Histidine is an essential amino acid that is not produced by the human body and consumed through food or supplements, for the biosynthesis of proteins inside the body. Histidine-rich food includes meat, dairy products, whole grains, and soy. Histidine is essential for both animals and humans for the growth and development in their infant stages. However, in later stages, it is an active element involved in triggering immune reactions. In ... Read more