• Vetoquinol Viralys Gel L-Lysine Supplement for Cats, 5oz - Cats & Kittens of All Ages - Immune Health - Sneezing, Runny Nose, Squinting, Watery Eyes - Palatable Maple Flavor Lysine Gel

    Enisyl-F and Viralysare L-lysine supplements specifically developed for cats and kittens, containing a naturally occurring amino acid. Both are manufactured according to rigorous pharmaceutical standards and can be safely administered with no known side effects for as long as required. Package may vary

    • ASIN: B00AMEBH06
    • UPC: 017030006322
    • ASIN: B00AMEBH06
    • Brand: Vetoquinol
    • Size: 5 oz
    • Manufacturer: Vétoquinol USA

  • Vetoquinol Viralys L-Lysine Supplement for Cats, 3.5oz/100g - Cats & Kittens of All Ages - Immune Health - Sneezing, Runny Nose, Squinting, Watery Eyes - Palatable Fish & Poultry Flavor Lysine Powder

    Vetoquinol Viralys Powder 100 Gram Jar are nutritional supplements containing a naturally occurring amino acid. Manufactured according to rigorous pharmaceutical standards and can be safely administered with no known side effects for as long as required.

    • ASIN: B000FULBT4
    • UPC: 827165679441
    • ASIN: B000FULBT4
    • Brand: Vetoquinol
    • Size: 100 Grams
    • Manufacturer: Vetoquinol

  • VetriScience Laboratories - Vetri Lysine Plus, 120 Bite-Sized Chews


    • ASIN: B002ALE9RM
    • UPC: 798411231150
    • ASIN: B002ALE9RM
    • Brand: VetriScience Laboratories
    • Size: 120 Count
    • Manufacturer: Vetri-Science Laboratories

  • Tomlyn Immune Support Daily L-Lysine Supplement, Fish-Flavored Lysine Powder for Cats and Kittens, 3.5oz

    Immune support L-Lysine supplement powder are vet quality supplements that support your cat's immune system, respiratory system and eye health.

    • ASIN: B00BERPOP4
    • UPC: 802677426493
    • ASIN: B00BERPOP4
    • Brand: TOMLYN
    • Size: 3.5 oz.
    • Manufacturer: Lambriar Vet

  • L-Lysine Chews for Cats, Immune and Respiratory Support Supplement, 60 Bite Sized Chews (3.74oz)


    • ASIN: B006OCG4JY
    • UPC: 707005174445
    • ASIN: B006OCG4JY
    • Brand: Pet Naturals
    • Size: 60 Count
    • Manufacturer: Pet Naturals Of Vermont

  • Vetoquinol Enisyl-F Lysine Bites: L-Lysine Treats for Cats & Kittens - Chicken Liver-Flavored Chews, 6.4oz (180g) Reclosable Bag

    It's now easier than ever to provide your cat with the l-lysine supplement he or she needs. 5 of These tasty, poultry-flavored treats contains 250mg. L-lysine treats make it simple to accurately provide the Appropriate dose of l-lysine for your cat. Enisyl-f lysine treats are a palatable source of l-lysine. Supplemental administration of l-lysine has been shown to reduce the severity and duration of feline herpes virus infections. Additionally, routine administration has been shown to reduce the incidence of flare-ups. Enisyl-f lysine treats from Vetoquinol are the perfect l-lysine supplement ... [Read More]

    • ASIN: B004U4P1RY
    • UPC: 738435103040
    • ASIN: B004U4P1RY
    • Brand: Vetoquinol
    • Size: 1-Pack
    • Manufacturer: Vetoquinol

  • Vet Worthy Lysine Paw Gel Aid for Cats (3 oz)

    Recommended to help support the immune system. This veterinarian formulated paw gel is amino acid support in an enticing salmon flavor your cat will love.

    • ASIN: B076LWZG7X
    • UPC: 842704100880
    • ASIN: B076LWZG7X
    • Brand: Vet Worthy
    • Size: 3 oz
    • Manufacturer: Vet Worthy, LLC

  • NOW Pet Health, L-Lysine Supplement, Powder, Formulated for Cats, NASC Certified, 8-Ounce

    NOW Pets L-Lysine Powder helps support a healthy immune system, normal respiratory health, and also helps to maintain ocular health. NOW Pets L-Lysine Powder is recommended by renowned veterinarian Dr. Barbara Royal, DVM, CVA, founder of the Royal Treatment Veterinary Center. For use in cats only. Perfect for multi-cat households and boarding.

    • ASIN: B016WG7UF8
    • UPC: 733739044501
    • ASIN: B016WG7UF8
    • Brand: NOW Foods
    • Size: 1 Count
    • Manufacturer: NOW Foods- Nutrition and Wellness

  • Optixcare 60 Count L-Lysine Chews for Cats & Kittens

    Optixcare L-Lysine soft chews are a nutritional supplement to help manage Feline Herpes Virus infections in cats and kittens.

    • ASIN: B00F410QHW
    • UPC: 696303000122
    • ASIN: B00F410QHW
    • Brand: OptixCare
    • Size: N/A
    • Manufacturer: optomusic

  • VetriScience Laboratories Vetri Lysine Plus, Immune Support Supplement for Cats, 120 Bite-Sized Chews Bundled (2 Pack)

    Vetri Lysine Plus is recommended to support immune system function, collagen formation, tissue repair, antioxidant activity, and antibody and lymphocyte production. The amino acid L-lysine supports hormone, antibody and enzyme production, as well as collagen formation and tissue repair. The inclusion of DMG supports methylation, providing useful methyl groups to support the production of hormones, neurotransmitters, antibodies, nucleic acids, and other metabolically active molecules. Directions & Dosage Adults: Give 1 or 2 chews, twice daily.Kittens: Give 1 chew, twice daily. Ingredients L-Lys... [Read More]

    • ASIN: B076JVDD3Y
    • ASIN: B076JVDD3Y
    • Brand: VetriScience Laboratories
    • Size: 2 Pack
    • Manufacturer: VetriScience Laboratories

  • VetriScience Laboratories - Vetri Lysine Plus, 120 Bite Sized Chews, 3 Pack

    Vetri-Lysine Plus is a highly palatable chicken liver flavored soft chew formula designed to support immune system function. Vetri-Lysine Plus features L-Lysine with DMG. L-Lysine is an amino acid that supports antibody, hormone and enzyme production. It also supports collagen formation and tissue repair. DMG is an intermediary metabolite (a substance that is rapidly broken down into other vital substances in the body) that is naturally produced by the body in small amounts. DMG provides useful building blocks including methyl groups that support the production of vitamins, hormones, neurotran... [Read More]

    • ASIN: B008P8DPW4
    • UPC: 026664175403
    • ASIN: B008P8DPW4
    • Brand: VetriScience Laboratories
    • Size: 360 Count
    • Manufacturer: Vetri-Science Laboratories

  • L Lysine for Cats Immune Viralys Support Oral Granule Powder - 500 mg per serving ( 4oz) - Cats & Kittens, Immune Health, Sneezing, Runny Nose,Squinting Palatable Fish & Poultry Flavor L Lysine Powder

    ❤️L-Lysine Powder Viralys helps support a healthy immune system, normal respiratory health, and also helps to maintain ocular health. Directions for Use: For Cats and kittens under 6 months: ................................................1/2 scoop given once daily. For Cats 6 months and older: .............................................................. 1 rounded scoop given once daily. CAUTIONS: Safe use in pregnant animals or animals intended for breeding has not been proven. If animal's condition worsens or does not improve, stop product administration and consult your veterina... [Read More]

    • ASIN: B07FDF4G96
    • UPC: 856305008063
    • ASIN: B07FDF4G96
    • Brand: Pet Health Pharma
    • Manufacturer: Pet Health Pharma

  • VetriScience Laboratories - Vetri Lysine Plus, Immune Support Supplement for Cats, 90 Bite Sized Chews

    Lysine is an essential amino acid for felines that must be ingested through food or supplements. Vetri lysine plus for cats supports respiratory health and immune system function while also building collagen for a healthy skin and coat. It also supports eye Health in growing kittens and is recommended by veterinarians for conditions that are responsive to lysine. Our lysine plus comes in a delicious chicken liver bite sized chew that your cat will love!.

    • ASIN: B01DOO1ZZ2
    • UPC: 026664005106
    • ASIN: B01DOO1ZZ2
    • Brand: VetriScience Laboratories
    • Size: 90 Count
    • Manufacturer: Vetri-Science Laboratories

  • VetriScience L-Lysine Pro for Cats - Immune System Support for Felines - 120 Small Soft Chews

    L-lysine Pro supports immune system function, eye and respiratory health. As an important component of many proteins, l-lysine supports antibody, hormone and enzyme production. It also promotes healthy growth and development by supporting the production of collagen. L-lysine and the amino acid l-arginine compete for the same receptors in the body. L-arginine is required for the replication of the herpes virus. With twice the lysine of vetri lysine plus, and the addition of dmg, l-lysine Pro offers advanced support for cats.

    • ASIN: B01MZ4KL56
    • UPC: 026664003966
    • ASIN: B01MZ4KL56
    • Brand: VetriScience
    • Size: 120
    • Manufacturer: VetriScience

  • Vetoquinol Enisyl-F Oral Paste: L-Lysine Supplement for Cats - Tuna Flavor, 3.4oz (100mL) Pump

    Enisyl-F is a new option for managing feline herpes virus. All cats are susceptible to feline herpes Virus (FHV-1).

    • ASIN: B003U2I87W
    • UPC: 884284285335
    • ASIN: B003U2I87W
    • Brand: Vetoquinol
    • Size: 100
    • Manufacturer: Vetoquinol

  • Tomlyn Immune Support L-Lysine Supplement Powder for Cats, 3.5 oz.


    • UPC: 43263904
    • Model: 433343
    • Color: L-LysineOther
    • Size: 3.5 fl oz3.5 oz
    • Rating: 5.0

  • Tomlyn Immune Support L-Lysine Chews for Cats, Smokey Fish Flavor, 30 Chews

    Tomlyn L-Lysine Immune Support Chews for Cats are delicious supplements that support a healthy immune system and normal respiratory health, helping your cat or kitten stay in peak health. These veterinarian formulated chews also help

    • UPC: 48261913
    • Model: 440093
    • Color: Black
    • Size: 2.65 fl oz2.65 oz
    • Rating: 4.471

  • Nutri-Vet L-Lysine Immune Care Soft Chews for Cats, 90 Chews

    Nutri-Vet L-Lysine soft chews are veterinary formulated to support a strong immune system in cats of all ages. Use these tasty chicken liver and cheese chews to treat your cat to better health and

    • UPC: 307901118
    • Model: 1001011
    • Size: 90 ct
    • Rating: 1.0

  • Felisyl L-lysine Gel for Cats, 5 oz

    Felisyl is a gel 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

    • UPC: 48261899
    • Model: FEL6547
    • Rating: 5.0

  • Vet’s Best Cat Hairball Relief Digestive Aid| Vet Formulated Hairball Support Remedy | Classic Chicken Flavor | 60 Chewable Tablets

    Prevent hairballs and support healthy digestion for the finickiest felines with Vet's Best Cat Hairball Relief Digestive Aid. They will love our classic chicken flavor recipe; you will love not having to clean up after

    • UPC: 25549786
    • Model: 3165810113
    • Color: Multicolor
    • Size: 60 tablets
    • Rating: 4.033

  • Vet's Best Cat Urinary Tract Supports Dog Supplements | Supports Cat a Healthy Urinary Tract | 60 Chewable Tablets

    Vet’s Best Feline Urinary Tract Support promotes a normal, healthy urinary tract function in cats. Each chewable tablet contains vet-formulated blend of key natural ingredients to support your cat’s healthy urinary tract. Give your cat

    • UPC: 26961515
    • Model: 3165810114
    • Color: Green
    • Size: 1 ct1 Pack
    • Rating: 5.0

  • Vetri-lysine Plus Soft Chews Formula to Support Immune System Function for Cats 120 Chews, Formula designed to supportimmune system function By Vetrilysine

    Vetri-Lysine Plus is a highly palatable chicken liver flavored soft chew formula designed to support immune system function. Vetri-Lysine Plus features L-Lysine with DMG. L-Lysine is an amino acid that supports antibody, hormone and enzyme

    • UPC: 447353221

  • Pet Naturals of Vermont, L-Lysine, For Cats, Chicken Liver Flavor, 250 mg, 60 Chews, 3.17 oz (pack of 1)

    Delicious Chicken Liver FlavorManufactured on the USAFor Cats of All SizesFeaturing 250 mg of L-LysineA Daily Supplement to Support Immune HealthNo

    • UPC: 168221732

  • Tomlyn Scientifics L-Lysine Health Supplement Powder for Cats, 100gm

    Immune support L-Lysine supplement powder are vet quality supplements that support your cat's immune system, respiratory system and eye health. All of our products comply with international quality standards and are greatly appreciated.If you are

    • UPC: 756518830

  • Felisyl L-lysine Immune System Support, 3.5 oz Granules

    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

    • UPC: 54371800
    • Model: FELISYL35
    • Rating: 4.667

  • Lysine - OPKO Lysinviral Plus 50ml for cats with FHV-1 (best lysine available)

    • UPC: 124018779619
    • Category: Health Care
    • Price: 28 USD

  • Lysine for Cats - Best L-lysine Powder Supplement - Human Grade All Natural

    • UPC: 233547159983
    • Category: Vitamins & Minerals
    • Price: 52 USD

  • Cat upper respiratory infection or Feline Herpes?

    L Lysine for Feline Herpes Virus - To Use or Not to Use?

    Vetoquinol Lysine Cat Supplements