Medically reviewed by Aviv Joshua, MS, RDN Phenylalanine is an essential amino acid (building block of protein) that the body ...

Start the day smarter. Get all the news you need in your inbox each morning. L-Lysine, or lysine, is an amino acid - which are organic compounds that link together to form proteins. Lysine is ...

“L-tyrosine is a precursor to dopamine, the neurotransmitter that aids in motivation, mood regulation, and pleasure,” says ...

L-arginine is an amino acid that may help promote blood flow, athletic performance, and wound healing, among other benefits. But taking L-arginine supplements may interact with certain medications.

Amino acids are small molecules that are the building blocks of proteins. Proteins serve as structural support inside the cell and they perform many vital chemical reactions. Each protein is a ...

Researchers at Texas Tech University reviewed how red meat proteins and amino acids affect human health, weighing both ...

Hidden within the genetic code lies the "triplet code," a series of three nucleotides that determine a single amino acid. How did scientists discover and unlock this amino acid code? Once the ...

Other variables include the proportion of amino acids available in specific protein foods and the digestibility of individual amino acids. The USDA provides a calculator to help people work out ...