Stephanie Buttermore Cause Of Death

The official cause of Stephanie Buttermore’s death has not been publicly disclosed.

Stephanie Buttermore, a fitness influencer and Ph.D. researcher in ovarian cancer, passed away suddenly on March 6, 2026, at the age of 36, as announced by her fiancé, Jeff Nippard

. Despite widespread interest, her family and Nippard have requested privacy, and no medical details or official explanation for her passing have been released

Stephanie was known for her evidence-based fitness content, body positivity advocacy, and groundbreaking research in ovarian cancer, including identifying the protein RHAMM as a potential early detection marker

. She had previously shared her personal struggles with anxiety and recovery from disordered eating, particularly during her “All In” journey where she reversed restrictive dieting to rebuild a healthier relationship with food

Jeff Nippard described her death as sudden and heartbreaking, emphasizing her warmth, compassion, and contributions to science and fitness, but explicitly noted that the cause of death was not disclosed

. Media reports and social media posts have respected the family’s request for privacy, and speculation about her past health challenges has not been confirmed as related to her passing

Stephanie Buttermore leaves behind a lasting impact on both the scientific and fitness communities. Her educational content continues to guide followers on sustainable health, self-compassion, and evidence-based fitness practices, ensuring her influence endures beyond her untimely death

In summary, while Stephanie Buttermore’s death was sudden and mourned widely, the cause of death remains unknown to the public, and her family has chosen not to release further details.

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Mar 7, 2026 · Stephanie Buttermore's cause of death remains undisclosed, but her known illness included severe anxiety and past …

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