Stephanie Buttermore, Fitness Influencer and Cancer Researcher, Dies at 36
The online fitness community is mourning the loss of Stephanie Buttermore, a respected fitness influencer, scientist, and advocate for body positivity who has died at the age of 36.
News of her passing was shared by the team of her fiancé, Jeff Nippard, a well-known fitness educator and YouTube creator. Both figures built large followings through evidence-based health content, with Buttermore reaching more than 500,000 followers on Instagram.
Buttermore stood out in the crowded world of online fitness not only for her training and nutrition advice but also for her academic background. She held a PhD in pathology and cell biology and conducted research focused on ovarian cancer. According to information shared on her professional platforms, her work examined the molecular processes that drive the progression of Ovarian Cancer.
Her research contributed to the study of early detection methods—an area widely considered critical because ovarian cancer is often difficult to diagnose in its early stages. Buttermore’s work explored biomarkers such as the protein RHAMM, which she identified as a potential screening indicator when used alongside other diagnostic methods.
Beyond the laboratory, Buttermore gained recognition for promoting balanced nutrition and a healthier approach to body image within the fitness industry. Her message resonated with many followers who valued her science-based perspective and openness about personal health and wellness.
In tributes shared across social media, fans and fellow creators described her as intelligent, compassionate, and dedicated to both science and education.
For many supporters, Buttermore’s legacy lies in the rare bridge she built between academic research and everyday health advice—helping people understand fitness, nutrition, and the importance of scientific discovery.