Definition: Organisms or complex pharmaceutical substances, preparations, or agents of organic origin, usually obtained by biological methods or assay. Biological agents are differentiated from BIOLOGICAL FACTORS in that the latter are compounds with biological or physiological activity made by living organisms. (From Webster's 3d ed).
differentiate from BIOLOGICAL FACTORS; /ther use: coordinate with disease /drug ther
red yeast rice [ Chinese red-yeast-rice dietary supplement,Cholestin ] An extract prepared from red yeast (Monascus species) fermented on pulverized rice, that produces monacolins which are HYDROXYMETHYLGLUTARYL-COA REDUCTASE INHIBITORS that are used in place of statins
