--- product_id: 19255711 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 (6 Pack)" brand: "felisyl" price: "€ 226.08" currency: EUR in_stock: true category: "Felisyl" url: https://www.desertcart.hr/products/19255711-felisyl-l-lysine-gel-for-cats-and-kittens-5oz-immune store_origin: HR region: Croatia --- # Salmon-flavored gel for easy dosing 1000mg L-Lysine per serving Made in USA, NASC certified 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 (6 Pack) **Brand:** felisyl **Price:** € 226.08 **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 (6 Pack) by felisyl - **How much does it cost?** € 226.08 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/19255711-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 ensures hassle-free daily dosing without the pill fight. - • **Breathe & See Clearly:** Reduces sneezing, runny nose, and watery eyes for optimal respiratory and eye comfort. - • **Quality You Can Count On:** NASC certified and proudly made in the USA for purity, safety, and consistent results. - • **Vet-Formulated & Trusted:** Created by veterinarians for safe, effective support from kittenhood to senior years. - • **Immune Boosting Powerhouse:** Premium L-Lysine supports robust immune defenses to keep your cat thriving year-round. ## Overview Felisyl L-Lysine Gel is a vet-formulated, salmon-flavored daily supplement delivering 1000mg of L-Lysine per serving to support cats’ immune, respiratory, and eye health. Made in the USA under NASC-certified standards, it reduces symptoms like sneezing and watery eyes, making it ideal for cats prone to herpes flare-ups or seasonal stress. Easy to administer and safe for all life stages, Felisyl ensures your feline friend stays vibrant and comfortable every day. ## Description Buy 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 (6 Pack): L-Lysine - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## 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 | B014KUW346 | | Active Ingredients | L-Lysine Monohydrochloride | | Allergen Information | Codfish Free | | Best Sellers Rank | #43,470 in Health & Household ( See Top 100 in Health & Household ) #53 in L-Lysine Nutritional Supplements | | Brand | Felisyl | | Brand Name | Felisyl | | Customer Reviews | 4.7 out of 5 stars 11 Reviews | | Flavor | Gel (5 oz.) | | Included Components | Felisyl | | Item Form | Gel | | Item Weight | 5 Ounces | | Manufacturer | Pet Health Solutions / HealthyPets, Inc. / Sogeval | | Manufacturer Part Number | Felisyl | | Model Number | Felisyl | | 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 | | Unit Count | 1.00 Count | | Warranty Description | 2 Years | ## Product Details - **Active Ingredients:** L-Lysine Monohydrochloride - **Brand:** Felisyl - **Flavor:** Gel (5 oz.) - **Item Form:** Gel - **Item Weight:** 5 Ounces ## 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 (6 Pack) - Image 1](https://m.media-amazon.com/images/I/81VcggU72CL.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 (6 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 (6 Pack) - Image 3](https://m.media-amazon.com/images/I/61MoRiEFVrL.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 (6 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 (6 Pack) - Image 5](https://m.media-amazon.com/images/I/71ZH45J0JwL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What if my cat is a picky eater?** A: Felisyl features a palatable salmon-flavored gel many cats enjoy, making daily supplementation easier for picky cats and sensitive eaters. **Q: How is Felisyl different from other L-Lysine products?** A: Veterinarian-formulated in the USA with premium pharmaceutical-grade L-Lysine and a salmon flavor cats actually enjoy. **Q: Will this upset my cat’s stomach?** A: The smooth gel format is designed for easy daily administration and gentle routine use. **Q: Is Felisyl safe for kittens and adult cats?** A: Felisyl is suitable for cats of all ages when used as directed. Many cat parents use it for both kittens and adult cats needing immune or respiratory wellness support. **Q: Is this only for sick cats?** A: No - many cat owners use Felisyl as part of a daily wellness routine to support immune, respiratory, and eye health. --- ## 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.hr/products/19255711-felisyl-l-lysine-gel-for-cats-and-kittens-5oz-immune](https://www.desertcart.hr/products/19255711-felisyl-l-lysine-gel-for-cats-and-kittens-5oz-immune) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-15*