A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells.

Historically, much of weight loss advice focused on eating less and moving more. In recent times, researchers discovered that what, and not just how much, someone eats also influences weight loss and ...

Scientists found that colour production in birds is not just cosmetic but may be part of the body's internal defence system.

A new study reported in Nature has determined that the amino acid cysteine could promote regeneration among cells in the small intestine. The work showed that cysteine can activate an immune signaling ...

N-acetylcysteine (NAC) is a supplement form of the amino acid cysteine. You get cysteine by eating high-protein foods such as beef, chicken, eggs, and whole grains. Your body can also make some ...

All proteins are built from the same 20 amino acids. One of these, cysteine, was assumed not to have been present at the origin of life. In a new study, scientists have recreated how cysteine was ...

In carrying out the study, researchers at New York University looked at the effects of eliminating a series of amino acids from the diets of mice, as well as genetically altering them to be unable to ...

An amino acid found in everyday foods such as meat, cheese, nuts and beans could help the gut heal after cancer treatments, according to new research. In a study conducted on mice, scientists from the ...

Your cells contain glutathione, which is a substance made from three amino acids: cysteine, glutamate, and glycine. Glutathione acts as an important antioxidant in your body. That means it helps ...

N-acetylcysteine (NAC) is a supplement that may help with various conditions. Possible uses range from improving athletic performance to managing blood sugar levels and treating chronic lung problems.