Canadian fitness YouTuber Jeff Nippard recently made international headlines after announcing the sudden death of his fiancée, fitness influencer and scientist Dr. Stephanie Buttermore, at the age of ...
Stephanie Buttermore, a fitness influencer and doctor who researched ovarian cancer throughout her career, died at the age of 36, her fiancé and fellow fitness YouTuber Jeff Nippard, announced Friday.
Stephanie Buttermore rose to fame on YouTube, but abandoned her accounts two years before her tragic 2026 death. Here's what happened leading up to Jeff Nippard's fiancée quitting social media.