The Glucose Never Lies® Podcast
Host John Pemberton, diabetes educator, researcher, and a dad living with type 1 since 2008, explores how to think clearly about type 1 diabetes in the real world. Each episode translates current evidence and expert practice into decisions you can use: CGM accuracy and interpretation, getting more from pumps and automated insulin delivery, movement as a glucose tool, nutrition that protects performance and enjoyment, sleep, travel, parties and sport. Guests include leading clinicians, researchers and people with lived experience. Expect respectful challenge, plain language and practical takeaways. Educational only. No therapeutic relationship and no personal medical advice. Independent by design: no sponsorship, no advertising. Buy the GNL a coffee to keep us independent: https://buymeacoffee.com/gnlfree Email: john@theglucoseneverlies.com
Episodes
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Jess Shaw was diagnosed with type 1 diabetes on the evening of the worst trial of her life, then spent ten years pretending she did not have it.
Jess is an England netball international, living with type 1 diabetes. In this conversation with John she talks about keeping it quiet as a teenager, being sent home from a tour, a first England cap at a few days' notice, and what changed once she started ta...
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John Pemberton was at Croke Park on 21 May for DICE — Diabetes Ireland Conference and Exhibition — Ireland's premier annual event for healthcare professionals working in diabetes. The day also saw the launch of the landmark National Policy and Services Review for diabetes in Ireland. John grabbed a microphone and seven conversations. This episode is all of ...
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Every few months, The Glucose Never Lies stops and takes stock. No single guest, no single topic: three CGM Series episodes have landed since the last round-up, Grace has a new model, and John has appeared on two podcasts that are not his own. This episode covers all of it.
Anjanee Kohli is Co-Director and Creative Director of The Glucose Never Lies® and the host for this episode. John Pemberton is ...
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People on MDI have had one generation of CGM technology: a sensor that tells you what your glucose is doing now, with a 15-minute trend arrow. While pump users have moved through five iterations, injection users have been waiting. The Accu-Chek SmartGuide is the first attempt at a second generation - and this episode asks whether it delivers.
Amy Jolley is a Highly Specialised Dietitian, Lead Educator...
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Michael Skarlatos from Abbott UK Medical Affairs joins John Pemberton for the second manufacturer episode of the CGM Series. A former diabetes specialist dietitian at University Hospitals of Leicester, Michael brings real clinical experience to an honest breakdown of the FreeStyle Libre 2 Plus and 3 Plus.
This episode covers:
- Why Abbott accuracy data qualifies these sensors for insulin dosing: IC...
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Three months ago, GNL was a website full of excellent content that was genuinely hard to find. In Episode 38, John Pemberton and Creative Director Anjanee Kohli talk through what happened next: a complete website rebuild, five interactive explorers, the launch of GNL Grace, and the evidence base behind it, drawn from approximately 500,000 patient-days across roughly 1,300 people living with diabetes ...
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Most people with T1D have switched their CGM high alert off. Not because they do not care - because it goes off every time they eat and there is nothing they can do about it. Episode 37 is about what Dexcom built to fix that.
Adam Dawes, Senior Medical Affairs Manager at Dexcom UK and Ireland - and a former paediatric diabetes nurse specialist - joins John Pemberton for the third manufacturer episode ...
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CGM Series | The Glucose Never Lies® Podcast
Three of the UK's leading diabetes specialist nurses on why CE marking is not a quality standard for CGM accuracy, why data sufficiency must come before device comparison, and what ATTD 2025 revealed about where diabetes technology is heading. A frank, clinical conversation grounded in years of front-line practice — and the story of how the DSN Forum'...
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CGM Series | The Glucose Never Lies® Podcast
CGM accuracy is usually described with a single number: MARD. But a low MARD can hide significant risk if the study behind it was poorly designed. Professor Othmar Moser — one of the leading independent CGM accuracy researchers — explains what study design actually determines, why meal and insulin challenges are non-negotiable, and what people w...
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How do some countries consistently achieve lower HbA1c and better outcomes in type 1 diabetes while others struggle — even with the same technologies?
In this episode, John Pemberton speaks with Dr Peter Adolfsson, paediatric diabetologist in Sweden and lead author of the ISPAD 2022 Exercise Guidelines, about what actually drives population-level improvements in type 1 diabetes care.
Full show no...
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Exercise guidelines for type 1 diabetes are built on research dominated by male participants. Professor Jane Yardley, a leading exercise physiologist, bridges the research gap between male and female exercise physiology in type 1 diabetes.
This conversation reveals why carbohydrate recommendations systematically overestimate female needs, how menstrual cycle phases alter insulin requirements d...
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The menstrual cycle affects half of people with type 1 diabetes, yet it's nearly invisible in clinical guidelines, research, and technology design. Dr. Cecilia Nobili — a pediatric diabetology resident and researcher living with T1D — bridges the gap between lived experience and clinical evidence.
In this episode, Dr. Nobili shares findings from her observational study of 170 women...
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Professor Eleanor Scott, one of the UK's leading experts in pregnancy and diabetes, provides the evidence-based roadmap that cuts through the noise.
Full Show notes: https://theglucoseneverlies.com/pregnancy-t1d/
This episode covers the complete journey: pre-conception planning (why HbA1c <48 mmol/mol and 70% time in pregnancy range matters), the chaos of first trimester insulin sensitivi...
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In this episode of Glucose Never Lies, John Pemberton welcomes Dr. Inge Van Boxelaer, endocrinologist and founder of Diabetotech, an independent education platform for diabetes technology. Together, they explore the critical role of education in maximizing the benefits of devices like continuous glucose monitors (CGMs), insulin pumps, and automated insulin delivery (AID) systems.
Dr. Van Boxelaer shar...
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Five principles that make change more likely to stick
John Pemberton is joined by Vanessa Haydock (The Diabetic Health Coach). Background in psychology and applied behaviour analysis, certified behaviour analyst, personal trainer, and coach supporting people with type 1 diabetes through sustainable behaviour change.
Full notes: https://theglucoseneverlies.com/beahviour-change-t1d/
This conversation lays...
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Host: John Pemberton, RD
Guest: Anjanee Kohli, RD MNutr
2025 was a formative year for The Glucose Never Lies® Podcast. Not because everything went smoothly — but because repeated exposure to real-world problems forced clearer models, sharper questions, and fewer illusions.
In this year-in-review episode, John Pemberton is joined by Anjanee Kohli — diabetes specialist dietitian, creative...
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Host: John Pemberton, RD
Guests: Roger Moore & Robin Lucciantonio
Roger has lived with type 1 diabetes since age two and has been totally blind for more than 35 years. While automated insulin delivery (AID) has transformed safety and glucose stability for many people with type 1 diabetes, most systems remain inaccessible without sight.
In this Inspiring Stories episode of The Glucose Never Lies®...
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Host: John Pemberton, RD
Guest: Diabetes with Milly (Milly)
Episode page: Detailed show notes
In this episode, Milly joins John to explore how real community forms when people with type 1 diabetes feel safe enough to be vulnerable. Diagnosed during lockdown and thrown into DKA in the final year of her biology degree, Milly rebuilt her life through movement, self-experimenting with strength ...
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In this episode, John Pemberton and Dr Dessi Zaharieva open a transparent, evidence-based conversation about alcohol, nightlife, festivals, hypos, and harm-reduction for people living with Type 1 Diabetes.
FAQ: Alcohol & Type 1 Diabetes
Alcohol suppresses hepatic glucose output, disrupts REM sleep, increases overnight hypo risk, and affects metabolism differently across singl...
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