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)
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Size / Model: 6 Pack
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Stock Expiry Date*: 13-07-2027
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- 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.
| Product Benefits | Sneezing, Runny Nose, Aids Respiratory & Eye Health - Helps reduce the frequency and severity of respiratory discomfort, 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. |
| Ingredients | Water, Ascorbic Acid, Lecithin, Stearic Acid, Soybean Oil, Methylparaben (preservative), Carboxymethylcellulose, cetyl alcohol, Potassium Sorbate (preservative), Sodium Benzoate (preservative), xantham gum., L-Lysine Monohydrochloride, Salmon flavor |
| Product Dimensions | 5 ounces, 1.11 x 2.1 x 7.14 inches |
| Ingredients | Lecithin, Water, Ascorbic Acid, Soybean Oil, Sodium Benzoate, Potassium Sorbate (preservative, Cetyl Alcohol, Carboxymethylcellulose, Salmon Flavor, Methylparaben, Monohydrochloride, Stvearic Acid, Xantham Gum. |
| Date First Available | 2014, December 3 |
| Brand | Felisyl |
| Flavor | Gel (5 oz.) |
| Unit Count | 1 Count |
| Item Form | Gel |
| Item Weight | 5 Ounces |
| Included Components | Felisyl |
| Manufacturer | Pet Health Solutions / HealthyPets, Inc. / Sogeval |
| Product Type | L-Lysine |
| Specific Uses For Product | Active |
| Active Ingredients | L-Lysine Monohydrochloride |
| Allergen Information | Codfish Free |
| Brand | Felisyl |
| Pet Type | Cat |
| Target Species | Cat |
| Manufacturer Part Number | Felisyl |
| Model Number | Felisyl |
| Item model number | Felisyl |
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SKU |
BRSWKZQCCYPGO3I3 |
Category |
Vitamins, Minerals & Supplements , Amino Acids , L-Lysine |
Tags |
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Ingredients
Water, L-Lysine Monohydrochloride, Stearic Acid, Soybean Oil, Cetyl Alcohol, Lecithin, Salmon flavor, Methylparaben (Preservative), Potassium Sorbate (Preservative), Sodium Benzoate (Preservative), Carboxymethylcellulose, Ascorbic Acid, Xantham Gum.
Directions
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: 1/4 teasppon twice daily, For Cats 6 months or older: 1/2 teaspoon twice daily, Or use as directed by your veterinarian. Allow 3-4 weeks for best results.
Product Dimensions
1.11 x 2.1 x 7.14 inches; 5 ounces
What if my cat is a picky eater?
Felisyl features a palatable salmon-flavored gel many cats enjoy, making daily supplementation easier for picky cats and sensitive eaters.
How is Felisyl different from other L-Lysine products?
Veterinarian-formulated in the USA with premium pharmaceutical-grade L-Lysine and a salmon flavor cats actually enjoy.
Will this upset my cat’s stomach?
The smooth gel format is designed for easy daily administration and gentle routine use.
Is Felisyl safe for kittens and adult cats?
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.
Is this only for sick cats?
No - many cat owners use Felisyl as part of a daily wellness routine to support immune, respiratory, and eye health.
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Shipping & Delivery
At Nutricity, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.
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Disclaimer
Dietary supplements are not medicines. Products sold on this website are not intended to diagnose, treat, cure, or prevent any disease. If you have a medical condition then always consult a qualified healthcare professional before use. Individual results may vary. By placing an order, you agree to comply with your country’s import regulations. We cover applicable duties and taxes where stated.
*Expiry Date Information:
Please note that the expiry date may vary from batch to batch. However, we guarantee that all products shipped to our customers have a valid shelf life and will not be expired at the time of delivery.













