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Felo Lysine Powder

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Product Overview

How To Use

What’s in it?


Questions & Answers

Product Description

Felo Lysine Powder is a supplement that helps treat Feline Herpes Virus and the associated ocular and respiratory symptoms. This water-soluble powder also provides general support to the immune system.

Who is Felo Lysine Powder for?

For use in cats.

Why use Felo Lysine Powder?

Features of Felo Lysine Powder:
  • Contains free radical-eradicating antioxidants
  • Aids in the treatment of symptoms of FHV (Feline Herpes Virus)
  • Provides support for the respiratory and immune system
  • Promotes eye health and normal function

How does Felo Lysine Powder work?

L-Lysine is an essential and beneficial amino acid that works to ensure calcium absorption. This helps cartilage and collagen production, along with repair of the connective tissue. It also supports immune deficiencies.


Thomas Labs

Active ingredient(s):

Active Ingredients per teaspoon (5 g):
L-Lysine Hydrochloride……………...300 mg
Dimethylglycine (DMG)...............20 mg

How is Felo Lysine Powder sold?

12 oz or 2.2 lb containers

What are the side effects of Felo Lysine Powder?

No known side effects

What special precautions are there?

  • If your pet's condition worsens or fails to improve, withdraw use and notify your veterinarian.
  • Safety has not been demonstrated for use in breeding or pregnant animals.
  • Keep out of reach of animals and children.
  • Only for use in cats.

What to do if overdose?

Contact your closest emergency pet hospital.

How can I store Felo Lysine Powder?

Store in a dry and cool environment.


Directions for Use: 
Administer 1 teaspoon to cats 6 months of age or older. For kittens under 6 months, administer 1/16 teaspoon orally, twice a day. Can be given during or after mealtime.

Main Ingredients

Active Ingredients per teaspoon (5 g): 
L-Lysine Hydrochloride……………...300 mg
Dimethylglycine (DMG)...............20 mg

Inactive Ingredients: Maltodextrin

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Felo Lysine Powder

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