Viralys®

Viralys is a highly palatable supplement formulated to support a healthy immune system.

Lysine supports normal eye health, respiratory health, and a strong immune system.

Research shows oral administration of 500 mg of lysine to cats resulted in less severe manifestations of conjunctivitis caused by feline herpesvirus (FHV-1).*

Oral Powder

Kittens under 6 months: For daily administration give 1/2 scoop (250 mg) twice daily or as directed by a veterinarian.

Cats 6 months and older: For daily administration give 1 scoop (500 mg) twice daily or as directed by your veterinarian.

Oral Gel

Kittens under 6 months: For daily administration give 1/4 teaspoon twice daily or as directed by your veterinarian.

Cats 6 months and older: For daily administration give 1/2 teaspoon twice daily or as directed by your veterinarian.

Viralys Oral Powder is available in 3.5 oz. (100 g) jars. UPC# 850046480249 

Viralys Oral Powder is available in 21.2 oz. (600 g) jars. UPC# 850046480317

Viralys Oral Gel is available in a 5 oz. (142 g) tube. UPC# 850046480232

Viralys is available from veterinarians and online retailers.

* Stiles, J., Townsend, W. M., Rogers, Q. R., & Krohne, S. G. (2002). Effect of oral administration of L-lysine on conjunctivitis caused by feline herpesvirus in cats. American Journal of Veterinary Research, 63(1), 99–103. https://doi.org/10.2460/AJVR.2002.63.99