This L-Tyrosine powder from Now Foods is a dietary supplement designed to support cognitive function and mood. L-Tyrosine is an amino acid that plays a role in the production of neurotransmitters like dopamine and norepinephrine. It is often used to promote mental clarity and focus, especially during periods of stress or fatigue. The powder form allows for easy customization of dosage and can be mixed with water or your favorite beverage.