Carlyle L-Tyrosine Capsules 1000 mg are a dietary supplement providing L-tyrosine, an amino acid that the body uses to produce certain neurotransmitters and thyroid hormones. Each serving provides 1,000 mg of L-tyrosine. The product contains 300 capsules and is described as therapeutic grade, Non-GMO, and gluten free, making it a convenient option for adults seeking L-tyrosine supplementation.