Claim OwnershipThe Glucose Never Lies® Podcast
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Description
Host John Pemberton — diabetes educator, researcher, and 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 take-aways.
Note: Educational only. No therapeutic relationship or personal medical advice.
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Email: john@theglucoseneverlies.com
28 Episodes
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Suggest guests or get in contact 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 Podcast, John Pemberton speaks with Roger Moore and diabetes e...
Suggest guests or get in contact 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 training, discovering yoga, and eventually travelling alone to India...
Suggest guests or get in contact 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. Full episode page FAQ: Alcohol & Type 1 Diabetes Alcohol suppresses hepatic glucose output, disrupts REM sleep, increases overnight hypo risk, and affects metabolism differently across single-night and multi-day events. This episode walks through t...
Suggest guests or get in contact Host: John Pemberton, RD Guest: Dr Laurel Messer, PhD, RN Epidose page - Detailed show notes Episode FAQ - Dr Messer answers the FAQ's (free Downlaod) In this episode, Dr Laurel Messer joins John to break down the real science behind skin integrity, sensor performance, and the hidden link between skincare and safer automation. Drawing on leading research from the Barbara Davis Center, the Panther Program, and international AID consensus work, this conver...
Suggest guests or get in contact Join John Pemberton as he sits down with Dr Temi Olonisakin — the doctor who turned a lonely Type 1 diabetes diagnosis at 17 into a movement of connection, confidence, and pancakes. From small brunch tables in London to dreams of Bali gatherings, Temi’s story shows how joy, representation, and community can change what it means to live with diabetes. How one young doctor turned isolation into connection — building a joyful, inclusive community for people livin...
Suggest guests or get in contact When sixteen-year-old Kirsten de Klerk was diagnosed with type 1 diabetes, she asked how long she’d have to live like this. Her doctor replied, “Every day for the rest of your life.” Years later, that sentence became the fuel for change. Sign the CGM Access Petition: In less than one-minute, you can change global access to CGM forever. In this episode, John Pemberton talks with Kirsten about her journey from diabetes burnout to national advocacy, and how her w...
Suggest guests or get in contact Professor Partha Kar joins The Glucose Never Lies® Podcast to unpack how the UK moved from research to reality in continuous glucose monitoring (CGM) and hybrid closed-loop systems (AID) — and how the same approach can be applied to any challenge in life or leadership. Through openness, accountability, and courage, Partha helped create one of the fastest national tech adoptions in healthcare history. At the centre of that journey sits a practical philosophy an...
Suggest guests or get in contact Episode 20 — Standardization of Testing CGM Performance: The Nuts and Bolts With Dr. Stefan Pleus (Institut für Diabetes-Technologie, Universität Ulm; Chair of the IFCC Working Group on CGM). Full show notes and FAQ, and consider buying me a Coffee to keep pumping. In this episode, we go deep into the future of continuous glucose monitoring (CGM) standards. Dr. Pleus explains why the FDA iCGM framework (2018) is no longer enough, what a robust international st...
Suggest guests or get in contact 19 – iCGM vs eCGM vs Standardisation by the IFCC: CGM Regulation with Dr. Guido Freckmann Full show notes and FAQ, and consider buying me a Coffee to keep pumping Continuous glucose monitoring (CGM) has transformed diabetes care — but how do we know which systems are accurate, safe, and truly comparable? In this episode, John Pemberton is joined by Dr. Guido Freckmann (Institute of Diabetes Technology, Ulm; former chair of the IFCC CGM Working Group). To...
Suggest guests or get in contact What’s the difference between physical activity and exercise when you live with type 1 diabetes? And why does it matter? Full show notes & transcript: Episode 18 page In this episode, I’m joined by Prof. Othmar Moser, exercise physiologist, guideline author, and fellow person with type 1, to break down: Why 10 minutes of activity after meals is the easiest, most powerful place to start.The 20/20 and 40/40 rules — how 20 minutes of light m...
Suggest guests or get in contact Episode 17 — GLP-1 in Type 1 Diabetes: Beyond Weight Loss, Towards Metabolic Therapy Go to the Podcast page for all the notes, insights, and further reading & listening. Subscribe to The Glucose Never Lies® and receive the Summary PDF with all the key take-home messages and practical implementation strategies. Support The Glucose Never Lies® Podcast ☕ Buy Me a Coffee 💙 Donate Guest: Professor Viral Shah, MD Professor of Medicine & Directo...
Suggest guests or get in contact Episode 16 — Diabetes & Driving: Why You Need to Be 5 to Drive Show summary PDF and full notes here Support The Glucose Never Lies® Podcast ☕ Buy Me a Coffee 💙 Donate Guest: Professor Pratik Choudhary (University of Leicester, Leicester Diabetes Centre; Chair, DVLA Medical Advisory Panel on Diabetes) Host: John Pemberton (The Glucose Never Lies Podcast) Episode Overview Driving with type 1 diabetes is not just about safety. It comes with clear l...
Suggest guests or get in contact Hosted by diabetes dietitian John Pemberton, this show blends science and real-life experience to make managing type 1 diabetes easier, clearer, and more human. Smart insights, practical tips, and honest conversations await. It's all about C-Peptide and what it means for people living with T1D! 🕒 [00:09] Think all T1D is the same? Think again. 🕒 [02:14] Some people really do have it harder — and “brittle diabetes” might...
Suggest guests or get in contact In this deep-dive episode, John Pemberton explores the misunderstood world of insulin resistance in people with type 1 diabetes. Drawing on years of personal experience, clinical expertise, and the latest research, he breaks down why insulin resistance matters—even in a condition defined by insulin deficiency. Click here for the detailed 3-part write up The episode walks through the 'Ominous Octet', eight mechanisms that drive insulin resistance, and explains ...
Suggest guests or get in contact In this episode of the Glucose Never Lies podcast, hosts John Pemberton and Louise discuss the intricacies of diabetes management, focusing on continuous glucose monitoring (CGM) systems. They explore various CGM features, including calibration, alarms, and connectivity with automated insulin delivery (AID) systems. The conversation emphasizes the importance of understanding individual needs when selecting a CGM, as well as the role of technology in enhancing ...
Suggest guests or get in contact In this episode of the Glucose Never Lies podcast, hosts John Pemberton and Louise discuss the intricacies of diabetes management, focusing on continuous glucose monitoring (CGM) systems. They explore the importance of CGM accuracy, the standards set by regulatory bodies, and the significance of testing conditions in evaluating these devices. The conversation delves into various metrics used to assess CGM performance, including MARD, 20/20 and 40/40 agreement ...
Suggest guests or get in contact In this episode of the Glucose Never Lies podcast, hosts John Pemberton and Louise delve into the intricacies of diabetes management, focusing on continuous glucose monitoring (CGM) systems. They discuss the importance of understanding CGM accuracy, the significance of study design in evaluating sensor performance, and the key questions to ask when assessing the reliability of these devices. The conversation emphasises the need for robust testing conditions to...
Suggest guests or get in contact In this episode of the Glucose Never Lies podcast, John Pemberton shares insights from the ATTD 2025 conference, discussing advancements in diabetes management technologies, including automated insulin delivery systems and continuous glucose monitoring. He emphasizes the importance of early intervention with AID systems, the role of GLP-1 receptor agonists, and the impact of exercise and nutrition on diabetes control. The conversation also highlights the need ...
Suggest guests or get in contact This bonus Episode 8B is a family special — co-created with my daughter Grace. It takes the science of activity lowering glucose and flips it into something fun: a rap we call 99 Problems (But Highs Ain’t One). The key message? When you’re above 10 mmol/L (180 mg/dL), just 20 minutes of activity can drop glucose by 2 mmol/L (≈40 mg/dL). That’s the “20 by 2” (or 20 by 40) rule. But, Grace said 8 years olds don’t want to hear 20 by 2! They want...
Suggest guests or get in contact Welcome to The Glucose Never Lies podcast In today’s episode, we explore a game-changing approach to glucose control—activity snacking. If you’ve ever struggled with post-meal spikes, found insulin too slow to bring down highs, or wondered how movement could help stabilise your blood glucose, this episode is for you. I’ll be sharing the latest research on how small, frequent movements can supercharge insulin, improve time in range, and reduce glucose hig...
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