AUTHOR=Yang Huiyu , Zhang Xinrui , Gao Yang , Peng Zhuang , Su Bo , Li Kai , Zhang Cunlin TITLE=Detection of melatonin and 5-HTP in dietary supplements based on multiple spectra JOURNAL=Frontiers in Nutrition VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1532092 DOI=10.3389/fnut.2025.1532092 ISSN=2296-861X