When it comes to being active, there is no stopping Caroline Spaulding. Whether speaking on behalf of inflammatory bowel disease (IBD) legislation on Capitol Hill, performing in a ballet recital or lacing up her cleats for a soccer game, Caroline, 13, is a force to be reckoned with.

Her strong sense of determination is what carried her through her Crohn’s disease diagnosis and the 12-week, formula-only treatment plan — exclusive enteral nutrition (EEN) — that followed. …