Peppermint has a long tradition of use as a digestive enzyme. The active oils contained in this formulation mint (peppermint), especially the menthol, are the key ingredients , although the rest of these ingredients provide therapeutic properties of the plant .

According to recent studies , the oil of peppermint has favorable activity against symptoms of Irritable Bowel Syndrome (IBS). The IBS is caused when the gastrointestinal tract is not functioning normally. The smooth muscle wall of the intestinal tract are sensitized , resulting in intense contractions which can be painful. The peppermint oil is known to cause relaxation of smooth muscle in the wall of the intestinal tract , as evidenced by numerous clinical studies.

Peppermint Oil Capsules Lamberts containing 50mg of pure peppermint oil , distilled from mint leaves .