How healthy eating boosts serotonin and leads to better mental health
- Jane Randall
- Apr 3
- 2 min read
The importance of the gut-brain connection in mental wellbeing

The gut-brain connection is an emerging area of research that reveals how our digestive system can significantly influence our mental health. This connection is built on the communication between the gut and the brain through the vagus nerve, a crucial part of our nervous system. Our gut is home to trillions of bacteria that play a major role in maintaining both physical and mental well-being. These gut bacteria produce a variety of substances, including neurotransmitters, that affect our mood and cognitive function. When the balance of bacteria is disrupted, it can lead to a range of mental health issues, such as anxiety, depression, and stress.
One of the most important neurotransmitters in this connection is serotonin, often referred to as the “happy hormone.” About 90% of serotonin is produced in the gut, and it plays a key role in regulating mood, sleep, and appetite. Low levels of serotonin have been linked to conditions like depression and anxiety. When we consume a diet rich in fibre, probiotics, and other nutrients, we support the growth of healthy gut bacteria, which in turn helps maintain balanced serotonin levels. This can help regulate our mood and promote better mental health.
About 90% of serotonin is produced in the gut, and it plays a key role in regulating mood, sleep, and appetite.
A poor diet, on the other hand, can exacerbate mental health issues. Diets high in processed foods, refined sugars, and unhealthy fats can disrupt the balance of the gut microbiome, leading to an increase in inflammation and the growth of harmful bacteria. This imbalance can trigger or worsen mental health problems. Research shows that a diet lacking in essential nutrients, such as omega-3 fatty acids, vitamins, and minerals, can negatively affect the brain’s function, leading to symptoms of depression, anxiety, and cognitive decline. Additionally, poor gut health can contribute to a leaky gut, allowing toxins to enter the bloodstream and further increasing inflammation, which may affect brain function and mood regulation.
In recent years, gut-directed hypnotherapy has gained recognition as an effective treatment for various gastrointestinal and mental health conditions. This type of therapy uses hypnosis to help patients reduce stress, improve digestion, and promote relaxation by focusing on the gut-brain connection. Medical studies have shown that hypnotherapy can improve symptoms of irritable bowel syndrome (IBS), anxiety, and depression, as it helps regulate the gut’s stress response and enhances the overall balance of the gut microbiome.
Eating a healthier diet can further complement the hypnotherapy process. By providing the body with the right nutrients, it enhances the gut’s ability to produce the necessary neurotransmitters for mental well-being. A balanced diet rich in fruits, vegetables, fermented foods, and whole grains can optimise the gut’s function, supporting the positive effects of hypnotherapy. Together, a healthy diet and hypnotherapy can create a powerful approach to improving both gut health and mental well-being, leading to a healthier, happier mind and body.
Find out how hypnotherapy can help you. Call 07712 604607 for more info, or to book a consultation.
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