The detection kit for phenylalanine, tyrosine and tryptophan amino acids by high-performance liquid chromatography HPLC method of Hanan Teb Pars Company is a precise and advanced tool for measuring these amino acids in blood. Using HPLC technology, these kits provide the ability to accurately identify and measure phenylalanine, tyrosine and tryptophan. These amino acids play an important role in metabolic processes and protein production, and evaluating their levels can be essential for diagnosing metabolic disorders such as phenylketonuria, PKU, and other nutritional problems and diseases. Providing fast, accurate and reliable results, our HPLC kits are an ideal tool for laboratories and medical centers to assess the nutritional and metabolic status of patients. Following international standards, these products are a suitable option for monitoring public health and managing metabolic diseases.