Beta-alanine is an amino acid popular in supplements because it may help improve athletic performance and muscle recovery. Made in the liver and found in some foods, beta-alanine is needed to ...

Proteins have four levels of structure: primary (amino acid sequence), secondary (local folding patterns like alpha helices and beta sheets), tertiary (overall 3D shape), and quaternary (assembly of ...

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 ...