Histidine: Biochemical Role in Histamine Signaling, Immune Regulation, and Energy Metabolism
Histidine is an essential amino acid involved in multiple core physiological systems, notably neurotransmission via histamine pathways, immune regulation, and gastric acid production. Although it is routinely present in protein-containing foods, clinical attention to histidine’s metabolic influence has grown because disturbances in amino-acid handling can plausibly contribute to nonspecific symptoms such as fatigue, sleep disruption,… Read More »