Best Cat Fish Oil Supplements of 2026

"Since giving this oil to my cat, I've noticed a dramatic improvement in her coat—it's shinier, softer, and her dandruff is nearly gone. She actually eats her food with the oil, which is a big plus since she’s refused other brands. The clear instructions and included dropper make it easy to use. This has truly made a difference for us!"

"I was amazed by how quickly this fish oil helped my cat. Only a few days in, and his persistent dandruff vanished, plus his coat looks so much better. I appreciate that it’s unflavored and effortless to add to his food, and it’s reassuring to know it also supports his heart and immune system. I highly recommend this as a game-changer."

"After struggling with my cat's overgrooming and allergies, this product has been the missing piece in her care. We were able to reduce her medications, and her fur is finally growing back in spots I thought would always be bald. Her skin is healthier and she's so much happier now."

"I've noticed a remarkable improvement in my cat's fur after using this product. The glass dropper is sturdy and easy to use, which I much prefer over brands with a separate dropper. My cat's coat is glossier and we've had fewer hairballs."

"After a week of adding this Omega 3 oil to my cats' food, their skin is less dry and their fur looks shinier and softer. Both cats seem to enjoy the taste and eat better, so I plan to keep using it."

"Unfortunately, my cats refuse to eat anything with this oil mixed in, so I can't speak to its effectiveness. I'm a bit disappointed I can't return it, but I hope it works out for others."

"After using this oil for just a couple of weeks, my cat’s skin feels much healthier and her fur is finally growing back. She’s also shedding less, and her dandruff has almost disappeared. I was worried about fish-based ingredients, but this has turned out to be exactly what she needed. Even my other cat’s gums improved after starting this supplement. I mix the drops into their wet food, and they eat it happily. The only small issue is that the bottle leaks a bit with the dropper, but there’s a pump option, too."

"I’m really happy with this product! My cat’s itching has stopped, and his coat is getting softer and shinier. He had no problem with the taste at all. We were so impressed that we bought another bottle."

"I started giving this oil to my senior cats because one of them lost fur due to over-licking from arthritis pain. Within two weeks, his fur grew back, he became more energetic, and gained weight. Both cats now have softer fur, shed less, and are more active—even playing again. I’ve even started giving it to my dogs and noticed their coats are shinier and softer, too. This oil has worked wonders and I recommend it to anyone with pets. Just be sure to adjust the dosage for each pet."

"After using this oil for just a few weeks, my cat's skin became healthier, her fur started growing back, and even her dandruff improved. I also noticed less shedding this winter. The product has been exactly what my cat needed and even seemed to help my other cat’s inflamed gums. Mixing it into wet food worked well, though the bottle can leak a bit with the dropper."

"My senior cats, who had lost fur and struggled with arthritis and kidney issues, have shown remarkable improvement since I started using this oil. Their fur is soft, they shed less, and they’re much more energetic. Even my dogs are benefiting from it. It’s easy to dose and saves money if you have multiple pets. I highly recommend it for anyone looking to boost their pets’ health."

"I was amazed at how quickly my cats’ coats turned shiny and soft after starting this product. Even our new kittens with dull fur showed a huge difference in just a few weeks. It’s great value and lasts a long time when kept in the fridge. This oil has become a staple for my pets’ health."

"I've come back to this fish oil after trying a different brand, and I'm noticing my dogs’ coats are getting softer and shedding less. They really like the capsules, and the size is just right for dogs around 15-20 pounds. I’m very pleased with the results so far."

"When I started giving this to my rescue puppy with skin issues, I saw a big improvement in his skin and coat. I was able to stop using prescription medication, and now I just give this supplement with his meals. It's been an affordable and effective solution for us."

"This supplement has made a remarkable difference in my dog's coat—it’s shinier and much softer. Even my picky eater enjoys taking these, and I love that it’s so easy to use as a treat during potty training."

"I've found that this fish oil supplement makes my dog's coat noticeably shinier and has helped reduce her dandruff. It's easy to use, although the packaging could be improved. Overall, I'm pleased with the results."

"My Yorkie absolutely loves this product! I just squeeze the capsule onto her food and she can't wait to eat. No stomach upset or acid reflux at all, unlike other fish oils we've tried. Came highly recommended by our vet, so I feel good about using it."

"This supplement is a great addition for small dogs, especially those recovering from health issues like heartworms. I noticed softer, shinier fur and feel better knowing it supports her heart and overall health. The Omega 3 boost is ideal, though it's a bit pricier than human options."

"After three weeks of using this supplement with my 10-year-old cat, her dandruff completely disappeared and her coat became incredibly shiny, soft, and fluffy. Although she won’t eat the treats on their own, I just crush and mix them into her food without any issues. I’m amazed at the difference in her skin and fur."

"My typically picky cat eats these treats with zero hesitation, which is rare for him. Within a couple of weeks, his fur turned silky smooth and glossy. They’re easy to break apart, don’t have an overpowering smell, and my cat treats them like snacks. I’m thrilled with the visible improvement in his skin and coat."

"I tried these with three of my five cats. Two of them ate the treats eagerly, and I appreciate the added vitamins and Omega-3s. However, the treats are quite big and sometimes crumble when broken apart. Despite a few minor design issues, I’ll keep buying them for the health benefits."

"I was truly impressed that all my cats devoured their food as soon as I added this fish oil—even the picky ones! I also appreciate that it comes with both a pump and a squeezer top, and I love that it's made from sustainable menhaden, not salmon. The fact that it's wild-caught and processed in the USA by a small business makes me confident and happy to support this product. I’ll definitely be buying it again!"

"It's very simple to dispense and the instructions are clear. But most importantly, my cats absolutely love it. Thank you for making such a great product!"

"Unfortunately, my cats didn’t like it at all. They just left the food untouched and even refused their treats if I tried to mix this in. I'm still trying to find a way to get them interested, but so far, it hasn't worked for my crew."

"My vet suggested this for my cat's over-scratching, and I’m happy to say it really helped. Their skin looks much healthier, and the scratching stopped. Super easy to use—I just add a few drops to their food, and they eat it with no fuss!"

"My male cat's flaky skin was getting worse every winter, but after using this supplement for two months, all the flaking disappeared. I noticed an improvement within a week! His fur is softer, shinier, and he sheds less now. This is a daily must-have for him moving forward."

"I started giving this to my older short-haired cat for her dry skin. Her coat is now shinier and softer, and she doesn’t mind it in her food. There was a bit of oil leakage when it arrived, but overall, it’s been great for her health."

"I've noticed a remarkable improvement in my pets' fur and overall comfort since starting this salmon oil. My dog and senior cats both enjoy it, and the supplement is very easy to mix into their meals. The lack of an overpowering smell is a huge plus. It's a simple product that really makes a difference for their skin, coats, and joint health."

"I use this oil for my dog every day, and I love how convenient the pump is. It blends into food without a strong odor, and my dog finishes his meals quickly! I've seen a noticeable shine in his coat and appreciate the heart and skin benefits from the omega-3s."

"Following my vet's advice, I began adding this to my older cat's food. The easy-to-measure pump and visible orange oil make it simple to use. My cat eats her food as usual, so it's been easy to introduce this supplement for her joint and immune support."