Established 1971 Gluten-Free Supports Overall Brain Health May Help Support the Body's Response to Stress Includes Vitamin B6 for Utilization Dietary Supplement Kosher Parve — Our Pledge of Integrity — Authenticity Cleanliness Freshness Consistency Accuracy Amino acids are the building blocks of proteins. L-Tyrosine is an amino acid that supports the production of brain neurotransmitters dopamine and norepinephrine. Country Life uses vitamin B6 to aid in utilization. YESCertified Vegetarian by the AVANOYeast, Corn or Wheat YESCertified Gluten-Free by GFCO.orgNOSoy or Milk YESRecyclable PackagingNOSalt or Sugar YESManufacturing Supports Wind PowerNOPreservatives YESKosher-ParveNOArtificial Color This product has been manufactured at a GMP Registered facility.