Stephanie Buttermore, a prominent fitness influencer and researcher, has passed away at the age of 36. Her partner, Jeff Nippard, announced her death on Instagram, expressing profound sorrow over the loss.

Buttermore, who was Nippard’s fiancée and partner for ten years, was known for her evidence-based approach to fitness and had garnered a substantial following, with over 1.18 million subscribers on YouTube and more than 500,000 followers on Instagram.

In his announcement, Nippard stated, “It is with profound sorrow that we share the sudden passing of Jeff’s fiancée and partner of ten years, Stephanie.” He emphasized her significance in his life, saying, “As many of you know, Stephanie meant the world to Jeff.”

Buttermore held a PhD in pathology and cell biology, focusing her research on ovarian cancer. Her academic background complemented her online presence, where she shared insights into fitness and health.

In October 2022, Nippard proposed to Buttermore, marking a significant milestone in their decade-long relationship. However, she stepped away from social media in 2024, a move that left many of her followers concerned about her well-being.

Her estimated net worth was around $700,000, primarily derived from her successful YouTube channel, which served as a platform for her fitness education and research dissemination.

In his heartfelt message, Nippard also noted, “She will be remembered for her warmth and compassion, her love for her family, and her PhD research on ovarian cancer.” He requested privacy as they cope with this tragic loss.

Buttermore’s passing leaves a significant void in the online fitness education community, where she was celebrated for her dedication to evidence-based practices. Observers are reflecting on her impact and the legacy she leaves behind.

Details remain unconfirmed regarding the circumstances surrounding her death, but the outpouring of grief from fans and followers highlights the profound influence she had on many lives.

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