Lysine supplements are considered safe under most circumstances. Patients with severe renal or hepatic disease should avoid increased lysine intake due to the potential for interstitial damage in both ...

While research shows that the global dietary supplements' market was already exploding back in 2021 when it was valued at more than $152 billion, the industry is showing no signs of slowing down. In ...

Q: Whenever I feel a cold sore coming on (the telltale “tingly feeling”), I take L-lysine tablets. When I take 1,000 milligrams a day, often the cold sore will never develop. If it got a head start, ...

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 ...