Dietary Supplement Free Foam Amino Acid Stress Management Suitable for Vegetarians/Vegans Purity & Potency GuaranteedL-Tyrosine plays an important role in producing dopamine and noradrenaline, which are helpful for everyday stress management. It helps transform fats into energy and promotes normal and healthy brain function including memory and concentration. It also supports normal muscle movement. Natural Factors amino acids are the highest quality pharmaceutical grade products available.