American fitness influencer, Stephanie Buttermore, has reportedly passed away at the age of 36. Her fiancé and fellow fitness YouTuber, Jeff Nippard, confirmed her death through a social media post on March 7, 2026. The specific cause of death has not been publicly disclosed, leaving fans guessing about the possibilities. The official statement described her passing as “sudden” and requested privacy for her family and loved ones. Stephanie’s untimely demise brought her relationship with Jeff into the spotlight. Here’s all about his life, career and the couple’s whopping net worth.
Who is Stephanie Buttermore’s fiancé, Jeff Nippard?
Jeff Nippard is a Canadian bodybuilder, fitness YouTuber, and coach who was the longtime partner and fiancé of the late Stephanie Buttermore. Born on October 6, 1990 and raised in Newfoundland and Labrador, Canada, he is currently 35 years old. Jeff is widely recognised for his science-based approach to fitness training and nutrition, often citing peer-reviewed research in his videos to explain muscle hypertrophy and fat loss. Notably, he is a drug-free bodybuilder who previously won the Mr. Junior Canada title in 2012. As of early 2026, he is a major figure in the fitness industry, with over 8.22 million YouTube subscribers, where he shares workout programs and educational content.
