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L-Lysine Powder for Cats – Immune & Respiratory Support

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Brand: Artullano

Product description

Give your cat the immune support they need to breathe easy and stay healthy. Our L-Lysine Powder for Cats delivers a pure, essential amino acid supplement that supports your cat's immune system, helps manage upper respiratory symptoms, and promotes overall vitality — in a convenient powder that mixes effortlessly into their food.

Key Benefits

  • Immune System Strengthening: L-Lysine is an essential amino acid that plays a critical role in supporting a strong, healthy immune response — helping your cat's body fight off infections and stay resilient year-round.
  • Upper Respiratory Support: Widely recommended by vets for cats prone to upper respiratory infections, sneezing, nasal discharge, and eye irritation — L-Lysine helps manage and reduce the frequency and severity of these symptoms.
  • Feline Herpesvirus (FHV-1) Management: L-Lysine is the go-to supplement for cats with feline herpesvirus, helping to suppress viral replication and reduce flare-ups of respiratory and eye symptoms associated with FHV-1.
  • Eye Health Support: Helps reduce eye discharge, watering, and conjunctivitis symptoms commonly associated with feline upper respiratory conditions — keeping your cat's eyes clearer and more comfortable.
  • Pure Essential Amino Acid: L-Lysine is an essential amino acid that cats cannot produce on their own — daily supplementation ensures your cat gets the consistent support their immune system needs.
  • Convenient Powder Format: Easy to mix into wet or dry food — tasteless and odorless, so even the pickiest cats won't notice it in their meal.
  • All Breeds & Life Stages: Safe and effective for cats of all breeds, sizes, and ages — from kittens building their immune systems to senior cats needing ongoing respiratory support.

How to Use

Mix the recommended amount of L-Lysine powder into your cat's food daily based on their weight. Can be added to wet food, dry kibble, or mixed with a small amount of water. For best results, use consistently as part of your cat's daily wellness routine. Consult your vet if your cat has existing health conditions.

Specifications

  • Brand: Artullano
  • Item Form: Powder
  • Target Species: Cat
  • Key Ingredient: L-Lysine (Essential Amino Acid)
  • Best For: Immune Support, Respiratory Health, FHV-1 Management, Eye Health
  • Age Range: All Life Stages
  • Available Ship to: United States
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L-Lysine Powder for Cats – Immune & Respiratory Support

MEET OUR RESIDENT VET!

Amanda Smith — veterinary expert

The Chameleon has a resident veterinarian, Adam Smith. He supports animal charities and shares his knowledge of pet care. As a full-time veterinarian, Adam knows what cats need to be healthy.

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Everything You Need to Know

Frequently Asked Questions About Our L-Lysine Powder for Cats

L-Lysine is an essential amino acid that cats cannot produce on their own — it must come from their diet. It plays a key role in supporting the immune system, promoting healthy tissue repair, and is particularly well-known for helping manage Feline Herpesvirus (FHV-1), one of the most common causes of upper respiratory infections in cats.
Yes — L-Lysine is widely used by vets to help manage the symptoms associated with Feline Herpesvirus, including sneezing, nasal discharge, and watery or irritated eyes. While it doesn't cure the virus, consistent daily supplementation can help reduce the frequency and severity of flare-ups and support your cat's natural defences.
It couldn't be easier — just mix the recommended daily amount directly into your cat's wet food, dry kibble, or water. The powder blends seamlessly and is virtually tasteless, so even fussy cats are unlikely to notice it. Consistent daily use gives the best long-term results.
Absolutely. Our L-Lysine Powder is safe for cats of all breeds, sizes, and life stages — from young kittens building their immune systems to older cats who need ongoing respiratory and immune support. It's made from pure L-Lysine with no artificial additives or fillers.
Many cat owners report seeing improvements in respiratory symptoms and overall vitality within 2–4 weeks of consistent daily use. For cats with FHV-1, long-term supplementation is recommended to help keep flare-ups at bay and maintain a stronger immune response over time.
Why Cat Owners Trust Us

Results That Speak for Themselves

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Immune Support

96% of cats showed stronger immune response with daily use

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Pure Ingredients

100% pure L-Lysine, no fillers or additives

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Owner Satisfaction

97% of cat owners noticed visible improvement

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All Cats Suitable

Safe for 100% of breeds & life stages

What your pets need, when they need it 😺

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