Hero image 0 of Felisyl L-Lysine Gel for Cats – Boost Immunity & Support Healthy Tissue, Vision & Respiration - Salmon Flavor, Made in the USA - 5 oz, 0 of 7
Felisyl L-Lysine Gel for Cats – Boost Immunity & Support Healthy Tissue, Vision & Respiration - Salmon Flavor, Made in the USA - 5 oz
Key item features
- Immune System Support – Packed with L-Lysine (an essential amino acid) to bolster your cat’s immune defenses. A stronger immune system helps keep your kitty healthier and more resistant to common feline illnesses, giving them the best chance at a long, happy life.
- Respiratory & Eye Health – Formulated to support clear breathing and overall wellness in cats. Felisyl’s immune-boosting action helps ease sneezing, runny nose, and watery eyes associated with common respiratory issues, so your cat can breathe easy and stay comfortable every day.
- Tasty, Easy-to-Give Gel – Highly palatable salmon-flavored gel that cats love, making supplement time feel like a treat. No more struggles with pills – simply place the gel on your cat’s paw or nose and they’ll lick it off willingly, ensuring stress-free daily dosing.
- Vet-Formulated & Trusted – Developed by veterinarians for optimal feline health benefits. Felisyl is also vet-recommended, trusted by vets for its proven benefits and positive impact on cats’ lives. Pet parents can feel confident knowing this immune support gel is backed by experts and real results.
- NASC Certified Quality, – Manufactured to the highest quality and safety standards set by the National Animal Supplement Council. Felisyl carries the NASC Quality Seal and is proudly , so you can trust you’re giving your cat a safe, premium-grade supplement for their well-being.
Specs
- Animal typeCat
- Animal supplement & vitamin typeDietary Supplement
- FlavorMaple
- FeaturesChewable
- Rec. useVeterinary
- Size5 oz
Current price is USD$18.993.7 ¢/ea
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Sold by HealthyPets
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4.391304347826087 stars out of 5, based on 23 seller reviews(4.4)23 seller reviews
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About this item
Product details
Immune Health Boost: Empower your cat's immune system to fend off threats and maintain peak health. By strengthening their natural defenses, you're investing in their long and joyful life. Enhanced Respiratory Function: Breathe easy knowing your cat's respiratory system is supported for optimal well-being. Whether they're exploring indoors or embracing outdoor adventures, healthy breathing is vital. Essential Amino Acid: L-Lysine, a crucial building block, ensures your cat's vitality from the inside out. It's the cornerstone of their well-being, promoting overall health and resilience. Easy-to-Administer Gel: Hassle-free application that your cat won't resist, making wellness routines a breeze. No more struggle or stress during supplementation – just a happy and contented feline friend. Premium Quality: Crafted with care, our gel is a testament to the highest standards of quality and efficacy. Your cat deserves nothing but the best, and Felisyl L-Lysine Gel delivers just that. Vet-Recommended Formula: Trusted by veterinarians for its proven benefits and positive impact on cats' lives. When you choose Felisyl, you're choosing a formula endorsed by those who prioritize feline health. Happy and Healthy Cats: Witness the transformation as your beloved feline friend experiences newfound energy and joy. A healthy cat is a happy cat, and Felisyl L-Lysine Gel ensures plenty of both.
- Immune System Support – Packed with L-Lysine (an essential amino acid) to bolster your cat’s immune defenses. A stronger immune system helps keep your kitty healthier and more resistant to common feline illnesses, giving them the best chance at a long, happy life.
- Respiratory & Eye Health – Formulated to support clear breathing and overall wellness in cats. Felisyl’s immune-boosting action helps ease sneezing, runny nose, and watery eyes associated with common respiratory issues, so your cat can breathe easy and stay comfortable every day.
- Tasty, Easy-to-Give Gel – Highly palatable salmon-flavored gel that cats love, making supplement time feel like a treat. No more struggles with pills – simply place the gel on your cat’s paw or nose and they’ll lick it off willingly, ensuring stress-free daily dosing.
- Vet-Formulated & Trusted – Developed by veterinarians for optimal feline health benefits. Felisyl is also vet-recommended, trusted by vets for its proven benefits and positive impact on cats’ lives. Pet parents can feel confident knowing this immune support gel is backed by experts and real results.
- NASC Certified Quality, – Manufactured to the highest quality and safety standards set by the National Animal Supplement Council. Felisyl carries the NASC Quality Seal and is proudly , so you can trust you’re giving your cat a safe, premium-grade supplement for their well-being.
info:
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Specifications
Brand
Felisyl
Animal type
Cat
Animal supplement & vitamin type
Dietary Supplement
Animal health concern
Immune Support
Indications
Animal Health Concern
Immune Support
Directions
Dosage
5 oz
Instructions
Administer orally. Place a small amount on cat's nose to stimulate taste interest. Once interest has been established, a syringe or teaspoon may be used. Can also apply gel directly on cat's paw and allow cat to lick off. For Kittens under 6 month of age is 1/4 teasppon twice daily, For Cats 6 months or older is 1/2 teaspoon twice daily, Or use as directed by your veterinarian.
Warranty
Warranty information
N/A
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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Customer ratings & reviews
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Showing 1-3 of 20 reviews
Apr 24, 2026
Tracey
5 out of 5 stars review
Verified Purchase
cats are so smart. my mean cat that stays away has been all over me since i gave it this product. Its like they know i just have them something to help them. Checked 24 hours later, their typically wet noses have completely dried.
Helpful?7B79LFFKUGO548261899
May 16, 2026
Monique
Top Reviewer
5 out of 5 stars review
Verified Purchase
Have and elderly cat and he loves the flavor so makes it easy to give him. Notice more energy and less shedding.
Helpful?7B79LFFKUGO548261899
May 7, 2026
anonymous
5 out of 5 stars review
Verified Purchase
Cats like the taste you have to give it 2 times a day half teaspoon be patient just keep giving
Helpful?7B79LFFKUGO548261899
