In our modern medical landscape, we often find ourselves searching for complex solutions to chronic health issues, only to overlook the foundational elements that keep our cells functioning optimally. Dr. Sarah Myhill, a renowned British physician and expert in ecological medicine, argues that one of the most critical, yet frequently ignored, pillars of health is iodine. According to Dr. Myhill, we are facing a pandemic of iodine deficiency, and addressing this simple mineral can be a transformative step toward reclaiming your energy and long-term health.
The Silent Epidemic
Many of us associate iodine deficiency primarily with goiters—a visible enlargement of the thyroid gland. However, Dr. Myhill clarifies that a goiter is merely a late-stage symptom of a body that has been struggling for a long time. She emphasizes that there is not a single cell in the human body that does not require iodine to function. From supporting thyroid hormone production and brain health to fueling the immune system and protecting the heart, this mineral is indispensable. When we are deficient, we aren’t just at risk for specific thyroid conditions; we are compromising our biochemical efficiency across the board.
Why Standard Testing Falls Short
If iodine is so critical, why aren’t doctors routinely testing for it? Dr. Myhill points to a flaw in the conventional diagnostic approach. She notes that medical practitioners often rely too heavily on lab tests, which can foster an “intellectually idle” practice. Iodine needs vary based on individual clinical pictures, and tests for sufficiency often miss the mark because they don’t capture how the body utilizes the nutrient for different therapeutic goals. Instead of waiting for a lab result, Dr. Myhill advocates for looking at the whole patient history. Because iodine is remarkably safe, her philosophy focuses on a “start low and go slow” approach, allowing individuals to titrate their intake based on their specific health needs rather than relying on arbitrary ranges.
Solving the Upper Fermenting Gut
One of the most compelling aspects of Dr. Myhill’s protocol is her focus on the gut. She posits that anyone consuming a standard, carbohydrate-rich Western diet is likely dealing with an upper fermenting gut. Under healthy conditions, the stomach and small intestine should be relatively sterile, maintained by a highly acidic environment that kills microbes from our food and water. When we consume excess carbohydrates and frequent snacks, this environment becomes compromised, allowing bacteria and yeast to colonize the upper gut.
This fermentation process produces toxic byproducts, such as alcohols and ammonia, which drive inflammation and leaky gut. Dr. Myhill views iodine, alongside Vitamin C, as one of the best tools for controlling this microbial overgrowth. By implementing a ketogenic diet to starve the microbes and using iodine as a powerful antimicrobial agent, patients can often resolve chronic inflammatory conditions, including various arthritides and even skin issues, that stem from this hidden digestive imbalance.
Beyond the Thyroid: Iodine as a Therapeutic Tool
Dr. Myhill’s clinical experience demonstrates that iodine’s utility extends far beyond simple supplementation. She utilizes it for everything from treating acute infections to supporting patients with respiratory conditions like bronchiectasis. By using a “salt pipe”—a simple device that allows for the inhalation of iodine vapors—she helps patients manage chronic lung infections without the cycle of antibiotics and antifungals that can eventually lead to drug-resistant bacteria.
Furthermore, she highlights the topical application of iodine. Whether it’s an insect bite, a sting, or even a local tumor, iodine’s ability to contact-kill microbes at very low concentrations makes it an incredibly versatile, natural medicine. Her personal success in preventing anaphylaxis from a bee sting by painting the area with iodine is a testament to its potency as an emergency first-aid tool.
Embracing an Evolutionary Diet
To achieve true healing, Dr. Myhill suggests we look back at our evolutionary roots. She is a strong proponent of the ketogenic and, for many, the carnivore diet. The logic is simple: modern, plant-heavy diets are often loaded with anti-nutrients and toxins that plants produce to protect themselves from being eaten.
By centering our nutrition around meat, fish, and eggs, we effectively reduce the toxic load on our livers and eliminate the primary fuel source—carbohydrates—for gut fermentation. She cautions against dairy products, noting that they were never part of our ancestral diet after weaning. Beyond being growth-promoting (a concern for cancer risk) and highly allergenic, dairy also creates a calcium-to-magnesium imbalance that leaves many of us chronically deficient in magnesium. Moving toward an ancestral, low-carb way of eating is, in her view, the most frictionless path to recovery.
The Path Forward
Healing is rarely a quick fix; it is a life-long commitment. Dr. Myhill views life not as a battle, but as a war—one we must fight by consistently making choices that support our mitochondrial and cellular health. Whether it is adding a drop of Lugol’s iodine to your water, adjusting your diet to starve pathogens, or simply being more mindful of the environmental toxins we face, we all have the power to take control of our health.
Dr. Myhill’s mission is to empower individuals to become their own personal physicians. By providing the “rules of the game” and the tools of the trade, she hopes to demystify health and ensure that the vital information needed for longevity is accessible to everyone. If you have been struggling with unexplained fatigue, inflammation, or chronic illness, it may be time to stop looking for a pill and start looking at the basics: are your cells getting the energy and the minerals they need to fight for you?
You can find her here:
✅ Website: https://drmyhill.co.uk/
✅ Instagram: https://www.instagram.com/drmyhill/









