Enisyl-F (L-Lysine)
Starting At $30.49

Enisyl-F (L-Lysine)


$30.49
Or save an extra 5% (up to $20) with Autoship* $28.97
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  • Usually ships the same weekday before 3pm CT.

What are Enisyl-F Lysine Bites and Enisyl-F Oral Paste for Cats?

  • Enisyl-F is formulated to support a healthy immune system in cats.
  • Enisyl-F is an easy to administer L-Lysine supplement.
  • L-Lysine may help with feline herpes virus infections by reducing the frequency and severity of outbreaks. 
  • Enisyl-F also helps support respiratory health and maintain normal eye function and health.

Why do cats use Enisyl-F?

  • Enisyl-F is an easy to administer L-Lysine supplement.

What else should I know about Enisyl-F?

  • Enisyl-F Oral Paste has a tuna flavor.
  • Enisyl-F Lysine Bites are chicken liver flavor.
  • Store Enisyl-F in a cool, dry place.

What problems could my cat have with Enisyl-F?

  • If your cat's condition worsens or does not improve, stop product administration and consult your veterinarian.

How do you use Enisyl-F?

  • Use as directed by your veterinarian.

Enisyl-F Lysine Bites

  • Manufacturer's suggested use: Kittens under 6 months, 6 bites (250 mg) twice daily. Cats 6 months and older, 12 bites (500 mg) twice daily.

Enisyl-F Oral Paste

  • Manufacturer's suggested use: Kittens under 6 months, 1 pump (250 mg) twice daily. Cats 6 months and older, 2 pumps (500 mg) twice daily.

What is in Enisyl-F?

Enisyl-F Lysine Bites

  • Active ingredients per 12 bites (6 grams): L-Lysine Monohydrochloride 500 mg.
  • Inactive ingredients: Chicken Fat (cooked), Corn Flour, Glycerin, Hydrolyzed Chicken Liver (enzymatic), Mixed Tocopherols (a natural preservative), Phosphoric Acid, Potassium Sorbate, Poultry Meal, Rice Flour, Salt, Sugar, Titanium Dioxide, Yeast.

Enisyl-F Oral Paste

  • Active ingredients per 1 mL pump (1 gram): L-Lysine Hydrochloride 250 mg.
  • Inactive ingredients: Caramel Color, Citric Acid, Fish Oil, Lecithin, Potassium Sorbate, Purified Water, Silica Aerogel, Sorbitol, Soybean Oil, Tuna Flavor, Xanthan Gum.

Will I get what I see in the picture?

  • Enisyl-F is a brand name. You will receive the exact brand that you request.

Is it important for my cat to finish all of the Enisyl-F?

  • Cats may use Enisyl-F for different lengths of time. Please consult your veterinarian if you have any questions.