Obbekjaers Oil of Peppermint capsules is useful for a variety of gastric concerns helping to aid digestion. The oil of peppermint slightly anesthetizes mucous membranes and the gastrointestinal tract. Pure peppermint oil 50mg in sunflower seed oil base in a Gelatine capsule. The capsule and the oil are slow to digest, so the peppermint is carried further through the system. Obbekjaers peppermint oil capsules were successfully used in clinical trials for irritable bowel syndrome at two leading hospitals in Denmark.