Jeff Nippard’s Fiancée Dr. Stephanie Buttermore Passes Away, Fitness Community in Shock

Jeff Nippard was known for his fitness videos, and millions of people followed him on YouTube. Recently, his fiancée, Dr. Stephanie Buttermore, died. Jeff Nippard is in deep shock. There are no reports about why his fiancée died.

Fitness YouTuber and bodybuilder Jeff Nippard shared a post on Instagram on Saturday morning, announcing the sudden passing of his fiancée, Stephanie. The post read, "We are deeply saddened to share the news of the sudden passing of Jeff's fiancée, Stephanie. As many of you know, Stephanie meant the world to Jeff." Stephanie will be remembered for her loving and compassionate nature. She was pursuing PhD research on ovarian cancer, and she will always be remembered for this. We ask that you respect Jeff's privacy. Thank you for your support during this difficult time.

Stephanie Buttermore and Nippard were in a relationship for the past ten years. Stephanie holds a BS in Micro/Molecular Biology, an MS in Medical Sciences Women's Health, an MS in Medical Sciences Pathology and Cell Biology, and a PhD in Biomedical Sciences Pathology and Cell Biology from the University of South Florida.

Jeff Nippard's fiancée was also present on social media but rarely posted photos. Stephanie was last seen in Jeff's Instagram post on February 14, 2026. Those close to her say Stephanie was passionate about health and fitness and was also researching ovarian cancer.

Jeff Nippard's fiancée's social media fans, followers, and members of the fitness community are shocked to hear the news of her passing. He is encouraging Jeff during this difficult time and paying tribute to Stephanie on social media.