A St. Paul chiropractor and former NASA engineer has taken an idea from outer space and created a health drink business from it - In the mid-1990’s Dr. Mike Johnson of Cathedral Hill Chiropractic worked on a NASA technology to convert the human waste water (urine and shower water) into drinking water (you know, for the trip to an asteroid or Mars). “We used bacteria to remove the bad stuff from urine; so I thought, why not use probiotics to add health stuff to a drink?”