Feeding female fruit flies a diet low in the amino acid tyrosine improves their ability to endure food shortage, reduces their reproductive output, and causes them to live longer, RIKEN researchers ...

The body can produce cysteine, making it a non-essential amino acid (essential amino acids have to be obtained through diet). In the present study, the researchers explored how cysteine affected ...

The first thing they noticed was that the infected mice were not eating as much—a sign of likely metabolic changes.

Amino acid supplements offer a tempting promise: You can build more muscle just by stirring them into your smoothie, coffee, or water. That sounds way easier than searing salmon or grilling chicken ...