Lysine's precise role in the prevention and treatment of herpes labialis outbreaks is unknown. Of seven randomized, double-blind, placebo-controlled studies reviewed, six showed lysine to be ...

Consider L-lysine supplements ... You might not be able to completely stop a herpes outbreak in its tracks. But you can take ...

In some people, high blood levels of lysine can prevent the replication of the herpes virus and lower outbreak duration and severity. It’s thought to work for both cold sores and genital herpes ...

Lysine is marketed for use in the prevention and treatment of outbreaks of herpes, particularly herpes labialis. Although not curative, lysine is advertised to decrease the frequency, severity ...