Find out if this supplement is truly worth taking or not. Reviewed by Dietitian Jessica Ball, M.S., RD "Key Takeaways: " Essential amino acids refer to the nine amino acids that our body can’t make on ...

Phenylalanine is an essential amino acid that carries out many important functions in the human body. The two types of phenylalanine are L-form and D-form. This article describes what phenylalanine is ...

New research from the Champalimaud Foundation (CF) reveals how missing just one essential amino acid can change gene expression and the brain's sensory systems, prompting animals to seek out ...

5-hydroxytryptophan (5-HTP) is a naturally occurring amino acid and the essential precursors of serotonin (5-hydroxytryptamine) an important neurotransmitter for mood regulation, memory, learning, and ...