Herbs of Gold Tyrosine 1000 provides high-strength tyrosine in a convenient tablet dosage form. Tyrosine is an essential precursor for the synthesis of neurotransmitters, thyroid hormones and melanin, the pigment found in hair and skin. tyrosine is a non-essential amino acid (synthesised from the essential amino acid phenylalanine) and is an essential precursor for a wide range biochemical reactions in the body. • Tyrosine 1000 helps maintain healthy nervous system function, positive feelings of wellness and a healthy, balanced mood. • Tyrosine 1000 helps support neurotransmitter production for the regulation of a healthy mood and supports a normal, healthy stress response. • Tyrosine 1000 helps maintain alertness and attention. • Tyrosine is required for the synthesis of thyroid hormones and helps maintain healthy thyroid function and normal metabolic rate. • Tyrosine 1000 helps support normal melanin production, the pigment responsible for hair and skin colour, helping to maintain hair colour. • Tyrosine 1000 provides antioxidant properties and assists in the maintenance of general wellbeing.