Best Cat Supplements 2025: Complete Guide & Reviews

Updated: January 2025 Category: Cats • Health • Supplements Reading Time: 10 min

Supplements can provide targeted support for your cat's health and wellbeing. From joint support for senior cats to omega-3 fatty acids for skin and coat health, supplements can address specific needs that may not be fully met by diet alone. Choosing the right supplements can help support your cat's health at every life stage.

In this comprehensive guide, we've researched and compared the best cat supplements available on Amazon. We've evaluated each product based on ingredient quality, effectiveness, ease of administration, and value. All products reviewed here include direct Amazon purchase links with our affiliate tag.

Quick Answer: Our Top Picks

If you're in a hurry, here are our top recommendations:

What to Look For in Cat Supplements

When choosing supplements for your cat, consider these important factors:

Specific Needs

Choose supplements that address your cat's specific health needs. Joint supplements for senior cats, omega-3 for skin/coat, probiotics for digestion, or multivitamins for overall support.

Quality Ingredients

Look for supplements with high-quality, bioavailable ingredients. Check for appropriate dosages and ensure ingredients are safe for cats. Avoid supplements with excessive fillers or artificial additives.

Form and Administration

Supplements come in various forms: powders, liquids, pastes, and treats. Choose the form that's easiest to administer to your cat. Some cats prefer treats, while others accept powders mixed in food.

Veterinary Consultation

Always consult your veterinarian before starting supplements, especially if your cat has health conditions or takes medications. Some supplements can interact with medications or may not be appropriate for certain conditions.

Product Comparison Table

Product Type Primary Benefit Best For Price Range
Multivitamin Multivitamin Overall health General support $$
Joint Support Joint Mobility Senior cats $$
Omega-3 Fatty acids Skin & coat Coat health $$
Probiotic Digestive Digestion Digestive health $$

Detailed Product Reviews

1. Multivitamin Supplement - Best Overall

Multivitamin supplements provide comprehensive nutritional support for cats. These supplements typically include essential vitamins, minerals, and amino acids that may be lacking in your cat's diet.

Multivitamins are particularly useful for cats on homemade diets, picky eaters, or those with nutritional deficiencies. They help ensure your cat receives all essential nutrients for optimal health.

When choosing a multivitamin, look for one specifically formulated for cats with appropriate dosages. Avoid supplements with excessive amounts of fat-soluble vitamins (A, D, E, K) which can be toxic in high doses.

Key Features: Complete nutrition, essential vitamins/minerals, cat-specific, balanced formulation, overall support

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2. Joint Support Supplement - Best Joint Support

Joint support supplements typically contain glucosamine, chondroitin, and MSM to support joint health and mobility. These supplements are particularly beneficial for senior cats or those with arthritis or joint issues.

These supplements help maintain cartilage health and reduce inflammation in joints. They can improve mobility and comfort for cats with joint problems, making daily activities easier and less painful.

Joint supplements are available in various forms including powders, liquids, and treats. They're safe for long-term use and can be particularly helpful for maintaining quality of life in senior cats.

Key Features: Glucosamine/chondroitin/MSM, joint health, mobility support, senior cat friendly, anti-inflammatory

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3. Omega-3 Supplement - Best Skin & Coat

Omega-3 fatty acid supplements, typically from fish oil, provide essential fatty acids that support skin and coat health. These supplements can improve coat shine, reduce shedding, and support skin health.

Omega-3 supplements also provide anti-inflammatory benefits and can support brain and eye health. They're particularly beneficial for cats with dry skin, dull coats, or skin allergies.

These supplements come in liquid or capsule form. Liquid forms can be mixed with food, while capsules can be opened and the contents added to meals. Look for products with high EPA and DHA content.

Key Features: Fish oil, omega-3 fatty acids, skin/coat support, anti-inflammatory, brain/eye health

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4. Probiotic Supplement - Best Digestive

Probiotic supplements provide beneficial bacteria to support digestive health. These supplements help maintain a healthy gut microbiome, which supports digestion, immune function, and overall health.

Probiotics are particularly useful after antibiotic treatment, during stress, or for cats with digestive issues. They help restore and maintain healthy gut bacteria balance.

Look for probiotics with multiple bacterial strains and adequate CFU counts (at least 1 billion). Probiotics are available in powders, pastes, and treats, making them easy to administer.

Key Features: Beneficial bacteria, digestive support, immune support, multiple strains, gut health

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Final Verdict

Multivitamin supplements provide comprehensive support for most cats, while joint supplements are essential for senior cats or those with mobility issues. Omega-3 supplements support skin and coat health, and probiotics maintain digestive health. Choose supplements based on your cat's specific needs and always consult your veterinarian before starting any supplement regimen.

Remember that supplements should complement, not replace, a balanced diet. Most cats on high-quality commercial diets don't need additional vitamins, but targeted supplements can address specific health concerns. Always follow dosage instructions and monitor your cat for any adverse reactions.