Bart Kay - Health Science
@bart-kay· YouTube·Fitness & Health·New Zealand· data refreshed 2026-10-25View channel ↗- Subscribers
- 65.2K
- Average views
- 12.8K last 25 videos
- 90-day growth
- — not measured long enough yet
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About Professor Bart Kay
Bart Kay - Health Science (@bart-kay) is a fitness & health creator on YouTube based in New Zealand, with 65.2K subscribers, 8.49M total views and 899 videos.
@Bart-kay is a former professor in cardiovascular and respiratory physiology, exercise physiology, nutrition, research methods, and statistics. Bart has published a number of peer reviewed research and review articles, as well as book chapters. External consultancies include the New Zealand All Blacks, the National Rugby League (Australia), and both New Zealand and Australian Defence Forces.... In his videos on this channel Bart discusses aspects of nutrition science, and deals head on with charlatans falsely claiming authority in this field; who invariably use pseudoscience and false interpretations of the peer-reviewed literature as their building blocks. Bart is a proponent of the low carbohydrate and carnivore dietary approaches. Adult Stem Cell Nutrition: https://bkaynutrition.cerule.com Consults, merch, etc here: https://bit.ly/bart-kay Alt YT channel @Prof-Kays-Carnivore-Cult, @Professor-Bart-Kay-Nutrition
His channel focuses on nutrition science and health education, with a secondary emphasis on educational content delivery. Kay holds a background as a former university professor specializing in cardiovascular and respiratory physiology, exercise physiology, nutrition, research methods, and statistics. He has authored peer-reviewed research articles and book chapters in his field. Beyond content creation, Kay maintains active professional consultancies with high-profile organizations including the New Zealand All Blacks rugby team, the National Rugby League (NRL), and both New Zealand and Australian Defence Forces. This combination of academic credentials and elite-level advisory work positions his content within the evidence-based health education segment. Kay operates a primary YouTube channel (@bart-kay) alongside an alternative channel (@Prof-Kays-Carnivore-Cult) focused on carnivore diet content. He also maintains a Discord community for audience engagement and offers consulting services, merchandise, and a nutrition program (Adult Stem Cell Nutrition) through linked platforms.
Who should partner with Professor Bart Kay?
The audience composition aligns with evidence-based health and nutrition content consumers, likely including fitness enthusiasts, health-conscious individuals, nutrition students or professionals, and followers of specific dietary approaches (particularly given his alternative carnivore-focused channel). His consultancy background with elite sports organizations (All Blacks, NRL) and defense forces suggests credibility with performance-oriented audiences, which may extend his appeal to sports nutrition and athletic performance brands. The presence of an active Discord community indicates engaged audience members willing to participate in deeper discussion, suggesting potential for community-focused sponsorships or ambassador programs.