BrainMD Tyrosine promotes mental focus under challenge. This dietary supplement provides l-tyrosine, an amino acid that supports key neurotransmitters. It helps promote a healthy emotional balance and supports adrenal and thyroid gland function. Each bottle contains 120 capsules designed to support cognitive function and assist the body in managing stress. BrainMD Tyrosine is a component of the comprehensive brain program developed by Daniel Amen, MD.