---
product_id: 49522931
title: "Felisyl L-lysine Immune System Support for Cats, 3.5-oz jar"
brand: "felisyl"
price: "₱2702"
currency: PHP
in_stock: true
category: "Misc."
url: https://www.desertcart.ph/products/49522931-felisyl-l-lysine-immune-system-support-for-cats-3-5
store_origin: PH
region: Philippines
---

# Felisyl L-lysine Immune System Support for Cats, 3.5-oz jar

**Brand:** felisyl
**Price:** ₱2702
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Felisyl L-lysine Immune System Support for Cats, 3.5-oz jar by felisyl
- **How much does it cost?** ₱2702 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/49522931-felisyl-l-lysine-immune-system-support-for-cats-3-5)

## Best For

- felisyl enthusiasts

## Why This Product

- Trusted felisyl brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Felisyl® is a supplement that contains the amino acid L-Lysine for use in cats and kittens for conditions responsive to L-Lysine. L-Lysine is an essential amino acid, which means that your cat's body needs it, but can't produce it, so this supplement is a perfect choice to provide that necessity. L-Lysine HCL Immune System Support for Cats helps keep your cat healthy by supporting the immune system naturally so that it can function normally and produce antibodies. Felisyl L-Lysine HCL Immune System Support for Cats also helps maintain healthy tissue, supports respiratory health, and may even help with your cat's vision. The L-Lysine is in a palatable poultry and fish flavored base making these granules easy to give to your cat, just sprinkle over or mix with food.

## Features

- Helps keep your cat healthy by supporting the immune system naturally
- Made in the USA
- Just sprinkle over or mix in with food - delicious chicken and fish flavor mix
- Also helps maintain healthy tissue, supports respiratory health, and may even help with your cat's vision
- L-Lysine has been proven to reduce the severity &amp; duration of feline herpes virus

## Images

![Felisyl L-lysine Immune System Support for Cats, 3.5-oz jar - Image 1](https://images-na.ssl-images-amazon.com/images/I/416O428%2BfHL.jpg)
![Felisyl L-lysine Immune System Support for Cats, 3.5-oz jar - Image 2](https://images-na.ssl-images-amazon.com/images/I/41PSfBNnwXL.jpg)
![Felisyl L-lysine Immune System Support for Cats, 3.5-oz jar - Image 3](https://images-na.ssl-images-amazon.com/images/I/41CKqMP66ZL.jpg)
![Felisyl L-lysine Immune System Support for Cats, 3.5-oz jar - Image 4](https://images-na.ssl-images-amazon.com/images/I/21B-JfVKdrL.jpg)

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**Shop now:** [https://www.desertcart.ph/products/49522931-felisyl-l-lysine-immune-system-support-for-cats-3-5](https://www.desertcart.ph/products/49522931-felisyl-l-lysine-immune-system-support-for-cats-3-5)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-02-07*