Q: In my younger years, I suffered from recurring cold sores when exposed to the sun or when under stress. What worked for me back then was a product called Enisyl (lysine spelled backward). It worked immediately.
After this product disappeared, I found lysine supplements. Taking lysine at the first tingle could keep the cold sore from fully emerging or at least keep it as a small sore. I used a dosage of 500 milligrams three times a day, but I have no idea if that was correct.
A: We were fascinated to learn about the product called Enisyl. There is currently a veterinary supplement for cats called Enisyl-F. It is available as chicken-liver-flavored chews and tuna-flavored oral paste.
This lysine product is marketed to support a healthy immune system. Some people use it to treat cats infected with feline herpes virus Type 1 (FHV-1). This virus infects only cats and is not contagious to humans.
Human herpes simplex virus Type 1(HSV-1) causes cold sores. When levels of lysine are high within cells, the virus has difficulty replicating. A review of the research in the journal Viruses (June 2023) reports that “Lysine appears to be a successful daily prophylactic agent for reducing HSV recurrence and is an effective therapeutic agent for decreasing the severity and healing time for HSV reactivation .
.. lysine is a safe natural compound, without reported adverse side effects, and is a promising alternative treatment option for patients with HSV.
” Q: I am weaning myself off the .
