Best Liquid Cat Multivitamins in 2026

Daily L-Lysine supplement for cats helps support a strong immune system and eye & respiratory health

Helps manage common feline health issues such as sneezing, runny nose and watery, inflamed eyes

Lysine powder for cats & kittens provides specially-formulated immune support for as long as needed

L-Lysine supplement for cats; supports normal eye function, respiratory health, strong immune system

Helps manage common feline health issues; sneezing, runny nose, squinting and watery, inflamed eyes

One to two scoops daily provides support for the immune and respiratory system for kittens and cats

For use in dogs and cats over the age of 12 weeks

For naturally healthy skin and a glossy coat

Vitamin enriched tablets and powder contain top quality debittered yeast that your dogs and cats love to eat

I 'Sea' Something Yummy! - Solid Gold SeaMeal is a kelp-based dog and cat supplement that mixes with your pet's favorite wet or dry food for the best digestive, immune system, skin, and coat support.

Nutrient Rich Powder - Utilizing seaweed, earth's original Superfood, this SeaMeal combines red, green and brown seaweed species (such as kelp) to provide amazing wellness benefits for dogs and cats.

Enzyme Support for Digestion - This premium and nourishing powder features digestive enzymes to support gut health for your dog or cat.

ORGANIC LIMITED INGREDIENTS – Only the most powerful organic ingredients chosen for their efficacy, purity and safety to ensure you’re feeding your fur kid the best whole food nutrition possible.

THE BENEFITS OF ORGANIC KELP — From iodine to iron to amino acids, Kelp provides pets with essential vitamins, minerals, and micronutrients needed to thrive. We like to call Kelp the new Kale.

SUPPORTS HEALTHY SKIN AND COAT — This “vegetable of the sea” is the natural addition to help itchy skin and shedding issues and promote a luxurious, glossy coat and healthy skin.

L-LYSINE FOR CATS SUPPLEMENT POWDER - 900 mg of l-lysine hydrochloride per scoop, natural chicken liver flavor for picky eaters. Safe for kittens, adults & senior cats of all breeds. Sprinkle l-lysine immune system support supplements over cat food once per day.

CAT IMMUNE SUPPORT SUPPLEMENT - Our best l-lysine cats supplement powder works as a pet immune system booster without the use of cat meds or antibiotics. Helps treat feline herpes, herpesvirus, cough, cat sneezing, runny nose, congestion, colds.

CAT RESPIRATORY SUPPORT - Our powerful cat vitamins and supplements contain 2x more cat lysine supplement amino acids per scoop for optimal cat health. L-Lysine powder for cats is a natural upper respiratory infections treatment for cats & kittens & a cat cold medicine decongestant.

SKIN & COAT SUPPORT: BIXBI Skin & Coat is veterinarian recommended for dogs and cats and supports a healthy skin and coat; Suitable for any pet with skin and coat issues or symptoms of seasonal allergies

ORGANIC PET SUPERFOOD FORMULA: Made with a powerful blend of organic mushrooms, rich in polysaccharides and shown to promote healthy immune responses to external stress

ALL NATURAL, GRAIN FREE & GLUTEN FREE: BIXBI dog and cat daily mushroom powder supplement is all natural, grain free, gluten free and contains no artificial preservatives or flavors

Probiotics are good bacteria that might work to inhibit the growth of potentially harmful bacteria in the digestive tract

Rx Biotic Powder product may help address certain symptoms associated with digestive discomfort‚ such as mild diarrhea‚ constipation‚ or vomiting

The recommended serving size of one to four scoops daily‚ each container of Rx Vitamins for Pets’ Rx Biotic Powder should last for about three to 12 weeks

Milk Thistle for Dogs: Using 100mg (1/4 tea spoon) of Milk Thistle powder is the best known natural liver support detox supplement for dogs and humans alike

Dog Liver Support Powder: Milk Thistle is known to naturally support PET LIVER, Pancreas and Gallbladder Health

Canine Liver Support Supplement without pills: When you are in the look out for natural support for dog liver disease, milk thistle should be in your pet cabinet without fail

SUPPORTS A HEALTHY HEART - With Taurine powder, L-carnitine, Coenzyme Q10, organic Hawthorn Berry, and Vitamin E, our cat and dog multivitamin is the best mix of ingredients that supports a healthy cardiovascular system.

ENHANCES CARDIAC FUNCTION - Our vitamins for dogs and cats help strengthen cardiac muscle, promoting normal blood circulation and heartbeat. It helps boost their energy for play and reduces risk of cat and dog heart disease.

CAPSULE FORM - These dog and cat vitamins contain salmon-flavored powder in capsules. Feed it to your pet whole. Or you can open it and sprinkle the powder on your pet’s food. Give them 1 capsule a day per 25lbs of weight.

Supports normal function and health of the kidneys

Kidney care for both dogs and cats.

Phos-Bind 200 gm Powder

A MULTIVITAMIN FOR YOUR PUP - Our dogs are part of the family and deserve the very best when it comes to their health. That’s why we created Dog Mix—a thoughtful nutritional formula that helps fill the gaps in a dog’s diet. Just mix this powder with high-quality pet food and know your furry friend is getting the very best.

DOGS DESERVE BETTER SUPPLEMENTS – If you’re taking high-quality vitamins, shouldn’t your dog? That’s why Life Extension uses the same high-quality ingredients in our Dog Mix as we do in our “people” supplements! This dog mix has rosemary, thyme, and sage extracts along with a slew of vitamin Bs, mixed carotenoids, essential fatty acids...even probiotics.

CARNITINE FOR HEALTHY CANINES – Carnitine is an essential nutrient that usually comes from meat (but might not be found in enough quantities in kibble). It helps your dog’s cellular mitochondria produce energy. Likewise, it has lipoic acid, which also supports brain health. And antioxidant vitamin E is good for your pooch from nose to tail.

PET IMMUNE BOOSTER: Our Icelandic sea kelp organic powder daily supplement for dogs and cats is one of the most mineral-rich supplements on the market. Sea kelp naturally contains over 60 immune boosting nutrients!

RICH IN IODINE: This iodine rich seaweed pet supplement supports thyroid health and metabolism, making great thyroid supplements for dogs and thyroid supplements for cats. Ideal for pets with autoimmune disease and hypothyroidism. Pet kelp also supports a healthy skin & coat by promoting pet hair regrowth and reducing allergies, itching and inflammation.

VET RECOMMENDED: Our ocean kelp for dogs and cats is made with 100% organic sea kelp. Contains zero artificial ingredients, fillers, or preservatives. An excellent source of fiber, Norwegian kelp meal provides cat, dog, and even puppy digestion support. Our easy to use ocean kelp supplements for dogs and cats supports a strong glandular system and provides dog adrenal support.

HEALTHY SKIN and COAT – A Cat and Dog Omega 3 supplement combining the benefits of natural Omega 3, 6 and 9 fatty acids for a brilliant, shiny coat and healthy skin.

VITAMINS - Fortified with biotin and vitamins for maintaining overall health.

EASY TO ADMINISTER - Tasty Powder for Dogs and Cats. Recommended to double the suggested daily amount for the first two weeks, can be divided between two or more servings if desired.

Just Two Ingredients: Free-range Elk Bone and Premium Grade A Naturally Shed Wild Elk Antler. Our Antlers are Naturally Shed & Cruelty Free. Never Any Velvet Antlers.

Nutrient and Mineral Rich: Amino Acids: Arginine, Glycine, Glutamine, Proline. Nutrients: Thiamine, Potassium, Zinc, Calcium, Sulfur, Magnesium, Phosphorus, Trace Minerals, Glucosamine, Chondroitin.

Easily Digestible, Tasty and Convenient: Amazingly Healthy Superfood in a Convenient Powder That Can be Sprinkled on Food as a Topper or Mixed with Peanut Butter for a Delicious Treat.

Increased Lactation - Provides quality nutrients that contain all of the right ingredients to help your lactating pet. Our lactating dog supplement increases the production and quality of milk, which makes these supplements ideal nursing dog supplies for keeping your dog and cat healthy before and after the birth of their litter of puppies or kittens.

Newborn Muscle & Skeletal Development - Our nursing supplement not only maintains your nursing dog's or cat’s health, but also helps nourish young puppies and kittens in their growth. This powder is carefully formulated to aid proper muscle, mental, and skeletal development of your nursing dog and puppies.

Energy Replenishing Formula - The miracle of birth is painful and exhausting for nursing dogs and cats, which is why our supplement is designed to help your furry friend recover quickly. Constant breastfeeding can also result in low energy levels, and our nursing dog supplement provides the vitamins & essential nutrients needed for both your nursing dog and her newborn puppies.

Cat Supplements for indoor cats & Veterinarian Pharmacist approved - help issues related to cat asthma, immunity & overall cat health. Trust a natural all-in-1 cat multivitamin & that could replace cold medicine for cats. Great senior cat vitamins!

Cat Lysine - essential to cat allergy medicine for cats & upper respiratory system. All-natural L Lysine powder for cats in a chewable treat to help address symptoms of feline infections, congestion, eye inflammations & discharge.

MADE IN THE USA Vitamin For Cats -Krill Oil helps reduce risk of feline heart disease & joint pain w/ Omega-3, the best cat vitamins for older cats lysine B12 & Folic Acid. Help with cat cold medicine sneezing. Great under the weather cat supplement!

Mushroom Matrix Canine Organic Mushroom Powder Skin and Coat Supplement for Dogs: Contains one 100 gram pouch of organic mushroom powder created to maintain your pet’s healthy skin and coat and support pets with seasonal allergies (100 servings for a 25 lb. pet or 50 servings for a pet weighing 50 lbs. or more)

Functional Support: Skin and Coat mushroom powder supplement is made for animals with allergies to promote healthy skin and a shiny coat

Pure Functional Mushroom Powder: This powder contains no synthetic ingredients, additives or fillers

Lysine Plus highly palatable oral granule powder formulated is recommended by veterinarians for feline conditions that are responsive to Lysine. L-Lysine Powder helps support a healthy system, normal respiratory health, and also helps to maintain ocular health. Delivers veterinarian-recommended amount of Lysine: cats = 1 Scoop; 1 or 2x daily, kittens = 1/2 Scoop; 1 or 2x daily

Dimethylglycine (DMG) DMG is an intermediary metabolite that improves cellular metabolism especially under stressful conditions. DMG provides the building blocks for synthesis of vitamins. It also supports all aspects of response.

Lysine Plus may help manage signs associated with the Feline, issues such as sneezing, watery and inflamed eyes, and runny noses

Cat and Dog Probiotics - Coco and Luna 10 in 1 contains enzymes and probiotics for cats and dogs that support their digestive health and eliminate harmful toxins in your pet’s liver.

Joint Supplement for Dogs and Cats - Our natural cat and dog supplement has Glucosamine, MSM, and Chondroitin which helps support joints and cartilage which increases your pet’s mobility.

Easy to Serve Powder - Our vitamins for dogs and cats has the best natural ingredients, adjusted for cats and dogs in an easy to serve format that can be given with food or as a daily treat.

OVERALL WELLNESS SUPPORT: Wholistic Feline Complete is a super-premium cat food supplement loaded with multivitamins for cats and a key source of healthy protein; the all-in-one whole food supplement contains vitamins, minerals, prebiotics, probiotics, digestive enzymes, essential fatty acids, and antioxidants

SEE THE RESULTS: This daily cat vitamin powder features many organic ingredients, is easily digestible when mixed into food, and is ideal for cats of all ages; Wholistic Feline Complete is designed for your petÕs long-term health with most owners noticing a distinct improvement in their petÕs appearance in just a few weeks

RESTORE GUT HEALTH: Wholistic Feline Complete has no fillers, synthetics, GMOs or artificial flavoring, only natural ingredients chosen for a healthy, normal functioning digestive system; it may also help regulate normal immune function, eliminate damaging free radicals, alleviate allergy symptoms, and promote normal cell, tissue and organ function

Dog Cardio Strength: As a cardiotonic hawthorn improves general function of the pet heart and strengthen a weak or irregular heartbeat of dogs

Dog Heart Murmur Supplement: Hundreds of scientific studies have validated hawthorn’s usefulness as a heartguard tonic for pets. It acts a perfect heart supplement for dogs and cats by helping increase circulation and the transport of nutrients and oxygen throughout the body

Pet Heart Vitamins: Hawthorn is not only useful for older dogs but acts as a valuable daily supplement for working dogs who may undergo continued cardiac stress. Sled dogs, agility dogs, herding and bird dogs would all benefit from this herb.

Supports skin and coat health - Getting your pet to develop and maintain a shiny and vibrant coat is not only about using pet-friendly shampoo and conditioner. Your pet needs proper nourishment to boost their fur growth. With Lexelium’s fur enhancer supplement, your pet's fur will look silky and lavish at all times.

Restores Bald Spots - Whether it's seasonal shedding or bacterial infections, furry pets can shed a lot of hair. Sometimes the shedding becomes out of control, and the pet has bald patches all over their body. However, our product functions equally well as a cat skin or dog skin supplement. It can repair and optimize the biological functions involved to restore their illustrious coat.

Premium, Well-Researched Ingredients - Our coat and fur enhancer supplement provides your pet with the right nutrition to help nourish the skin and coat of dogs who suffer from a dull coat and itchy or dry skin. This supplement combines Calcium Citrate, Zinc, Vitamin D3, Vitamin B Complex, Yeast Extract, Hydrolyzed Protein, Biotin, and Flax Seed to help young pets grow thick and shiny fur.

Delicious Cheese & Bacon Dog Pill Treats. Takes the stress out of feeding your pet their medication by disguising any pill, capsule, tablet, powder, or supplement into into a treat.

Medication time can be stressful. Our highly palatable pill paste is packed with flavor so your dog won't sniff them out or eat the treat and spit the pill back out.

They'll beg you for their daily treat. Create the perfect pill pouch or pocket for your dogs medication.

Helps prevent feline UTIs

Healthy Cat Supplies: This cranberry powder extract supports normal bladder function and urination

Tasty Cat Urinary Supplement: This omega 3 fish oil supplement has a delicious natural savory flavor

Supports Liver Health - Our cat and dog supplement with milk thistle helps boost the nutritional support of dogs or cats with liver problems. If your pet is experiencing liver problems, this liver powder for dogs can help repair and regenerate your pet's liver cells

Increased Enzyme Production - The liver is an organ that serves a variety of important functions that are essential to a dog's overall health and well-being. However, many breeds of dogs and cats are pre-exposed to liver problems. This supplement will not only protect the liver of your pet dog from any damage but also increase enzyme production for improved liver health and bile flow, making this liver support detox supplement perfect for your beloved pets

Potent Liver Supplement for Dogs and Cats - Our experts ensure that this dog liver supplement provides the right nutrition and ingredients to help them recover from liver, gallbladder, and kidney problems. This supplement combines Beef Liver Hydrolysate, Milk Thistle Extract, Methionine and Calendula Extract to help improve your dog or cat's liver health and bile flow

VET RECOMMENDED: to maintain a healthy urinary tract and support optimal bladder function

SCIENTIFICALLY FORMULATED: D-Mannose and cranberry for potent UTI defense and urinary tract health

THE ANSWER TO INCONTINENCE: Kidney and bladder Supplement, Antioxidant, and Anti-Inflammatory

HELPS CAT GAIN WEIGHT - Filled with healthy ingredients to help your cat gain weight if they aren't eating properly. Enhance your cat's diet with only 1-2 scoops a day.

STIMULATES APPETITE - When your cat isn't getting proper nutrition due to reasons such as illness or medical procedures, this nutritional supplement powder will help restore your kitty's appetite to keep them healthy and strong for the years to come.

ENERGY BOOSTER - Vitamins, minerals, carbohydrates, and omega fatty acids are essential nutrients to boost your cat's weight, appetite and energy to stay active and play more.

CONVENIENT POWDER: Our convenient powder is easy to sprinkle on your cat’s food. With a simple scoop, you can provide your cat with over 20 billion live probiotic cultures from 10 unique strains.

HELPS MAINTAIN GENERAL HEALTH: Our complete formula contains a full spectrum of vitamins and minerals to help maintain the general health of cats of all ages and of all breeds.

SUPPORTS THE IMMUNE SYSTEM: A comprehensive daily supplement for cats with over 40 synergistic ingredients which support the immune system and assist in the digestion and absorption of essential nutrients.

MULTIVITAMIN SUPPLEMENT - Fera Dog and Cat Multivitamin can contain a full range of essential vitamins and minerals to keep your pet active, happy, and healthy. Our powdered goat milk for dogs and cats include probiotics Bacillus Coagulans which can survive stomach acid, promoting gut health and immune health.

GOATS MILK MEAL TOPPER - Goat’s milk contains a unique blend of fats, carbohydrates, and proteins that make it easily digestible for your furry friends. Our goats milk meal toppers for dogs contain naturally occurring vitamins and minerals that help support your pet’s health.

PET HEALTH SUPPORT - Our cat and dog food toppers for picky eaters contain naturally occurring potassium which helps support nerve, muscle, and heart health, as well as calcium and phosphorus for strong bones.