MIT scientists have found that an amino acid called cysteine can help the gut heal itself. In mouse studies, a cysteine-rich ...

A sulfur-containing amino acid called cysteine could help cancer patients recover from gut damage caused by chemotherapy and ...

Protein is having a moment. But even if most people are eating enough protein, studies suggest they may not be eating the right mix.

"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 ...

Protein has become the darling of the nutrition world for its power to keep you satisfied and help repair and build muscle. Although protein needs vary greatly and are highly individualized, science ...

Salmon and tuna are both healthy choices when it comes to seafood, but you may want to consider what each offers before ...