The present invention is directed to a colonic composition including a core having at least one short chain fatty acid selected from the group consisting of butyrate, acetate and propionate, and combinations thereof, or a pharmaceutically acceptable salt or ester thereof; wherein at least one of acetate or propionate is present in the core; and at least one digestion-resistant layer covering the core, the digestion-resistant layer disintegrating in the colon. The present invention is also directed to methods of treatment using the above composition.