The invention provides compositions and methods for topically inhibiting, reducing or preventing growth or biofilm formation of caries-, gingivitis- and/or halitosis-causing bacteria. The composition includes at least about 0.005% (w/v) of tea polyphenols, a pH modulating agent for maintaining a pH of the composition above about 6.5, and at least about 1% (w/v) of a 3-carbon to a 24-carbon sugar alcohol. Also provided are food products or supplements incorporating such compositions.