The present invention provides an oral composition comprising a polymer attached to a sweetening agent via a cleavable linker, wherein the polymer is capable of attaching to a surface in an oral cavity, and the cleavable linker is cleavable in the oral cavity to release the sweetening agent.本發明係提供一包含經由可裂解連接鏈與甜味劑連接的聚合物之口腔用組成物,其中該聚合物能黏附在口腔表面,且該可裂解連接鏈在口腔中可裂解而釋放甜味劑。