There is a Poop Bank where you can get human feces by the bottle.
Fecal transplants work by reintroducing a healthy balance of microbes in the gut. It is by far the most effective treatment out there for C. difficile, an infection that tends to strike in patients who have gone through multiple rounds of antibiotics wreaking havoc on their gut microbiota.
The idea of fecal transplants seem to run counter to our sterile, codified world of medicine. There's no specialized equipment, so poop is processed in kitchen blenders.
Source: gizmodo.com
