Hashimoto’s causes: what are possible triggers for Hashimoto’s thyroiditis?

In conventional medicine, there is currently more and more speculation about the possible causes for the development of Hashimoto’s thyroiditis. Unfortunately, to this day there is no clear answer to this question.

However, the suspicion is close that presumably genetic components could play a role in the development of Hashimoto’s thyroiditis. However, functional medicine and experience teaches us that other factors lead much more frequently to the autoimmune disease Hashimoto’s thyroiditis.

Environmental toxins in the form of heavy metals put a considerable strain on the human immune system, severely damage the intestines and cause a whole range of nutrient deficiencies, so that these are also at the top of the search for causes. First and very interesting approaches to this can be read in the medical journal . Thieme provides the appropriate study .

The gut and nutrition always play a key role in autoimmune diseases. Gluten and an allergenic, sugar-excess diet irritate the intestines enormously and quickly cause leaky gut syndrome, which inevitably throws the immune system off the rails. The situation is similar with candida albicans. This intestinal fungus also makes the intestine permeable and ensures an overactive immune system.

Borrelia and the Epstein-Barr virus should also not be underestimated. All potential ways to trigger an autoimmune disease like Hashimoto’s thyroiditis.

But first, let’s take a closer look at the possible suspects:

Diet: Sick gut = sick person!

A healthy intestinal flora is of inestimable value for well-being and the immune system. About 70% of the body’s defense cells can be found in the intestines.

These defense cells are located in the mucosa (intestinal mucosa) and produce the immunoglobulins required for defense, which the organism needs for its defense system to ward off potential attackers.

The bacterial diversity in the intestine is responsible for many essential metabolic processes. Intestinal bacteria produce enzymes and vitamins such as vitamin B12, folic acid and vitamin K.

The peristalsis (natural intestinal movement) is stimulated by the metabolic products of lactobacilli and bifidobacteria. This leads to a short intestinal transit time, which is important for rapid detoxification and elimination.

These intestinal bacteria ideally feed on fiber. Due to our one-sided and high-sugar diet, the good intestinal dwellers have a hard time and are quickly pushed back by pathogenic germs. A dysbiosis develops.

This often leads to a candida infestation, leaky gut or even small intestinal overgrowth, which is accompanied by severe symptoms.

With leaky gut, food intolerance develops, the liver becomes overloaded, autoimmune diseases are triggered and much more. Once you are in this downward spiral, it becomes very difficult to get out. Unfortunately, I had to experience this first hand.

Most of those affected try to get the problem under control with tablets, if it is recognized at all, but usually only see a  radical change in diet  as the only true therapeutic measure much too late.

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In my opinion, sugar and all grains must be eliminated from the diet and replaced with fish, meat, fruits and vegetables to have any chance of healing the colon.

For detailed information on nutrition for Hashimoto’s thyroiditis, see Nutrition for Hashimoto’s Thyroiditis: The Most Important Step Towards Recovery! ”

Gluten (glue protein) as a cause of Hashimoto?

Most people with an autoimmune disease usually also have one thing in common: intestinal problems!

Since the majority of our immune system is found in the gut, it makes sense to take a closer look at the gut. Gluten (glue protein) consists of glutenin and gliadin and is therefore a protein mixture that occurs in almost all types of grain.

Mixing gluten with water creates a very sticky and viscous mass. This gluten protein is very popular among bakers because it   offers many advantages when baking bread and rolls . It holds the dough together and makes it supple for subsequent processing. In addition, it ensures a delicious, visual appearance of the baked goods.

For the human intestine, however, gluten is a complete disaster, as it binds to the small intestinal wall and thus leads to immune disorders and intestinal problems. Depending on the sensitivity, duration and amount of gluten consumed over the years, a so-called leaky gut can develop in which the intestinal mucosa becomes permeable.

With leaky gut, proteins, bacteria, viruses and food components get into the blood and create chaos throughout the body.

Above all, the immune system gets major problems, which can lead to food intolerance and autoimmune diseases. The immune reaction against gluten often leads to severe inflammatory processes in the intestine and continuous destruction of the intestinal villi.

Since the protein building block gliadin is very similar to thyroid tissue, the immune system not only begins to attack the gluten components floating around in the blood, but also the healthy thyroid tissue.

After telling a baker and pastry chef friend of mine about my gluten problems, he surprised me with staggering and frightening numbers. According to his statement 10 years ago, 10% gluten was added to 1kg of flour.

Nowadays, however, it is up to 50% gluten !!! So it’s hardly surprising to me why almost everyone I know personally suffers from intestinal problems and food intolerances. Basically everyone should avoid gluten, but people with intestinal problems, allergies, food intolerances and autoimmune diseases should definitely avoid gluten completely .

Candida fungal infection as a cause of Hashimoto?

Due to excessive sugar consumption, heavily modified ready meals, heavy metal pollution and micronutrient deficiencies, the Candida fungus likes to take over the upper hand in the human intestine. And mostly without us noticing anything at first.

However, if the intestinal flora is weakened to such an extent that the intestinal fungus can spread undisturbed, many problems arise that conventional medicine still cannot do much with.

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The fungus produces fusel alcohols, toxins and antigens, which put an enormous strain on the liver and the organism and cause a wide variety of complaints.

Apart from that, the Candida fungus destroys the mucous membranes of the small intestine, which in turn can lead to leaky gut, various food intolerances and histamine intolerance, because the diamine oxidase (DAO) required to lower histamine is produced in the small intestine.

If the small intestine is affected, this process does not work properly and you have major problems with foods containing histamine such as beer, champagne, salami and tomatoes.

Since the fungus is very difficult to detect in the stool, it unfortunately means nothing at all if a stool test for Candida is negative. See  Candida Albicans – An Intestinal Fungus That Can Lead to Autoimmune Diseases for more details .

HPU / KPU (hemopyrrolic actamuria) as a cause of Hashimoto?

HPU is an acquired or genetically determined metabolic disorder in which the body is unable to retain and utilize zinc, vitamin B6 and manganese.

This means that the body is no longer able to detoxify and maintain the immune system due to the zinc deficiency.

This opens the gates for viruses, bacteria and parasites and puts an enormous strain on the organism.

Zinc is also heavily involved in digestion. The pancreas needs very high amounts of zinc to do its job. The intestinal mucosa depends on adequate amounts of zinc.

If there is not enough zinc available, the intestinal mucosal barrier breaks down and the so-called permeable intestine (leaky gut) develops. As a result, food components enter the bloodstream, which in turn leads to immune reactions.

The immune system gets out of joint. HPU can be genetic, but is also often the cause of heavy metal exposure, which closes the loop and you can quickly see that heavy metals are usually the main cause of Hashimoto’s thyroiditis.

Detailed information on HPU / KPU can be found at:  HPU / KPU – A metabolic disorder with fatal consequences

Heavy metal pollution as a cause of Hashimoto?

Heavy metal pollution is an absolutely underestimated problem in our time and not only people with amalgam fillings often suffer from heavy metal poisoning. Most of the heavy metals we take in come from food and air.

Heavy metals such as lead and mercury are contained in almost all emissions from combustion and production processes, with the energy industry bringing the most heavy metals into circulation through its use of fuel.

In second place, road traffic is responsible for the current high level of shearing metal pollution. Abrasion from tires and brake pads plays a decisive role here and has been shown to cause significantly increased zinc, copper and lead emissions, especially in urban areas.

Wind and rain distribute the heavy metals in the form of fine dust over bodies of water, soil and plants, ensure contaminated fish, grazing animals and crops and ultimately end up on our plates in the form of food.

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Heavy metals are not only inherently toxic, they also damage nerves and organs. They also block all enzymes and metabolic processes in the human body. Receptors to which vital micronutrients such as iron,  zinc  and magnesium should normally dock are also blocked by mercury, aluminium, lead, arsenic, cadmium or other heavy metals.

This puts the body in a state of deficiency, which in turn weakens the organs and, above all, the immune system. In addition, heavy metals eliminate the healthy intestinal bacteria in the intestine, thus weakening the immune system and opening the gates for fungi (Candida), parasites and viruses.

The destroyed intestinal flora and the lack of micronutrients also promote the development of  leaky gut , which misdirects the immune system and leads to autoimmune disease. Heavy metal pollution is therefore the main cause for the development of autoimmune diseases and Hashimoto’s thyroiditis.

Stress makes you ill – A cause for Hashimoto?

The human body has to regulate itself almost constantly through controlled expansion and contraction.

Depending on the situation, fear, tiredness or exertion, the muscles react with contractions.

This function controls the emotional situation and prevents the organism from being flooded with too many emotions and feelings.

Too much flooding would eventually lead to panic and fear or even cause physiological problems.

Symptoms like…

  • sleep disorders
  • chronic inflammation
  • severe exhaustion
  • chronic headaches
  • depressions
  • susceptibility to infection

… often arise simply from constant, chronic tension. In most cases, however, doctors only treat the symptoms with medication, so that the cause is not eliminated. The patient’s tension continues to be driven and a difficult cycle develops.

Especially if you don’t just think about the psychological stress, but also consider that food intolerance, for example, can lead to chronic inflammation in the intestines. This usually leads to significantly higher stress than the level that occurs with psychological stress.

Basically that’s what happened to me. After the intestines have been put under too much stress, massive stress has arisen. This has overloaded the adrenal glands, resulting in adrenal fatigue .

In order to be able to continue to supply the body with energy, the thyroid had to work overtime. Until the thyroid was overloaded. Everything is connected, but is only treated in isolation and can therefore not lead to healing.


There are many possible triggers and causes of autoimmune diseases, but one thing stands out in particular: the intestines almost always play a key role and should be involved much more intensively in diagnostics and therapy if the aim is to help people with autoimmune diseases in the long term. A healthy lifestyle combined with a clean, allergen-free and wholesome diet is one of the essential measures in the fight against Hashimoto’s thyroiditis.

Afterwards, it should be looked at which of the possible causes mentioned could come into question for you personally. You should then have them examined one after the other in order to unmask your personal cause.

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