Luke Hanna
Luke Hanna is a nutrition coach, personal trainer and online creator who explains nutrition research and challenges food and fitness myths.
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Latest
Luke’s happenings, collected from public sources, plus his backstory and Starbook, where fans write.
Known for
Sigma Nutrition
YouTubeOverview
- Work
- Nutrition coach, personal trainer and online educator
- Education
- Sport and Exercise Science, University of Portsmouth; MSc Obesity and Clinical Nutrition, University College London
- Career start
- Working in fitness since around 2013 or 2014, by his own account
- Known for
- Explaining nutrition evidence and responding to misinformation on TikTok
Mini bio
How it started.
Luke’s interest began with sport, including rugby, and wanting to improve his performance. In his Sigma Nutrition interview, he recalled starting his Portsmouth degree in 2010 and completing personal-training qualifications while studying. He dates his work in the industry to around 2013 or 2014.
Finding his audience.
His TikTok work made him known for answering nutrition misinformation with research. By his October 2022 appearance on The Nutrition Blueprint Podcast, that approach was already central to his public work. He was then studying for his UCL master’s, which later guest biographies confirm he completed.
What fans can expect.
His videos and interviews connect nutrition science with everyday choices. Alongside coaching, he talks about hunger, food beliefs and sustainable changes. Recent conversations range from practical eating habits on Sigma Nutrition Radio to dietary guidelines with Andrew Coates and extreme weight-loss camps with the BBC.
Creditschronological, newest first
- 2026What in the World: Does lifting weights help you live longer?Guest contributor
- 2026Sigma Nutrition Radio #606Guest
- 2026What in the World: China’s extreme weight loss campsGuest contributor
- 2026Lift Free And Diet Hard #441Guest
- 2024Born to Thrive: Weight loss interventions and understanding the complexities of obesityGuest
- 2022The Nutrition Blueprint Podcast: Busting Nutrition Myths on TikTokGuest
Quotes
“stop thinking of your goals like an on/off switch and instead think about them like a dimmer switch.”Luke Hanna, TikTok
In his December 2024 holiday-eating video, he encouraged a flexible approach to habits through busy social periods.
Trivia
- Rugby was one of the sports that first drew him toward learning about training and nutrition, as he recalled on Sigma Nutrition Radio.
- He completed personal-training qualifications alongside his undergraduate degree, according to his account in the same interview.
- His holiday-eating video uses a dimmer switch as a metaphor for adjusting goals instead of abandoning them.
Find Luke
Follow Luke for nutrition explainers and a closer look at food and fitness claims.
Are you Luke Hanna?
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