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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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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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)

Product ID: 49522471

Details

Active Ingredients
L-Lysine
Brand
Felisyl
Flavor
Gel (5 oz.)
Item Form
Gel

🐟Salmon-flavored gel for easy dosing

🧬1000mg L-Lysine for immune boost

🇺🇸NASC-certified, made in USA quality

€ 39.04

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

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Description

🐾 Keep your cat’s health purrfectly on point with Felisyl!

PICKY EATER APPROVED - Smooth, tasty salmon-flavored gel cats love—no pills, no hassle, just effortless daily care.
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, ensuring purity, safety, and consistent results.
VET FORMULATED TRUSTED - Created by veterinarians for safe, effective daily use across all life stages, from kittens to seniors.
IMMUNE DEFENSE POWERHOUSE - Premium L-Lysine supports strong immunity and healthy antibody levels to keep your cat thriving.

Felisyl L-Lysine Gel is a vet-formulated, salmon-flavored daily supplement delivering 1000mg of L-Lysine to support cats’ immune, respiratory, and eye health. Designed for easy administration, it helps reduce symptoms like sneezing and watery eyes, making it ideal for cats prone to feline herpes virus flare-ups or seasonal stress. Proudly made in the USA under NASC-certified quality standards, Felisyl ensures safe, effective care for cats and kittens of all ages.

Specifications

ASIN	B00MO9SHBE
ASIN	B00MO9SHBE
Active Ingredients	L-Lysine Monohydrochloride
Allergen Information	Codfish Free
Best Sellers Rank	#2,491 in Pet Supplies ( See Top 100 in Pet Supplies ) #12 in Cat Supplements & Vitamins
Brand Name	Felisyl
Customer Reviews	4.4 4.4 out of 5 stars (2,285)
Date First Available	December 15, 2013
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 model number	FEL6547
Manufacturer	Pet Health Solutions / HealthyPets, Inc. / Sogeval
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…
Product Dimensions	8 x 3 x 2 inches; 0.63 ounces
Specific Uses For Product	Active
Target Species	Cat
UPC	814087006547
Unit Count	5 Fluid Ounces
Vitamins And Minerals	1000 milligrams
Volume	5 fluid ounces
Warranty Description	1 Month

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 39.04

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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