Among the most commonly taken supplements is L-Lysine, though registered dietitians don't usually stress a need to take it unless you have a medical condition or dietary restriction that prevents ...

He needs it. Arguably the hardest working man in tennis, Mike Cation provides first-ball to last-ball commentary for the USTA Pro Circuit livestream. First-ball to last-ball, start to finish ...

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 ...