100,000 Heat Units is kind of high so you should take it with a meal.
Prevent Stomach Ulcers
Chili peppers like cayenne have a bad--and undeserved--reputation for contributing to stomach ulcers. Not only do they not cause ulcers, these hot peppers may help prevent them by killing bacteria you may have ingested, while powerfully stimulating the cells lining the stomach to secrete protective buffering juices that prevent ulcer formation. The use of cayenne pepper is actually associated with a reduced risk of stomach ulcers.