz)

Promo, Spend $100, Get $30 eGift Card with code SUMMER

Our ratings

Effectiveness

4.8/5

Excellent

Form and Administration

4.6/5

Excellent

Ingredients

4.8/5

Excellent

Nutritional Value

4.8/5

Excellent

Is this cat vitamins & supplement right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages

Top Ingredients

omega-3, Salmon Oil, Mixed Tocopherols (preservative)

Special Diet

Gluten Free, No Corn No Wheat No Soy, Limited Ingredient Diet

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Probios Dispersible Powder Supplement, 240-g jar

Rated 4.7 out of 5 stars

588

$17.16Chewy Price

($0.08/g)

Promo, Spend $100, Get $30 eGift Card with code SUMMER

Our ratings

Effectiveness

4.6/5

Excellent

Form and Administration

4.7/5

Excellent

Ingredients

4.7/5

Excellent

Nutritional Value

4.5/5

Great

Is this cat vitamins & supplement right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Sucrose, Dried Whey, Sodium Silico Aluminate, Dried Enterococcus Faecium Fermentation Product, Dried Lactobacillus Acidophilus Fermentation Product

Food Flavor

Unflavored

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Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement, 15-oz, case of 12

Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement, 15-oz, case of 12

Rated 4.6 out of 5 stars

654

$40.80Chewy Price

($0.23/oz)

Promo, Spend $100, Get $30 eGift Card with code SUMMER

Our ratings

Effectiveness

4.6/5

Excellent

Form and Administration

4.6/5

Excellent

Ingredients

4.6/5

Excellent

Nutritional Value

4.7/5

Excellent

Is this cat vitamins & supplement right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredient

100% Organic Pumpkin

Special Diet

Organic

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Cat Lax Cat Supplement, 2-oz tube

Rated 4.4 out of 5 stars

1,767

$9.59Chewy Price

($4.80/oz)

Promo, Spend $100, Get $30 eGift Card with code SUMMER

Our ratings

Effectiveness

4.4/5

Great

Form and Administration

4.2/5

Great

Ingredients

4.3/5

Great

Nutritional Value

4.1/5

Great

Is this cat vitamins & supplement right for my pet?

Lifestage

All Lifestages, Adult

Top Ingredients

Cod Liver Oil, Caramel, Lecithin, Malt Syrup, White Petrolatum

Food Flavor

Unflavored

Health Feature

Hairball Control

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VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count

VetriScience Extra Strength Gut Mega Probiotic & Prebiotic Health Easy-Open Capsules Digestive Supplement for Dogs & Cats, 120 count

Rated 4.6 out of 5 stars

597

$32.00Chewy Price

($0.27/ea)

Promo, Spend $100, Get $30 eGift Card with code SUMMER

Our ratings

Effectiveness

4.6/5

Excellent

Form and Administration

4.6/5

Excellent

Ingredients

4.7/5

Excellent

Nutritional Value

4.6/5

Excellent

Is this cat vitamins & supplement right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages, Adult

Top Ingredients

Microcrystalline Cellulose, Fructooligosaccharides, Dried Lactobacillus Acidophilus Fermentation Product, Dried Lactobacillus Plantarum Fermentation Product, Dried Lactobacillus Casei Fermentation Product

Food Flavor

Unflavored

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