Nutritional support 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 and thyroid-hormones. Always read the label and follow the directions for use. Tyrosine is a non-essential amino acid (synthesised from the essential amino acid phenylalanine) and is an essential precursor for a wide range of reactions in the body. Tyrosine 1000 helps maintain healthy nervous-system function and a healthy stress-response in the body. Tyrosine 1000 assists in the synthesis of neurotransmitters. Each tablet contains: Tyrosine 1g Does not contain egg, milk, peanut, corn, soy, tree nuts, animal products, gluten, lactose or artificial colours, flavours or preservatives. Adults – Take 1 tablet, twice daily, with food, or as directed.