with 100mg of pure natural peppermint oil,many times stronger than the hottest mint,small, easy to swallow veggie capsules,purest grade peppermint oil availableour peppermint oil capsules contain 100mg of pure natural peppermint oil, distilled from mint leaves. they are many times stronger than even the hottest mint sweets and will provide you with a warm comfortable feeling. the key active ingredient in peppermint are the volatile oils, particularly menthol. peppermint has a long tradition of use as a digestive aid and a well-proven relaxing effect on smooth muscle, of the type found in the gut.much of the recent research has focused on the action of peppermint on the digestive system where it has been shown in trials to possess soothing properties.