A new clinical study involving human participants shows that arginine, a naturally occurring amino acid, can change how dental plaque develops on teeth, helping to reduce the risk of tooth decay. When ...

Sugar-loving mouth bacteria create acids that damage teeth, but arginine can help fight back. In a clinical trial, ...

In a study published in Science, researchers have resolved, for the first time, the high-resolution crystal structure of the ...

A CONFIDENT woman insists she looks better in her late 60s than she did in her 30s – plenty of sex helps her feel and look ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer space. This idea suggests that prebiotic molecules—the building blocks of ...

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to exist on Bennu, a small asteroid that swings by our planet about every six ...

In a peer-reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The last universal common ancestor (LUCA) is the single life form that branched into ...

Researchers demonstrated how amino acids could spontaneously attach to RNA under early Earth-like conditions using thioesters, providing a long-sought clue to the origins of protein synthesis. This ...

Amino acids are absolutely essential to our health—and for life itself. They are the so-called “building blocks” of proteins. They play a key role in the growth, repair, and maintenance of almost ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Nerd out with me for a sec about why amino supplements matter. They’re the ...

Share on Pinterest Many plant-based proteins are less digestible and may have lower concentrations of one or more essential amino acids. Kseniya Ovchinnikova/Getty Images Vegans who meet their daily ...