Although there's no set limit for lysine intake, high doses can cause digestive issues. Most people can get enough lysine through their diet.

"Lysine is a necessary building block for the proteins in every cell of our body," says Dr. Walter Willett, a physician and professor of epidemiology and nutrition at Harvard T. H. Chan School of ...

Lysine methylation is a pivotal post‐translational modification that modulates protein function by the addition of methyl groups to the ε‐amine of lysine residues. This modification, catalysed by ...