In today’s fast-paced world, anxiety has become an almost constant companion. While psychotherapy and medication remain the pillars of treatment, a third, often overlooked factor is increasingly coming to the forefront: a healthy lifestyle centered on physical activity and a balanced diet. Modern science confirms that what we put on our plates directly affects our brain chemistry and our body’s ability to manage stress
The Gut-Brain Axis: Why Feelings Start in the Belly?
You may have heard of the “second brain” in our guts. There is constant communication between the gut and the brain, known as the gut-brain axis. If our digestive system is out of balance (dysbiosis), it can lead to chronic inflammation, which negatively affects mood and increases anxiety levels.
Conversely, a diet rich in probiotics (e.g., high-quality yogurts, kefirs, or fermented vegetables) supports a healthy microbiome, which can lead to greater emotional stability.
Key Nutrients for Fighting Anxiety
Certain substances in food act as natural “calmers” for the nervous system:
- Magnesium: This mineral is crucial for relaxing both muscles and nerves. Chronic stress and high cortisol levels quickly deplete its reserves in the body. It can be found in pumpkin seeds, spinach, or high-quality cocoa.
- Omega-3 Fatty Acids: These are essential for the proper function of neurotransmitters and for reducing inflammation in the brain. Rich sources include fatty fish (salmon, mackerel), walnuts, and flaxseeds.
- Tryptophan: An amino acid that is a precursor to serotonin – the so-called “happiness hormone.” It is found in bananas, eggs, turkey, and nuts.
- B-group Vitamins: These are essential for energy production and neurotransmitter synthesis. Their deficiency, often caused by the use of certain medications, can lead to fatigue and worsening of anxiety states.
Beware of the Western Dietary Pattern
On the other hand, our psychological well-being is harmed by the so-called Western dietary pattern. To minimize the risk of developing anxiety, it is advisable to avoid ultra-processed foods and products that contain concentrated amounts of sugar, caffeine, or alcohol.
- Ultra-processed foods: Fast food and convenience foods contain substances that promote inflammatory processes in the body, which has been proven to worsen anxiety.
- Sugar: While sweets temporarily increase dopamine levels and “soothe” us, they are followed by a sharp drop in energy and a decline in mood.
- Caffeine and Alcohol: While caffeine can trigger heart palpitations and feelings of panic in sensitive individuals, alcohol – often used for “self-medication” of anxiety – significantly worsens psychological health and disrupts sleep in the long term.
Practical Steps to Calmness
The Mediterranean diet has the most evidence for supporting mental health. It is based on fresh vegetables, fruit, legumes, nuts, and olive oil. Regularity is also important – skipping meals, especially breakfast, leads to fluctuations in blood sugar levels, which the body interprets as a stress signal, potentially responding with anxiety.
While a change in diet does not replace professional help, it can be a powerful tool to gain more control over your anxiety and support the overall regeneration of your organism.
Sources used
- Jacka, F. N., et al. (2017). A randomised controlled trial of dietary improvement for adults with major depression (the ‘SMILES’ trial). BMC Medicine.
- Gómez-Pinilla, F. (2008). Brain foods: the effects of nutrients on brain function. Nature Reviews Neuroscience.
- Grajek, M., et al. (2022). Nutrition and mental health: A review of current knowledge. Frontiers in Nutrition.
- Onaolapo, O. J., & Onaolapo, A. Y. (2021). Nutrition, dietary deficiencies and schizophrenia. World Journal of Clinical Cases.
- Parletta, N., et al. (2019). A Mediterranean-style dietary intervention supplemented with fish oil improves diet quality and mental health in people with depression. Nutritional Neuroscience.
- Zielińska, M., et al. (2023). Dietary Nutrient Deficiencies and Risk of Depression. Nutrients.
