--- product_id: 645424510 title: "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" brand: "felisyl" price: "1781717₫" currency: VND in_stock: true category: "Felisyl" url: https://www.desertcart.vn/products/645424510-felisyl-l-lysine-gel-for-cats-immune-system-support-supplement store_origin: VN region: Vietnam --- # Salmon-flavored for easy acceptance 1000mg L-Lysine per serving NASC certified, made in USA 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 **Brand:** felisyl **Price:** 1781717₫ **Availability:** ✅ In Stock ## Summary > 🐾 Elevate your cat’s health game with every lick! ## Quick Answers - **What is this?** 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 by felisyl - **How much does it cost?** 1781717₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/645424510-felisyl-l-lysine-gel-for-cats-immune-system-support-supplement) ## 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, salmon-flavored gel ensures hassle-free daily dosing without pill battles. - • **Breathe & See Clearly:** Targets respiratory relief and eye comfort to keep your cat active and playful. - • **Immune Boosting Power:** Premium L-Lysine supports robust immune defenses against FHV-1 flare-ups and seasonal stress. - • **Quality You Can Count On:** Manufactured under strict NASC standards in the USA for purity and safety. - • **Vet-Formulated & Trusted:** Created by veterinarians for safe, effective use across all cat life stages. ## Overview Felisyl L-Lysine Gel is a vet-formulated, salmon-flavored supplement delivering 1000mg of essential L-Lysine per serving to support your cat’s immune system, respiratory health, and eye comfort. Made in the USA under NASC-certified standards, this easy-to-administer gel is designed for cats of all ages, helping them stay resilient against common feline health challenges. ## Description Unlock the secret to your cat's vitality with Felisyl L-Lysine Gel. Specially formulated to enhance your feline friend's immune health and respiratory function, this premium cat supplement offers the key benefits your pet deserves. Our gel is meticulously crafted with the power of L-Lysine, an essential amino acid that supports your cat's overall well-being. With Felisyl L-Lysine Gel, you're providing more than just a supplement; you're offering the gift of robust health. Watch as your cat's immune system thrives, making them more resilient to common challenges. Breathing becomes easier as respiratory function is optimized, letting your cat enjoy every moment to the fullest. Ensure your beloved companion's longevity and well-being with our expertly formulated gel. Whether you have a young and energetic kitten or a wise and mature cat, the benefits of Felisyl L-Lysine Gel span all life stages. It's the secret ingredient to keeping your feline friend feeling their best, no matter their age. Elevate your cat's life with Felisyl L-Lysine Gel – the ultimate way to show your care and commitment. Embrace a future of shared adventures, endless cuddles, and vibrant well-being. Your cat deserves the best, and Felisyl is here to provide it. ## 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 | #24,794 in Pet Supplies ( See Top 100 in Pet Supplies ) #566 in Cat Health Supplies | | Brand Name | Felisyl | | Customer Reviews | 4.4 4.4 out of 5 stars (2,063) | | 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 | | Manufacturer | Pet Health Solutions / HealthyPets, Inc. Pet Health Solutions - Cardiomax - HealthyPets Inc | | Manufacturer Part Number | FEL6547 | | Model Number | FEL6547 | | Number of Items | 1 | | Pet Type | Cat | | Product Benefits | Enhanced Immune System: Felisyl L-Lysine Gel contains essential L-Lysine, which supports and boosts your cat's immune system. A strong immune system helps keep your cat healthier and more resistant to common feline illnesses. | | Specific Uses For Product | Active | | Target Species | Cat | | UPC | 814087006547 | | Unit Count | 1 Count | | Volume | 5 Fluid Ounces | ## Product Details - **Active Ingredients:** L-Lysine Monohydrochloride - **Brand:** Felisyl - **Flavour:** Gel (5 oz.) - **Item form:** Gel ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/71pQ7a6ZuAL.jpg) ![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 - Image 2](https://m.media-amazon.com/images/I/71BFax6e6YL.jpg) ![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 - Image 3](https://m.media-amazon.com/images/I/712QUdjt9zL.jpg) ![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 - Image 4](https://m.media-amazon.com/images/I/71DIKuT0rQL.jpg) ![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 - Image 5](https://m.media-amazon.com/images/I/815ukshMYPL.jpg) ## 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. ## 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.vn/products/645424510-felisyl-l-lysine-gel-for-cats-immune-system-support-supplement](https://www.desertcart.vn/products/645424510-felisyl-l-lysine-gel-for-cats-immune-system-support-supplement) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-03*