The Gutology Podcast

Ollie Gallant

Optimise your gut.

  • 51 minutes 37 seconds
    Why We Built Gutology: The Future Is Alive

    In this episode, we share the origin story of Gutology, how years of digestive issues, antibiotic use, and scepticism led to a complete rethink of health, bacteria, and modern living.

    We explore the connection between the gut, oral microbiome, immune system, and home environment and why the cultural obsession with “killing 99.9% of bacteria” may be working against us.

    We also discuss:

    -How oral health links to systemic inflammation

    -Why Western lifestyles are shrinking microbial diversity

    -The philosophy behind microbiome-first oral care

    -What low-tox living looks like in the real world

    -This is the story behind the brand and why we believe the future of health isn’t sterile. It’s symbiotic.

    For studies, products, and further reading, see the show notes below.

    You can also subscribe to our Weekly Digest at gutology.co.uk.

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    27 February 2026, 4:56 pm
  • 1 hour 2 minutes
    The Future of Healthcare: From 10-Minute Appointments to Whole-Body Healing

    The Future of Healthcare: From 10-Minute Appointments to Whole-Body Healing

    What if healthcare gave you time to tell your whole story?

    In this episode of the Gutology Podcast, Julia is joined by Andie Siggers and Dr Priya Bhana, founders of Mosaic Medical, to explore a different way of working with chronic and complex health conditions.

    After years as NHS GPs, the Mosaic team noticed a familiar pattern: patients cycling through appointments, referrals, and prescriptions without anyone stepping back to ask what might be driving the pattern underneath. Functional medicine offered a broader lens: not a rejection of conventional care, but an expansion of it.

    Together, we explore:

    • Why chronic illness is rarely about one system — or one diagnosis

    • How gut health, hormones, immunity, pain, fatigue, and mood are deeply connected

    • The role of stress, trauma, and nervous system regulation in physical symptoms

    • Why medication doesn’t need to be “all or nothing”

    • How root-cause medicine builds understanding, not just labels

    • Why healing is a process, not a protocol

    • Navigating health information, AI, and testing without overwhelm

    A recurring message throughout the conversation is simple but powerful: symptoms are signals. When we learn how to interpret them- rather than silence them- real change becomes possible.

    If you’ve ever felt stuck in a loop of “normal results” but ongoing symptoms, this episode offers insight, validation, and a grounded sense of hope.


    You can find Julia on Instagram @juliadavies_nutrition.





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    30 January 2026, 9:08 am
  • 1 hour 23 minutes
    The Mouth–Body Connection: How Oral Health Impacts the Entire Body with Dr James Goolnik

    What if your mouth was the missing link in your overall health?

    In this episode, dentist James Goolnik shares why oral health is about far more than brushing, flossing, and fillings and how the mouth acts as a powerful gateway to the gut, brain, sleep, and long-term wellbeing. Drawing on over 25 years of clinical experience, James explains how modern dentistry is shifting from “drill and fill” to a truly functional, whole-body approach.

    We explore the oral microbiome, bleeding gums, snoring and sleep apnoea, tooth grinding, nutrition, blood sugar, stress, and why many chronic health issues may start in the mouth. James also breaks down practical, evidence-based tools you can use right away from tongue scraping and mouth taping to smarter brushing, sleep tracking, and personalised dental care.

    This conversation connects dentistry, functional medicine, and lifestyle medicine in a way that will completely change how you think about your teeth and your health.

    In this episode, we cover:

    • Why the mouth is the gateway to the gut and brain

    • The oral microbiome and chronic inflammation

    • Bleeding gums, “leaky gums,” and systemic disease

    • Sleep, snoring, sleep apnoea, and dental solutions

    • Tooth grinding, stress, and nutrient deficiencies

    • Sugar, snacking, blood glucose, and dental health

    • Why mouthwash may be doing more harm than good

    • Simple daily habits to protect your teeth for life

    Whether you’re interested in gut health, longevity, functional medicine, or preventative care, this episode will give you a completely new perspective on oral health and why it matters far beyond your smile.

    You can find James on Instagram @jamesgoolnik and as always, Julia is @juliadavies_nutrition.

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    23 December 2025, 1:40 pm
  • 58 minutes 2 seconds
    From Soil to Self: The Microbes That Heal Us from the Ground Up

    This week, Julia sits down with Katie Ward, Managing Director at Microbz, to explore how soil microbes could be the missing link between planetary and human health

    From the hidden effects of glyphosate to how reconnecting with nature can restore both soil and gut ecosystems, this episode dives deep into the biology of balance and the microbes that heal us from the ground up.

    01:00 – Katie shares how Microbz began and the link between soil microbes and human health

    02:21 – The shocking truth about what pesticides do to soil life

    05:05 – Julia explains how glyphosate disrupts our microbiome and protein synthesis

    07:01 – Why rebuilding soil biodiversity could be the key to reversing chronic disease

    13:00 – The cost of modern food systems & why nutrient density matters more than ever

    20:00 – Grounding, gardening & reconnecting with the soil: nature’s immune therapy

    23:00 – Katie’s personal story: using microbes to heal her daughter’s gut health

    35:00 – Inside the Microbz fermentation process: how living cultures are brewed like nature intended

    40:00 – Julia & Katie on microbial balance and why 80% of microbes are “swing voters”

    55:00 – Their shared vision: restoring soil, restoring health


    Try Microbz with 20% off and a free shot glass here: https://microbz.co.uk/products/revive-starter-kit



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    7 November 2025, 1:28 pm
  • 1 hour 6 minutes
    The Hidden Triggers of Autoimmunity | Julia Davies & Muriel Wallace-Scott

    Functional medicine practitioner Julia Davies sits down with nutritional therapist Muriel Wallace-Scott to unpack how the immune system really works, reveal the hidden triggers behind rising autoimmune conditions, and share practical strategies to calm inflammation and support lasting health.


    00:39 Muriel’s Journey

    02:43 Examples of Autoimmune Conditions

    03:45 Hashimoto’s Disease

    04:56 Anti-TPO and Anti-TG Tests

    05:39 The Role Of The Autoimmune System

    07:25 The Hygiene Hypothesis

    10:08 How Screens and Snacks Are Gutting Your Immune System

    11:23 How Dirt and Dogs Supercharge Your Microbiome

    12:38 Intestinal Permeability & Bodily Barriers

    15:56 Environmental Triggers

    18:38 UTIs & Dysbiosis

    19:34 How Does The Body’s Autoimmune Response Work?

    21:33 Vitamin D Deficiency

    24:32 You Can’t Out-Supplement Unhealthy Habits

    25:50 Can The Body Really Heal Itself?

    28:10 Caller 1 - Is Glutathione Helpful For Crohn’s Disease?

    34:22 Caller 2 - Ever Since My Root Canal, I’ve Felt Awful

    43:06 Autoimmune Clinic Consultation Overview

    45:21 Muriel's Approach To Testing

    46:19 Test Results: Save Copies

    47:36 No-Cost Tips for Managing Autoimmune

    50:38 Stress, Sleep & Blood Sugar

    52:42 Small Habits, Massive Impact

    53:31 Are Supplements Truly Essential?

    55:02 Some Key Nutrients

    57:23 Record Your Timeline

    58:50 Track Your Symptoms

    01:00:10 Why Protecting Your Nervous System Matters


    Follow Julia: ⁠⁠⁠⁠@juliadavies_nutrition⁠⁠⁠ ⁠

    Follow Dr Seb: ⁠⁠⁠@autoimmune.clinic 


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    10 October 2025, 8:00 am
  • 54 minutes 48 seconds
    Oral Health Debate: Fluoride, Hydroxyapatite & Your Microbiome | Julia Davies & Dr Seb Lomas

    Functional medicine practitioner Julia Davies chats with biological dentist Dr. Seb Lomas about the oral microbiome, the fluoride vs. hydroxyapatite debate, and how oral health can shape your gut health - and beyond. Discover the surprising ways your mouth impacts your whole body.


    In this episode:

    00:00 Intro

    01:07 What Is Biological Dentistry?

    02:47 Putting Patients First

    05:46 The Mouth-Body Connection

    11:00 Can Adults Restore Their Oral Health?

    12:56 Fascia: Tongue Tied To The Body

    17:49 Why Are We Seeing So Many Tongue Ties?

    18:39 Your Body Is Designed To Recover

    20:21 Dr Seb’s Journey

    23:54 What You Really Need To Know About Nutrition

    25:55 Minerals, Electrolytes & Unfiltered Water

    27:41 Can The Oral Microbiome Be Tested?

    35:25 Why Dr Seb Uses Gutology Toothpaste

    36:20 What Mouth Breathing Does to Your Saliva

    38:54 Recognising The Signs Of Mouth Breathing

    40:44 What Is Hydroxyapatite?

    41:43 Hydroxyapatite vs. Fluoride

    43:22 The Truth About Natural Toothpastes

    43:57 How Much Hydroxyapatite Is Clinically Effective?

    45:04 Is Your Mouthwash Disrupting Your Oral Microbiome?

    47:08 Daily Habits To Improve Oral Health

    49:30 Coconut Oil Pulling

    51:33 Nighttime Oral Routine


    Follow Julia: ⁠⁠⁠@juliadavies_nutrition⁠⁠ ⁠

    Follow Dr Seb: ⁠⁠@biological_dentist


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    21 August 2025, 3:40 pm
  • 1 hour 28 minutes
    The Gut-Hormone Link: Tiny Habits, Big Changes | Julia Davies & Vivien Allred

    Julia Davies is joined by nutritional therapist Vivien Allred to explore the fascinating connection between your gut and your hormones – and how the environment around you could be silently shaping your hormonal health. From the products in your bathroom to the stress in your daily routine, Vivien and Julia unpack the everyday factors that can throw your gut (and hormones) out of balance. You’ll also hear real-life stories from our listeners that bring this powerful connection to life – plus simple, sustainable changes you can start making today. In this episode:

    00:00 Vivien’s Personal Health Journey

    18:44 Healing From Trauma: You CAN Get Better

    21:10 Why The Nervous System Matters

    23:43 The Hidden Downsides of the Contraceptive Pill

    25:51 How the Pill Impacts Your Gut Microbiome

    29:45 Listener Call: Real-Life Gut-Hormone Story

    34:46 Understanding the Cell Danger Response

    36:48 Why Circadian Rhythms Are Key to Hormonal Health

    39:13 A Functional Detox Protocol for Mould Exposure

    41:16 The Link Between Histamine and Oestrogen

    49:15 Mould’s Surprising Impact on the Gallbladder

    51:08 The Visual Sensory Contrast Test

    53:31 What Are MARCoNS?

    55:05 The Gut-Hormone Connection Explained

    01:00:45 How Environmental Disruptors Affect Your Hormones

    01:06:12 Mindset Shifts That Support Hormonal Balance

    01:14:58 Periods 101: Understanding the Phases of Your Cycle

    01:20:31 Final Thoughts & Practical Tips You Can Start Today


    Follow Julia: ⁠⁠@juliadavies_nutrition⁠⁠ 

    Follow Vivien: ⁠@vivanaturalhealth


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    3 July 2025, 10:00 am
  • 1 hour 4 minutes
    Gut vs. Brain: Who’s Really In Charge? | Julia Davies & Hannah Richards

    Julia Davies is joined by gut health nutritionist Hannah Richards to explore the fascinating connection between your gut and your brain – and how the nervous system plays a crucial role in how your gut functions. From anxiety and stress to acid reflux and bloating, they unpack why your emotional health might be showing up in your digestion – and what you can do about it.


    In this episode:

    00:00 What Is The Gut-Brain Axis?

    06:13 Getting To The Root Cause

    10:17 Elimination Diets

    14:45 Acid Reflux & Regulating The Nervous System

    20:41 Hannah's Story - The Best Possible You

    24:39 Parasites

    28:45 Caller 1 - IBS & GERD

    41:25 Caller 2 - Diarrhoea & Cognitive Issues

    47:57 Caller 3 - Bloating & Reflux

    54:57 Conclusion & Top Tips


    Follow Julia: ⁠@juliadavies_nutrition⁠ 

    Follow Hannah: @thegutclinic


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    27 May 2025, 11:12 am
  • 1 hour 13 minutes
    What Psoriasis Reveals About Your Gut Health | Julia Davies & Emma Gould

    In this episode, Julia Davies is joined by nutritional therapist and psoriasis expert Emma Gould to explore the powerful connection between gut health and skin conditions - including real stories from people who’ve lived with psoriasis firsthand.


    In this episode:

    00:00 Emma's Experience With Psoriasis

    04:43 What Is Psoriasis?

    05:35 Autoimmunity

    08:55 The Gut-Skin Connection

    15:11 Cortisol & The Parasympathetic Nervous System

    19:47 Caller 1 - Light Therapy & Epsom Salts

    31:57 Caller 2 - Adaptogens

    46:11 Caller 3 - Restrictive Diets & Histamine Overload

    58:37 Conclusion & Top Tips


    Follow Julia: @juliadavies_nutrition Follow Emma: @nutritionbyemma


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    7 May 2025, 10:13 am
  • 1 hour 25 seconds
    Coeliac Disease & Gluten-Reactive Disorders with Robyn Puglia

    Clinical Nutritional Therapist Robyn Puglia specialises in the field of coeliac disease, gluten-reactive disorders and autoimmune disease. Her deep enthusiasm for the realms of functional medicine inspired her to establish her own lifestyle intervention clinic, where she helps patients harness the nourishing potential of food to support their bodies on their healing journey.

    Find out more about Robyn here: https://robynpuglia.com/about/

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    26 October 2023, 8:00 am
  • 47 minutes 45 seconds
    Diversity, Managing Stress & Ecological Influences with Sophie Medlin

    In this week's episode, we sit down with consultant dietitian, Sophie Medlin. Sophie began her career specialising in gastrointestinal diseases before moving into academia and delivering lectures at Plymouth University and King’s College London. She now runs her clinic practice City Dietitians in London, designs vitamins and probiotics and has worked on the Channel 4 gut health series, Know Your Sh**.

    Find out more about Sophie here: https://www.citydietitians.co.uk/team/sophie-medlin

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    28 September 2023, 11:14 am
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