10 Best Oral Supplements for Cats

Boost your cat’s health with our top 10 oral supplements! Keep your feline friend happy and healthy. Shop now and see the difference!

As pet owners, we always want the best for our furry companions, and that includes ensuring they receive proper nutrition. In addition to providing a well-balanced diet, oral supplements can be an excellent way to support your cat’s health and wellbeing.

Here are the 10 best oral supplements for cats:

1. Omega-3 Fatty Acids

Omega-3 fatty acids are essential for your cat’s overall health. They have anti-inflammatory properties that can help improve joint function, promote healthy skin and coat, and support cognitive function.

Nordic Naturals Omega-3 Pet, Unflavored – 2 oz – 304 mg Omega-3 Per One mL – Fish Oil for Small Dogs & Cats with EPA & DHA – Promotes Heart, Skin, Coat, Joint, & Immune Health

• WHY OMEGA-3 PET – This Nordic Naturals pet product is made with the same exceptional quality oil as our human products, but has been specially formulated for your cat or small breed dog. Omega-3 Pet features omega-3 fish oil in liquid form.
• PROACTIVE PROTECTION FOR YOUR PUP – Research shows that the essential fatty acids EPA & DHA in fish oil help support your pet’s heart, skin & coat, immune & joint health.
• GIVE THEM THE BEST – All of our omega-3 fish oils are in the triglyceride molecular form (the form naturally found in fish) for optimal absorption. Please use only our pet products for your dog or cat, not our human products.
• PURITY GUARANTEED – Every batch of Nordic Naturals fish oil is crafted from fresh, wild-caught, omega-rich fish. We are committed to using only non-GMO, gluten- & dairy-free ingredients with no artificial colors, flavors, or preservatives.
• ETHICAL INNOVATION – Nordic Naturals has always been at the forefront of sustainable & ethical practices in the natural products industry. Our fish oils are Friend of the Sea certified & sustainably made in a zero waste facility powered by biofuel.

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2. Probiotics

Probiotics are beneficial bacteria that can help support your cat’s digestive health and immune system. They can also help reduce the risk of urinary tract infections and other illnesses.

Pet Ultimates Probiotics for Cats – 20-Species Cat Probiotic Powder to Treat Diarrhea, Vomiting, Digestive Support & Cat Antibiotics Recovery – Cat Health Supplies (44 gr)

• Better Health for your Best Friend: Whether your cat has always struggled with digestion issues, or just needs a little extra help recovering from a recent cat antibiotic round, Pet Ultimates probiotic for cats helps restore their health, making them feel active and happy again!
• Ultra-Concentrated Cat Probiotics: Our cat probiotics for diarrhea and vomiting is a custom treatment formulated with twenty carefully selected species, known to support cat digestive health, which will give your cat a renewed vitality. Our probiotics with enzymes REDUCE gas symptoms, litter box smells, shedding, itching, scratching, and hot spots.
• None of the Bad Cat Stuff: Don’t fall for foreign-manufactured cat probiotics and digestive enzymes that use sugar, grain maltodextrins or other ultra-processed ingredients as their base. We are proud to offer you a probiotic cat supplement with no fillers, artificial flavors, sugar, soy or wheat products.
• Easy-to-Swallow Pet Probiotics: Stop trying to give your best friend unpleasant pills that can harm their throat! Our tasteless probiotic multi enzyme powder dispenses in seconds. Your kitty won’t even notice our specially formulated cat medicine in their food. And most importantly, it will make your pet feel healthier!
• Made in USA: Pet Ultimates Cat Products are made from 100% USA-sourced ingredients. Our pet supplies for cats are formulated to address a broad spectrum of issues.

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3. Multivitamins

A daily multivitamin can help fill any nutritional gaps in your cat’s diet. Look for a high-quality multivitamin specifically formulated for cats.

Multivitamin for Dogs & Cats | Multivitamin for Cats | Dog Vitamins Multivitamin | Pet Vitamins | Vitamin for Cats | Liquid Dog Vitamins | Liquid Cat Vitamins

• 🐶 10 VITAMINS IN 1 DOG & CAT SUPPLEMENT – we put them together for all-round pet health balance, including bladder, kidney, skin, joint and overall well-being. Multivitamin for dogs and cats may help with this.
• 🍒 CRANBERRY FOR DOGS & CATS – full set of daily vitamins for dogs with vitamin C for cats packed w/ natural Cranberry extract created to form a “multi-defense” in every drop.
• 🏆 GREAT FOR SENIOR Cat and Dog & PUPPIES/KITTENS – our pet vitamins suitable for all breeds, sizes and ages in concentrated easy-to-use liquid.
• 🐕‍🦺 HIP & JOINT VITAMINS FOR ACTIVE DOGS and CATS- essential pet senior hip and joint support, as an additional source of dog-friendly glucosamine in advanced joint vitamins for dogs & cats.
• 💪 IMMUNE SYSTEM ENHANCE – Formulated with immune-boosting elements, our multivitamin aids in fortifying your pet’s natural defenses, keeping them resilient against common health challenges.

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4. Vitamin B12

Vitamin B12 is important for red blood cell production and a healthy nervous system. It can also help improve energy levels in cats who are feeling lethargic.

Rx Vitamins Rx B12 for Dogs & Cats – Vitamin B12 Liquid Supplement for Pets – Dog Vitamins for Small & Large Breed – Cat Health Supplies – 4 oz.

• B 12 Vitamin for Dogs & Cats: Also known as Cyanocobalamin, this essential vitamin is helps support healthy energy production, vitality, cell growth, and immunity for your pet.
• Vitamins for Dogs Small Breed & Large Breed: Our liquid vitamin B12 supplement makes it simple to measure a weight-based dose, perfect for any size adult or senior pet.
• Liquid Dog & Cat Vitamins: Our easy-to-administer formula is easy to disguise in your pet’s favorite wet or dry food. Use the dropper to measure a dose and mix it in; they’ll never be the wiser!
• Digestive & Immune Boost with Vitamin B-12: This vitamin may also support healthy digestion and immune system function for pets with low B12 levels. B12 vitamin may be missing from your pet’s food!
• Premium Pet Vitamins: Rx Vitamins pet supplements are formulated by veterinarians with high-potency ingredients to ensure safety and efficacy.

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5. Vitamin C

Vitamin C is a powerful antioxidant that can help support your cat’s immune system and promote healthy skin and coat.

Multivitamin for Dogs & Cats | Multivitamin for Cats | Dog Vitamins Multivitamin | Pet Vitamins | Vitamin for Cats | Liquid Dog Vitamins | Liquid Cat Vitamins

• 🐶 10 VITAMINS IN 1 DOG & CAT SUPPLEMENT – we put them together for all-round pet health balance, including bladder, kidney, skin, joint and overall well-being. Multivitamin for dogs and cats may help with this.
• 🍒 CRANBERRY FOR DOGS & CATS – full set of daily vitamins for dogs with vitamin C for cats packed w/ natural Cranberry extract created to form a “multi-defense” in every drop.
• 🏆 GREAT FOR SENIOR Cat and Dog & PUPPIES/KITTENS – our pet vitamins suitable for all breeds, sizes and ages in concentrated easy-to-use liquid.
• 🐕‍🦺 HIP & JOINT VITAMINS FOR ACTIVE DOGS and CATS- essential pet senior hip and joint support, as an additional source of dog-friendly glucosamine in advanced joint vitamins for dogs & cats.
• 💪 IMMUNE SYSTEM ENHANCE – Formulated with immune-boosting elements, our multivitamin aids in fortifying your pet’s natural defenses, keeping them resilient against common health challenges.

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6. Taurine

Taurine is an amino acid that is essential for your cat’s heart health and vision. It can also help support a healthy immune system.

FELO Taurine – Taurine Supplement for Cats, Taurine for Cats, Taurine Powder for Cat – 16 Oz, Powder (Thomas Pet Earlier)

• THOMAS PET FELO TAURINE (THOMAS LABS) – Same Formula as Thomas Pet Felo Taurine.
• TAURINE SUPPLEMENT FOR CATS – Great source of Taurine, essential for Cats!
• Taurine may help maintain electrolyte balance, promotes cardiovascular health and gastrointestinal function.
• Supports cardiovascular health, eye function, and normal vision
• Promotes digestive health
• A water-soluble taurine supplement for cats. Made from high-quality ingredients
• Easy to digest and easy to administer
• Essential amino acid for overall health
• The statements made about pet supplements on this page have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
• Always consult with a veterinarian before using any supplement for your cats. Dosage and potential interactions with other medications or supplements should be discussed with a professional before use.

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7. Lysine

Lysine is an amino acid that can help support your cat’s immune system and reduce the severity and frequency of upper respiratory infections.

VetriScience Vetri Lysine Plus – 120 Chews – Immune Support Cat Supplements and Vitamins with L-Lysine and DMG for Immunity and Respiratory Health​

• Immune support supplement for cats: From the veterinarian-formulated brand comes the daily immunity supplement designed to support immune system function, collagen formation, tissue repair, antioxidant activity and more​
• Comprehensive cat health formula: Vetri Lysine Plus is formulated with l-lysine and DMG to help produce antibodies, hormones, enzymes, vitamins, and more for proper immune function and protection​
• Bite-sized chews: Our great-tasting chews – naturally flavored with real chicken liver – are the easy way to help optimize immunity, respiratory health and eye health for your furry friend​
• Safe, high-quality ingredients: Our dog and cat supplements are certified by the National Animal Supplement Council (NASC), routinely undergo third-party testing and contain no hidden ingredients, artificial flavors, synthetic colors or preservatives​
• Veterinarian-formulated and approved: Formulated with the expertise of scientists and veterinarians, and trusted by over 15,000 veterinary clinics in the U.S., VetriScience only makes supplements that vets feel confident giving to their own pets​

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8. Cranberry

Cranberry supplements can help prevent urinary tract infections by preventing bacteria from adhering to the bladder wall.

Cranberry for Cats – Incontinence Support, Urinary Tract Support, Cat UTI, Bladder Support, 120g Powder (for Cats)

• Natural Urinary Tract Support – Coco and Luna Urinary Tract Support is a natural supplement that contains Cranberries which help soothe any discomfort in the urinary tract.
• Cranberry Supplement for Cats – Our formula supports your pet’s bladder and urinary tract health while also providing a rich and natural source of antioxidants and Vitamin C to support normal urine pH.
• Easy-to-Serve Powder – Our formula has the best natural ingredients, adjusted for cats in an easy-to-serve format that can be given with food.
• A Brand You Can Trust – We understand how much your pet’s health and well-being mean to you, so our supplement is manufactured in FDA-registered facilities that are NSF and GMP-certified in the USA.
• Made in the USA from US and Globally Sourced Ingredients – All our products are made in the USA and are veterinarian-formulated. Our supplement may help as a cat urinary tract support and can support your cat’s overall bladder health.

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9. Milk Thistle

Milk thistle is an herb that can help support your cat’s liver health and improve digestion.

Pet Wellbeing Milk Thistle for Cats – Supports Liver Health, Protects Liver – Glycerin-Based Natural Herbal Supplement – 2 oz (59 ml)

• ✅ BETTER QUALITY OF LIFE. Are you concerned about your cat’s quality of life? Outward signs of discomfort, anxiety, and stress can have a devastating impact on our pet family. We’re here to help.
• ✅ PROTECT. Liver disease, including fatty liver, is one of the most common health problems in older felines. Milk Thistle supports healthy liver function for whole-body health. Silymarin flavonoids in Milk Thistle help protect hepatocytes (liver cells) from toxins. Their antioxidant action also protects the liver from oxidative (free-radical) damage.
• ✅ DETOXIFY. A healthy liver is important because it plays an essential role in detoxification. It helps ensure elimination of toxins including chemicals from processed foods, the environment, medications, as well as byproducts of regular metabolism.
• ✅ REGENERATE. Milk Thistle has been shown to help guard against toxins binding in the liver, help repair and replace damaged liver cells, and support production of healthy, new liver cells.
• ✅ VETERINARIAN-FORMULATED. MADE IN USA. MONEY-BACK GUARANTEE. TRUSTED CARE SINCE 2001. Developed by our caring, in-house holistic veterinarians with your pet’s health and wellbeing in mind. All of our vet-created supplements are manufactured in the USA in FDA-registered, GMP-certified facilities. Made with only the highest quality ingredients and tested for purity.

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10. Digestive Enzymes

Digestive enzymes can help improve the breakdown and absorption of nutrients in your cat’s food. They can also help reduce digestive issues such as diarrhea and vomiting.

NaturVet – Digestive Enzymes for Cats Plus Probiotics – 60 Soft Chews – Helps Support Diet Change & A Healthy Digestive Tract – Aids in The Absorption of Vitamins & Minerals – 30 Day Supply

• For use in cats over 12 weeks of age
• NaturVet Digestive Enzymes Plus Probiotic helps to unlock vitamins, minerals and other important nutrients from food for optimal absorption
• Good for food transitioning
• Aids in the absorption of vitamins & minerals from food
• Provides energy due to better utilization of nutrients

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Factors You Should Consider Before Buying Oral Supplements for Cats

When it comes to selecting oral supplements for your feline friend, several factors should be considered to ensure you make the best choice for your cat’s health and well-being. Here are some important factors to keep in mind:

1. Your Cat’s Health Needs

Consider your cat’s specific health needs and any underlying medical conditions they may have. Different supplements target various health concerns such as joint health, digestive issues, skin and coat health, and immune support. Choose a supplement that addresses your cat’s specific needs.

2. Quality of Ingredients

Examine the quality of ingredients used in the supplements. Look for natural, high-quality ingredients that are safe and beneficial for cats. Avoid supplements containing artificial additives, fillers, or unnecessary ingredients that may be harmful to your cat’s health.

3. Formulation

Consider the formulation of the supplement and how it fits into your cat’s daily routine. Some cats may prefer liquid supplements that can be easily mixed with their food, while others may prefer chewable tablets or treats. Choose a formulation that your cat will readily accept and enjoy.

4. Palatability

Palatability is crucial when selecting oral supplements for cats. Choose supplements with flavors that appeal to your cat’s taste preferences to ensure they willingly consume the supplement without any resistance.

5. Ease of Administration

Consider the ease of administering the supplement to your cat. Opt for supplements that are easy to administer, especially if your cat is finicky or difficult to medicate. Products with convenient dosing instructions and packaging can make the administration process smoother.

6. Veterinary Recommendations

Consult with your veterinarian before introducing any new supplements to your cat’s diet. Your vet can provide valuable insights into your cat’s health needs and recommend supplements that are safe and effective for them.

7. Brand Reputation

Choose supplements from reputable brands with a history of producing high-quality pet products. Research the brand’s reputation, manufacturing practices, and customer reviews to ensure you’re selecting a reliable supplement for your cat.

8. Cost vs. Value

Consider the cost of the supplement relative to its quality and benefits for your cat. While it’s essential to stay within your budget, prioritize the overall value and effectiveness of the supplement in supporting your cat’s health and well-being.

By considering these factors carefully, you can make an informed decision when selecting oral supplements for your beloved feline companion. Always prioritize your cat’s health and consult with your veterinarian if you have any concerns or questions about supplementation.

When choosing oral supplements for your cat, it’s important to consult with your veterinarian to ensure that you are selecting the right supplements and dosages for your cat’s specific needs. Additionally, it’s important to choose high-quality supplements that are free from harmful additives and preservatives. With the right combination of nutrition and supplements, you can help your cat maintain optimal health and wellbeing.

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