Tyrosine

Stress does a number on the human body. At first, the emotional and physiological responses to stress can be a good thing, boosting one’s energy and focus for the task at hand. Chronic stress, however, has a range of dangerous effects that can lead to illness and disease. One of your body’s natural soothers is a particular amino acid, and in times of stress and fatigue, it’s absolutely vital that you’re producing enough of it.