Stephanie Buttermore Passes Away at 36
“It is with profound sorrow that we share the sudden passing of Jeff’s fiancée and partner of ten years, Stephanie,” stated a representative from Jeff Nippard’s team on March 6, 2026.
Stephanie Buttermore, known for her impactful presence as a fitness influencer and researcher, passed away at the age of 36. Her fiancé, Jeff Nippard, made the announcement on Instagram, marking a tragic moment for her followers and loved ones.
Buttermore, who held a PhD in Pathology and Cell Biology, dedicated her research to ovarian cancer detection. She was not only a respected academic but also a beloved figure in the fitness community, with a substantial following on platforms like YouTube and Instagram, where she had over one million subscribers.
Prior to her passing, Buttermore had been absent from social media since April 2024, citing anxiety issues. Her last Instagram post, made in May 2024, reflected her struggles with mental health, stating, “My mental health has been the best it’s ever been, and I’m way more present.” This candidness about her journey resonated with many of her followers.
Buttermore was engaged to Jeff Nippard since October 2022, and their relationship spanned a decade. She was remembered for her compassion and warmth, qualities that endeared her to many.
Details remain unconfirmed regarding the exact cause of her death, leaving fans and friends in shock and mourning. The fitness community has expressed an outpouring of grief, honoring her legacy and contributions.
As tributes continue to pour in, many are reflecting on the impact Buttermore had on their lives, both as an influencer and a researcher. Her work in the field of pathology and her advocacy for mental health awareness will be remembered by many.
In the wake of this tragic news, followers and friends are left to cherish the memories of a vibrant individual who touched countless lives through her work and presence.