Within weeks of starting it, Gallagher felt new relief from his rheumatoid arthritis. He could increase his workouts in the gym by 10 percent, and now a year into it they've increased by 40 percent. He's also lost seven pounds, saying he's definitely a believer. The pill he was taking is being marketed as Nella and contains bacteria harvested from the poop of high-performing athletes. Creator Dr. Jonathan Scheiman started his research by looking at the gut microbiomes of super healthy people. He found out one thing they all had in common via their poop. Science has found the microbiome directly impacts both mental and physical health. The American Psychological Association found that 95 percent of the body's serotonin is made by gut bacteria.
