Histidine, an essential amino acid, is making waves in the dietary supplement industry. It's not just a building block for proteins in our body, but also plays a vital role in various physiological functions. It's been linked to improved immune responses, better mental health, and even enhanced athletic performance. This has led to a surge in its popularity in the supplement market. As we continue to explore the health benefits of histidine, it's clear that this once overlooked nutrient is now taking center stage.