Feel Better, Live More with Dr Rangan Chatterjee

How To Use Food To Transform Your Health, Reverse Type 2 Diabetes & Improve Your Mood with Dr David Unwin #611

74 snips

Jan 14, 2026

Dr. David Unwin, an NHS GP and low-carb advocate, shares his journey of reversing his own type 2 diabetes and helping over 150 patients achieve drug-free remission. He discusses early signs of poor metabolic health, such as fatigue and brain fog, and emphasizes the impact of reducing starchy carbs. With insights on the importance of lifestyle changes, Unwin highlights the potential for dramatic health improvements, challenges the prevalence of metabolic issues today, and offers practical low-carb eating tips to make lasting changes.

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ADVICE

Eat Higher Protein, Whole Foods

Increase protein intake and prioritize nutrient-dense whole foods when cutting carbs.
Use full-fat dairy, butter or olive oil and plenty of green vegetables to stay satisfied.

INSIGHT

Dual-Fuel Physiology

Humans are dual-fuel engines and sustained high insulin prevents burning body fat.
Lowering carbs reduces insulin and enables fat burning and potential ketosis.

INSIGHT

Real-World Remission Data

In David's NHS practice, 50% of low-carb patients achieve drug-free remission at three years.
Average A1c improvements exceed metformin and only 2% worsen after three years.

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If you have ever struggled with your weight, low energy, pre-diabetes or even type 2 diabetes, this is a conversation that could change your life.

Dr David Unwin is an NHS GP who not only put his own type 2 diabetes into drug free remission, he has also helped over 150 patients do the same in a standard UK general practice – with ordinary people, on ordinary budgets, using food and lifestyle.

It’s estimated that around 7/8ths of the adult population are metabolically unhealthy, which means that only a tiny minority of us are truly metabolically well. And this is a serious issue because poor metabolic health is one of the root cause drivers of insulin resistance, type 2 diabetes, cardiovascular disease, strokes, Alzheimer’s and many forms of cancer. In fact, this is one of the main reasons why I co-founded Do Health https://drchatterjee.com/do-health/ - a personalised health companion, powered by your individual biology and lifestyle - as a way of helping people improve their metabolic health early, well before they get sick in the future.

In this week’s episode, we cover:

The early signs of poor metabolic health, and why symptoms like fatigue, belly fat and brain fog are often overlooked.
Why many issues we see as ‘normal ageing’ are actually signs of insulin resistance.
How David himself reversed his own type 2 diabetes and, at the same time, improved his mood, energy and cognition.
How reducing starchy carbohydrates if you have metabolic dys-regulation can dramatically improve blood sugar control
Why so many of us struggle with bread, pasta, and ultra processed foods – and how food addiction may be silently driving our behaviour.
The two women who helped David rethink everything he thought he knew about food, hope and healing
And why it’s never too late to work on your metabolic health and why doing so can change every aspect of your life.

One of the things I love most about David is his passion. He really is someone who genuinely wants to improve the health and lives of his patients and our hope is this conversation empowers you to make small changes that will improve your blood sugar, weight, energy, and ultimately, your future.

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Show notes https://drchatterjee.com/611⁠

DISCLAIMER: The content in the podcast and on this webpage is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your doctor or qualified healthcare provider. Never disregard professional medical advice or delay in seeking it because of something you have heard on the podcast or on my website.