it is safe and effective. reporter: and expanded the business to attract the athletes and health conscious through their i.v. might min trarpy line. vitat vitaheaven. helping them stay hydrated and in the best condition. once hangover heaven was six, seven months old and people realized this actually does work, people started asking what else can we to do? we ve had athletes come through. bike marathons. it s hard to hydrate after those. hangover heaven works well in a tourist area but in a more professional place, say new york or boston, vitaheaven might be a better entity. reporter: for every one that s had a pounding headache disappear, a lot of others claiming foul. sdts a hangover really need