The fitness and online health community is mourning the loss of Dr. Stephanie Buttermore, who has died at the age of 35. Dr Buttermore, a respected researcher and widely followed fitness personality, was the fiancée of Canadian fitness influencer Jeff Nippard. News of her death was shared in a statement posted on Nippard’s social media, describing the sudden loss as a devastating moment for family and loved ones.

The message revealed that the couple had been together for a decade, building a life and career that inspired millions of followers across the global fitness community. Friends and supporters have since flooded social media with tributes remembering Dr Buttermore’s warmth, intelligence and dedication to helping others.

Beyond her presence online, Dr Buttermore was known for her academic work in Cancer Research, where she focused her PhD studies on Ovarian Cancer. Those familiar with her work say she combined scientific expertise with a passion for sharing knowledge, helping to bridge the gap between research and everyday health awareness.

In addition to her academic achievements, Dr Buttermore built a significant following within the fitness world. Through educational videos, research-backed advice and personal insights, she encouraged people to pursue healthier lifestyles while maintaining balance and self-compassion.

Colleagues and fans have described her as someone who brought authenticity and kindness to the often competitive world of online fitness. Many have shared stories about how her honesty about health, nutrition and body image helped them develop healthier relationships with food and exercise. In the statement announcing her passing, Nippard asked for privacy as he and those closest to Dr Buttermore come to terms with the tragedy. The post emphasised how deeply she was loved by family and friends.

As tributes continue to pour in, many are remembering Dr Stephanie Buttermore not only for her professional accomplishments but also for the compassion and positivity she shared with others. Her legacy will endure through her research, her influence in the fitness community and the lives she touched around the world.