WEST LEBANON — Growing up on a dairy farm in Corinth, Seth Osgood, his mom and three siblings all had digestive issues.

“We were one of those families, unfortunately, where we had to scout out the bathrooms when we were on vacation,” Osgood said in an interview at his West Lebanon office last week. “…It was pretty brutal, but that was our norm.”

It wasn’t until Osgood was finishing up school …