Tectona grandis L. commonly known as Teak, is a widely utilized medicinal plant known for its diverse therapeutic properties. To ensure the safety, efficacy, and standardization of Teak-based products, a comprehensive quality control evaluation was conducted using phytochemical screening, TLC fingerprinting profiling, and GC-MS analysis. Phytochemical analysis showed various phytocompounds, including tannins, steroids, flavonoids, and alkaloids, confirming its medicinal significance. TLC fingerprinting profiling generated unique chemical patterns for Teak samples, facilitating the identification of authentic products and detection of adulteration. This aspect ensured consistent product quality and consumer safety. GC-MS analysis offered detailed information about volatile and semi-volatile compounds present in Teak, shedding light on its chemical composition and potential health benefits. The combined use of these analytical techniques provided a comprehensive insight into the phytochemistry of T. grandis, paving the way for its responsible use in various industries. This quality control evaluation has significant implications in the pharmaceutical, nutraceutical, and traditional medicine sectors, as it aids in developing standardized herbal products and quality standards. Furthermore, it enhances global trade and regulatory compliance, ensuring transparency and authenticity in the herbal medicine market. In conclusion, this integrated approach serves as a reliable and efficient method for evaluating the quality and authenticity of T. grandis based products. It establishes a solid foundation for further research and utilization of Teak's therapeutic potential, promoting its sustainable exploitation while preserving its natural resources. The findings contribute to the overall advancement of herbal medicine quality assurance and enrich our understanding of the medicinal properties of T. grandis.