ABSTRACT Sargassum sp. contains bioactive compounds is used as natural antioxidants and alpha-glucosidase enzyme inhibitors. This study aims to determine the bioactive compounds, total phenolics, antioxidant activity, and alpha-glucosidase enzyme inhibitors from extracts of Sargassum sp. The research method was an experiment to extract Sargassum sp using a multilevel maceration method with nhe…