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.

Felisyl L Lysine Gel For Cats And Kittens 5oz Immune

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🐾 Keep your cat thriving with every lick—because healthy cats are happy cats!

PICKY EATER APPROVED - Smooth, tasty salmon-flavored gel that cats love—no more pill battles or stress.
BREATHE SEE CLEARLY - Reduces sneezing, runny nose, and watery eyes for optimal respiratory and eye comfort.
VET FORMULATED TRUSTED - Created by veterinarians for safe daily use in kittens, adults, and seniors with proven results.
IMMUNE DEFENSE POWERHOUSE - Supports cats’ natural immunity with a potent 1000mg L-Lysine dose to keep flare-ups at bay.
PREMIUM QUALITY ASSURANCE - Manufactured in the USA under strict NASC standards for purity and safety you can count on.

Felisyl L-Lysine Gel is a vet-formulated, salmon-flavored daily supplement delivering 1000mg of L-Lysine to support immune, respiratory, and eye health in cats and kittens. Made in the USA under NASC-certified standards, it reduces symptoms like sneezing and watery eyes while being easy to administer—even for picky eaters.

Specifications

ASIN	B00MO9SHBE
Active Ingredients	L-Lysine Monohydrochloride
Allergen Information	Codfish Free
Best Sellers Rank	#2,044 in Pet Supplies ( See Top 100 in Pet Supplies ) #9 in Cat Supplements & Vitamins
Brand	Felisyl
Brand Name	Felisyl
Customer Reviews	4.4 out of 5 stars 2,216 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	1.00 Count
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.

How long does delivery take and is it reliable?+

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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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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.

R656

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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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)

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Details

Description

Specifications

Common Questions