A Salacia composition, comprising at least 12% polyphenols, at least 2% mangiferin, and at least 1% 25,26-oxidofriedelane-1,3-dione by weight of the composition, wherein a daily amount of the 25,26-oxidofriedelane-1,3-dione is at least 5 mg/kg, and the composition exhibits activity including reducing appetite, activating Hormone Sensitive Lipase, and/or maintaining a healthy lipid profile through inhibition of HMG-CoA Reductase enzyme, wherein the compounds are obtained from Salacia plant parts as an extract by a first extraction with a first solvent at 60° C.-65° C. for three hours, then filtration, and by a second extraction with a second solvent at 60° C.-65° C. for one hour, then filtration.