Food adulteration poses significant risks to public health and safety, necessitating the development of sophisticated analytical techniques for detecting and preventing the introduction of unauthorized substances in food products. Liquid chromatography (LC), particularly its advanced forms such as high-performance liquid chromatography (HPLC) and ultra-high-performance liquid chromatography (UHPLC), has emerged as a powerful tool in the fight against food adulteration. This abstract explores the application of these advanced chromatographic techniques in identifying and quantifying adulterants in various food matrices. HPLC and UHPLC provide high-resolution separation of complex mixtures, enabling the effective analysis of both known and unknown adulterants. These methods offer enhanced sensitivity and specificity, which are crucial for detecting trace levels of contaminants, including synthetic dyes, pesticides, heavy metals, and unapproved additives. The integration of mass spectrometry (MS) with LC techniques further amplifies detection capabilities, allowing for precise identification of adulterants based on their molecular structures. Recent advancements in sample preparation techniques, such as solid-phase extraction (SPE) and microextraction methods, have also improved the reliability and efficiency of LC in food safety applications. These techniques minimize sample matrix interference, ensuring an accurate assessment of food quality. Furthermore, emerging methodologies, including ultra-fast LC and two-dimensional LC, promise increased throughput and comprehensive profiling of food constituents. Overall, the advancement of liquid chromatography techniques plays a vital role in safeguarding food integrity. By enabling rapid and reliable detection of food adulterants, these methods enhance consumer safety, support regulatory compliance, and bolster confidence in food quality. Continuous innovation and integration of LC technologies will be essential for adapting to the evolving landscape of food adulteration practices.