Fitness Influencer Stephanie Buttermore Dead at 36, Fiancé Jeff Nippard Reveals
Stephanie Buttermore, a prominent fitness influencer and ovarian cancer researcher, passed away on March 6, 2026, at the age of 36.
Who Was Stephanie Buttermore?
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| Credit: Stephanie Buttermore / Instagram |
Stephanie Buttermore built a substantial following through her science-based content on training, nutrition, and body positivity. She held a PhD from McGill University, where her work centered on ovarian cancer research.
Born on February 25, 1990, she celebrated her 36th birthday just weeks before her death.
She amassed over 525,000 followers on Instagram and more than one million subscribers on YouTube, where she shared videos blending fitness advice with scientific explanations.
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| Credit: Stephanie Buttermore / Instagram |
Stephanie previously competed as a bodybuilder and later shifted focus to promoting balanced approaches to health and wellness.
In her YouTube channel description, she detailed her integration of science and fitness into daily life, including her ongoing cancer research efforts.
Her net worth was around $1 Million at the time of her death.
Relationship with Jeff Nippard
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| Credit: Stephanie Buttermore / Instagram |
Buttermore had been in a relationship with bodybuilder and fitness expert Jeff Nippard for 10 years. The couple met online in 2016, with their first date occurring during a gym session.
Nippard proposed to Buttermore in November 2022, and they purchased their dream home together in preparation for marriage.
She even shared her transformation pictures on Instagram after giving birth to her first baby:
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| Stephanie Buttermore Before and After. Credit: Stephanie Buttermore / Instagram |
Recent posts from Nippard showed the pair enjoying time together, including a night out less than a month before her death, where Stephanie Buttermore commented "Love you forever."
The couple kept much of their family life private.
The Announcement of Her Death
Nippard shared the news of Stephanie Buttermore's passing through a statement on his Instagram account on March 6, 2026.
"It is with profound sorrow that we share the sudden passing of Jeff’s fiancée and partner of ten years, Stephanie," the post stated.
"As many of you know, Stephanie meant the world to Jeff. She will be remembered for her warmth and compassion, her love for her family, and her PhD research on ovarian cancer." The statement requested privacy for Nippard during this period.
Stephanie Buttermore Cause of Death
Details surrounding the cause of Stephanie Buttermore's death remain undisclosed. The announcement described her passing as sudden, with no further information provided on the circumstances or location.
Stephanie Buttermore had stepped back from social media in April 2024 to prioritize her mental health, stating at the time that she felt in her best state ever.
No updates on her health appeared publicly in the intervening period.
