--- product_id: 49522471 title: "Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack)" brand: "felisyl" price: "VT8125" currency: VUV in_stock: true reviews_count: 8 category: "Felisyl" url: https://www.desertcart.vu/products/49522471-felisyl-l-lysine-gel-for-cats-and-kittens-5oz-immune store_origin: VU region: Vanuatu --- # Salmon-flavored gel for easy dosing 1000mg L-Lysine Monohydrochloride NASC-certified, made in USA quality Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack) **Brand:** felisyl **Price:** VT8125 **Availability:** ✅ In Stock ## Summary > 🐾 Keep your cat’s health purrfectly on point with Felisyl! ## Quick Answers - **What is this?** Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack) by felisyl - **How much does it cost?** VT8125 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/49522471-felisyl-l-lysine-gel-for-cats-and-kittens-5oz-immune) ## Best For - felisyl enthusiasts ## Why This Product - Trusted felisyl brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Picky Eater Approved:** Smooth, tasty salmon-flavored gel cats love—no more pill battles or stress. - • **Breathe & See Clearly:** Reduces sneezing, runny nose, and watery eyes for optimal respiratory and eye comfort. - • **Quality You Can Count On:** Manufactured under strict NASC standards in the USA for purity, safety, and consistency. - • **Vet-Formulated & Trusted:** Created by veterinarians for safe, daily use in kittens through seniors with proven results. - • **Immune Boosting Powerhouse:** Premium L-Lysine supports strong immunity and healthy antibody levels to keep your cat thriving. ## Overview Felisyl L-Lysine Gel is a vet-formulated, NASC-certified daily supplement delivering 1000mg of L-Lysine in a tasty salmon-flavored gel. Designed to support immune function, ease respiratory symptoms, and promote eye health in cats and kittens, it offers a stress-free dosing experience and is proudly made in the USA. ## Description Felisyl L-lysine Immune System Support Gel is a product designed to support the immune system of cats. L-lysine is an essential amino acid that plays a crucial role in various biological functions, including immune system function. L-lysine is known to inhibit the replication of the feline herpesvirus, which is a common viral infection in cats that can cause respiratory and eye symptoms. Felisyl L-lysine Immune System Support Gel is a product designed to support the immune system of cats. L-lysine is an essential amino acid that plays a crucial role in various biological functions, including immune system function. L-lysine is known to inhibit the replication of the feline herpesvirus, which is a common viral infection in cats that can cause respiratory and eye symptoms. Immune System Support for Cats Visit the Store Immune System Support for Cats Visit the Store Quality You Can Trust The seal is an indicator that the product was made by a reputable company that is committed to transparency & ethical practices. Quality You Can Trust The seal is an indicator that the product was made by a reputable company that is committed to transparency & ethical practices. ## Features - Immune System Support with L-Lysine – Powered by premium L-Lysine for cats, an essential amino acid that supports immune function and helps maintain healthy antibody levels. Ideal for cats and kittens prone to feline herpes virus (FHV-1) flare-ups, seasonal stress, or general immune challenges. - Respiratory & Eye Health Relief – Helps ease cat sneezing, runny nose, congestion, and watery eyes associated with common upper respiratory issues in cats. Supports clear breathing, eye comfort, and overall wellness—perfect for cats needing gentle respiratory support or allergy relief. - Tasty, Easy-to-Give Lysine Gel for Cats – A smooth, salmon-flavored lysine gel for cats that most cats lick up willingly. No more pill struggles—just place the gel on your cat’s paw, nose, or dish for effortless daily dosing. Great for picky eaters and kittens. - Vet-Formulated & Recommended – Created by veterinarians to deliver targeted immune, respiratory, and eye health support in a highly bioavailable L-Lysine gel for cats. Safe for daily use in kittens, adults, and senior cats. Trusted by pet parents and designed for real results. - NASC Certified Quality – Made in the USA – Manufactured under rigorous NASC standards for purity and safety. This high-quality cat lysine gel is proudly made in the USA, ensuring consistency and peace of mind with every dose. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00MO9SHBE | | Active Ingredients | L-Lysine Monohydrochloride | | Allergen Information | Codfish Free | | Best Sellers Rank | #2,496 in Pet Supplies ( See Top 100 in Pet Supplies ) #11 in Cat Supplements & Vitamins | | Brand | Felisyl | | Brand Name | Felisyl | | Customer Reviews | 4.4 out of 5 stars 2,103 Reviews | | Flavor | Gel (5 oz.) | | Global Trade Identification Number | 00814087006547 | | Included Components | 1 | | Item Form | Gel | | Item Type Name | Felisyl L-Lysine Gel for Cats - Immune System Support - Supplement Support for Healthy Tissue, Respiratory, and Vision - Salmon-Flavored - Made in the USA - 5 oz | | Item Volume | 5 Fluid Ounces | | Manufacturer | Pet Health Solutions / HealthyPets, Inc. / Sogeval | | Manufacturer Part Number | FEL6547 | | Model Number | FEL6547 | | Number of Items | 1 | | Pet Type | Cat | | Product Benefits | Aids Respiratory & Eye Health - Helps reduce the frequency and severity of respiratory discomfort, sneezing, runny nose, and watery eyes associated with environmental stressors., Eases Upper Respiratory Symptoms - Promotes normal respiratory tract function, making it ideal for cats prone to congestion, nasal discharge, or seasonal flare-ups., Helps Manage Stress-Related Flares - Supports a healthy immune response during stressful events like boarding, vet visits, moving, or changes in routine., High-Palatability Salmon Flavor - Smooth and tasty gel makes daily dosing easy—great for picky eaters who dislike powders or chews., Ideal for Kittens & Adult Cats - Safe and gentle enough for kittens while providing effective daily support for adult and senior cats., Supports Strong Immune Function - Delivers a daily dose of L-Lysine, an essential amino acid that helps maintain normal immune defenses and keep cats healthier year-round. Product Benefits Aids Respiratory & Eye Health - Helps reduce the frequency and severity of respiratory discomfort, sneezing, runny nose, and watery eyes associated with environmental stressors., Eases Upper Respiratory Symptoms - Promotes normal respiratory tract function, making it ideal for cats prone to congestion, nasal discharge, or seasonal flare-ups., Helps Manage Stress-Related Flares - Supports a healthy immune response during stressful events like boarding, vet visits, moving, or changes in routine., High-Palatability Salmon Flavor - Smooth and tasty gel makes daily dosing easy—great for picky eaters who dislike powders or chews., Ideal for Kittens & Adult Cats - Safe and gentle enough for kittens while providing effective daily support for adult and senior cats., Supports Strong Immune Function - Delivers a daily dose of L-Lysine, an essential amino acid that helps maintain normal immune defenses and keep cats healthier year-round. See more | | Specific Uses For Product | Active | | Target Species | Cat | | UPC | 814087006547 | | Unit Count | 1 Count | | Vitamins And Minerals | 1000 Milligrams | | Volume | 5 Fluid Ounces | | Warranty Description | 1 Month | ## Product Details - **Active Ingredients:** L-Lysine Monohydrochloride - **Brand:** Felisyl - **Flavor:** Gel (5 oz.) - **Item Form:** Gel ## Images ![Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack) - Image 1](https://m.media-amazon.com/images/I/61B+fxs0M+L.jpg) ![Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack) - Image 2](https://m.media-amazon.com/images/I/71BFax6e6YL.jpg) ![Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack) - Image 3](https://m.media-amazon.com/images/I/712QUdjt9zL.jpg) ![Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack) - Image 4](https://m.media-amazon.com/images/I/71DIKuT0rQL.jpg) ![Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack) - Image 5](https://m.media-amazon.com/images/I/810SVO3WONL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by K***E on January 5, 2026* ### ⭐⭐⭐⭐⭐ Review *by D***A on March 16, 2026* ### ⭐⭐⭐⭐⭐ Review *by M***A on January 2, 2026* ## Frequently Bought Together - Felisyl L-Lysine Gel for Cats (5oz) – Supports Immune, Respiratory, and Eye Health. Eases Sneezing, Runny Nose, and Watery Eyes. Tasty Salmon Flavor - Made in The USA - HomeoPet Feline Nose Relief, Safe and Natural Nasal and Sinus Supplement for Cats, 15 Milliliters - VAZULI Pet Eye Health Ointment for Dogs, Cats, Cattle, Sheep, Horses, Birds and Puppies, Kittens 1/8 oz /3.5gr - 1 Tube --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/49522471-felisyl-l-lysine-gel-for-cats-and-kittens-5oz-immune](https://www.desertcart.vu/products/49522471-felisyl-l-lysine-gel-for-cats-and-kittens-5oz-immune) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-07*