An L-menthol pharmaceutical dosage form includes an effective amount of L-menthol for treating a gastrointestinal disorder. The L-menthol is within a plurality of particulates having a core and an enteric coating over the core. The core includes an L-menthol source that is at least 80% pure L-menthol. The dosage form may be used to treat gastrointestinal disorders, such as irritable bowel syndrome.
