A photo of Gregg Wallace as he appeared on the experts in health podcast

How did TV’s Gregg Wallace lose 5 stone?

TV celebrity Gregg Wallace MBE has revealed how he lost a whopping 5 stone during an incredible weight loss transformation.

Speaking on Series 2, Episode 1 of Loughborough University’s Experts in Health podcast, Gregg also talks about his varied career journey from greengrocer to media personality and his thoughts on the viral music sensation ‘buttery biscuit base’.

Hosted by Dr Chris McLeod (School of Sport, Exercise and Health Sciences), the much anticipated eight-part series once again features some of the most coveted guests across the UK.

With new episodes set to be released weekly, the podcast continues to tackle wide-ranging issues and conversational points across the health sector.

A preview of all episodes can be found below:

Episode 1

Gregg Wallace MBE: how he lost 5 stone and kept it off

TV’s Gregg Wallace talks about his career journey from greengrocer to TV personality to weight loss adviser. Gregg shares how he lost 5 stone and kept it off, as well as his thoughts on the viral track ‘buttery biscuit base’.

Episode 2

Dr Hibbah Osei-Kwasi: A change is needed: how to support healthy eating in UK-based migrants and ethnic minorities

Dr Hibbah Osei-Kwasi talks about how a different approach is needed to support healthy eating for UK-based ethnic minorities and how migration presents unique challenges to promoting healthy diets.

Episode 3

Lavina Mehta MBE: how exercise ‘snacking’ took her from Watford to Windsor Castle

Health entrepreneur Lavina Mehta MBE talks about how a career change, short-bursts of physical activity and exercising for sanity not vanity took her from a corporate career to being a national ambassador for health and fitness.

Episode 4

Dr Edward Hartley: What’s really going on in the NHS and how to solve the problems

NHS Clinical Director Dr Edward Hartley shares his decades of experience working in the NHS, how its funding, structures and patients have changed over time, where the real problems lie, and how we solve them.

Episode 5

Dr Duncan Robertson: Public health messaging and communication: what we learned from the COVID-19 pandemic

Independent SAGE expert Dr Duncan Robertson shares his experience during the pandemic of providing independent advice about how to best communicate about health and science to the public, what we learned, and how we can do better in a future pandemic.

Episode 6 

Dr Kajal Gokal: If you take one thing away it’s this: exercise is really important before, during and after cancer treatment

Dr Kajal Gokal talks about 20 years of evidence showing that physical activity before, during and after cancer treatment is important for health, that rest typically isn’t best, and how we can get this message out to more people.

Episode 7

Dr James King: The science behind obesity

Dr James King talks about how obesity develops, how exercise and diet help to fight against health difficulties not just weight loss, and how drugs might be the answer to the obesity epidemic.

Episode 8

Professor Lauren Sherar: Reimagining school lessons to make children more active

Professor Lauren Sherar talks about how children are less active now than ever before and how a whole-school approach is needed – even in lessons like maths and science – to reimagine the school day to get children more physically active.

Notes for editors

Press release reference number: 24/71

Loughborough is one of the country’s leading universities, with an international reputation for research that matters, excellence in teaching, strong links with industry, and unrivalled achievement in sport and its underpinning academic disciplines. 

It has been awarded five stars in the independent QS Stars university rating scheme and named the best university in the world for sports-related subjects in the 2024 QS World University Rankings – the eighth year running. 

Loughborough is ranked 6th in The UK Complete University Guide 2025, 10th in the Guardian University League Table 2024 and 10th in the Times and Sunday Times Good University Guide 2024. 

Loughborough is consistently ranked in the top twenty of UK universities in the Times Higher Education’s ‘table of tables’, and in the Research Excellence Framework (REF) 2021 over 90% of its research was rated as ‘world-leading’ or ‘internationally-excellent’. In recognition of its contribution to the sector, Loughborough has been awarded seven Queen's Anniversary Prizes. 

The Loughborough University London campus is based on the Queen Elizabeth Olympic Park and offers postgraduate and executive-level education, as well as research and enterprise opportunities. It is home to influential thought leaders, pioneering researchers and creative innovators who provide students with the highest quality of teaching and the very latest in modern thinking.