Tragic Loss of a Rising Star
“As many of you know, Stephanie meant the world to Jeff,” announced Jeff Nippard on Instagram, revealing the heartbreaking news of Stephanie Buttermore’s sudden passing at the age of 36. The fitness influencer and cancer researcher, known for her impactful work and vibrant online presence, left behind a significant legacy that touched many lives.
Buttermore was not only a prominent figure in the fitness community but also an accomplished scientist. She held a PhD in Pathology and Cell Biology from the University of South Florida, where her research focused on ovarian cancer detection and early screening. Her groundbreaking discovery of a protein called RHAMM, which could serve as an early screening marker for ovarian cancer, showcased her dedication to advancing medical science.
With over 525,000 followers on Instagram and more than 1.17 million subscribers on YouTube, Buttermore had built a substantial platform where she blended her passion for fitness with her scientific expertise. However, she stepped away from social media in May 2024 due to struggles with severe anxiety, a decision that highlighted her commitment to mental health awareness.
Her last public appearance was on February 14, 2026, alongside her fiancé, Jeff Nippard, with whom she had been engaged since October 2022. Their relationship, which spanned over a decade, was characterized by mutual support and love, as reflected in Buttermore’s heartfelt words: “Love you forever.”
In the wake of her passing, Nippard requested privacy for the family during this difficult time, emphasizing the profound impact of this loss. He expressed, “We kindly ask for privacy as we navigate this tragic loss,” a sentiment that resonates deeply with those who admired Buttermore’s work and personality.
Stephanie Buttermore’s last Instagram post poignantly addressed her mental health struggles, a reminder of the challenges many face behind the scenes. Her commitment to authenticity and vulnerability in sharing her journey has inspired countless individuals to prioritize their mental well-being.
Details remain unconfirmed regarding the exact cause of her death, and the family has not yet released information about her funeral service. As the community mourns the loss of a talented researcher and beloved influencer, her contributions to both fitness and science will not be forgotten.