When it comes to managing anxiety, therapy and medication often take centre stage. But there is another powerful tool within everyone’s reach: the food on your plate. Eating to reduce anxiety is not about following strict rules or eliminating entire food groups. It is about making small, consistent choices that nourish both your body and mind, helping you feel calmer, more grounded, and better equipped to handle life’s challenges. At Abbey Wood Hospital, our dietitian services can provide personalised nutritional guidance to support your mental wellbeing alongside any other treatment you may be receiving.
In This Article
Anxiety disorders affect a significant proportion of the population. According to the World Health Organization, nearly 264 million people worldwide experienced anxiety disorders in 2015, representing a 15% increase over the previous decade. Whilst professional treatment remains essential for clinical anxiety, research increasingly shows that dietary choices can meaningfully support mental health. According to guidance from Mind, the mental health charity, what we eat affects how we feel, and making positive changes can be a helpful part of looking after our mental wellbeing.
The Gut-Brain Connection
To understand how eating to reduce anxiety works, it helps to know about the remarkable connection between your gut and your brain. Your gut contains over 100 million neurons, the largest concentration of nerve cells outside the brain itself. Even more striking, your gut produces more than 90% of your body’s serotonin, the neurotransmitter that regulates mood, sleep, and feelings of calm.
Think of the gut-brain axis as a high-speed fibre-optic cable connecting two major offices. If the “gut office” is cluttered with pro-inflammatory processed foods, the data it sends to the “brain office” becomes corrupted, causing your internal system to glitch in the form of anxiety, irritability, or low mood. Keeping your gut healthy through good nutrition ensures a clear signal for a calmer mind.
Research shows this connection has measurable effects. Individuals following a pro-inflammatory diet are 66% more likely to experience anxiety disorders compared to those eating anti-inflammatory foods. This association is particularly strong in women, who face an 80% increased risk of anxiety when consuming pro-inflammatory foods. For more on how certain foods can trigger anxiety, see our detailed guide.
Foods That Help Reduce Anxiety
Certain nutrients have been specifically linked to reduced anxiety and improved stress resilience. Incorporating these into your regular diet can support calmer mental states over time.
Omega-3 Rich Foods
Omega-3 fatty acids play a crucial role in brain function and mood regulation. A study on medical students found that taking 2.5g per day of omega-3 polyunsaturated fatty acids resulted in 20% less anxiety compared to a control group. You can boost your omega-3 intake by eating oily fish such as salmon, mackerel, sardines, and trout two to three times per week. Plant sources include flaxseeds, chia seeds, walnuts, and hemp seeds.
Magnesium-Rich Foods
Magnesium helps regulate the stress response and supports healthy nervous system function. Research shows that a combination of magnesium (300mg) and Vitamin B6 (30mg) achieves significantly greater stress reduction in severely stressed adults than magnesium alone. Good sources include dark leafy greens such as spinach and kale, nuts and seeds, legumes, whole grains, and dark chocolate.
Tryptophan-Containing Foods
Tryptophan is an amino acid essential for producing serotonin, your body’s natural mood stabiliser. Foods rich in tryptophan include eggs, oats, cheese, turkey, chicken, nuts, seeds, and tofu. Combining these with complex carbohydrates helps tryptophan reach the brain more effectively.
Fermented Foods
Fermented foods support a healthy gut microbiome, which in turn supports mental wellbeing through the gut-brain axis. According to the British Dietetic Association’s guidance on food and mood, including fermented foods in your diet may help support good mental health. Try natural yoghurt with live cultures, kefir, sauerkraut, kimchi, miso, and kombucha.
Complex Carbohydrates
Unlike refined carbohydrates that cause blood sugar spikes and crashes, complex carbohydrates provide steady, sustained energy that helps stabilise mood. They also support serotonin production in the brain. Good choices include whole grains such as oats, brown rice, and quinoa, sweet potatoes, legumes, and vegetables.
Herbal Teas for Calming the Mind
Beyond solid foods, certain herbal teas have been studied for their calming properties and can be a soothing addition to an eating to reduce anxiety approach.
Chamomile Tea
Chamomile has been used for centuries as a natural remedy for anxiety and sleep problems. Research shows that long-term use can significantly reduce symptoms of Generalised Anxiety Disorder (GAD). A warm cup of chamomile tea before bed can support both relaxation and better sleep quality.
Passionflower Tea
Studies indicate that passionflower can improve sleep quality and help manage anxiety symptoms. It works by boosting levels of GABA, a calming neurotransmitter in the brain. Passionflower tea is caffeine-free, making it suitable for drinking throughout the day or in the evening.
Lemon Balm Tea
Lemon balm (Melissa officinalis) has been shown to be effective in reducing anxiety and depression symptoms, likely by increasing GABA levels in the brain. It has a pleasant, mildly citrusy flavour and can be enjoyed hot or cold.
Green Tea (Decaffeinated)
Green tea contains L-theanine, an amino acid that may reduce anxiety and promote relaxation without causing drowsiness. However, regular green tea also contains caffeine, which can worsen anxiety in some people. If you are sensitive to caffeine, choose decaffeinated versions to get the benefits of L-theanine without the stimulant effects.
Foods and Drinks to Limit
Just as some foods support calm, others can contribute to anxious feelings. Being mindful of these can help you make better choices.
Caffeine
Caffeine is a stimulant that can mimic and worsen anxiety symptoms, including racing heart, jitteriness, and restlessness. A meta-analysis confirmed that caffeine intake exceeding 400mg per day causes a highly significant increase in anxiety risk. For context, a single large coffee from many high-street chains can contain 300mg to 475mg of caffeine, potentially exceeding the daily limit in one drink. If you experience anxiety, consider gradually reducing caffeine intake or switching to decaffeinated alternatives.
Alcohol
Whilst alcohol may initially feel relaxing, it disrupts sleep quality and can cause rebound anxiety as it leaves your system. Regular consumption can worsen anxiety over time and interfere with the effectiveness of anxiety treatments.
Refined Sugars and Processed Foods
Foods high in refined sugar cause rapid blood sugar spikes followed by crashes, which can trigger symptoms that feel like anxiety, including shakiness, irritability, and difficulty concentrating. Ultra-processed foods are also associated with increased inflammation, which research links to higher anxiety risk.
Eating Patterns That Support Mental Health
Beyond what you eat, how you eat can also influence anxiety levels. These patterns support steadier mood and energy throughout the day.
Eat Regular, Balanced Meals
Skipping meals or going long periods without eating can cause blood sugar drops that trigger anxiety-like symptoms. Aim for three balanced meals per day, with healthy snacks if needed, to maintain steady energy levels. Each meal should ideally include protein, healthy fats, and complex carbohydrates.
Practice Mindful Eating
Eating slowly and paying attention to your food can reduce stress and improve digestion. Put away phones and screens during meals, chew thoroughly, and notice the flavours, textures, and sensations of eating. This simple practice can transform meals into moments of calm in a busy day.
Stay Hydrated
Even mild dehydration can affect mood and cognitive function. Aim to drink water regularly throughout the day. Herbal teas count towards your fluid intake and can offer additional calming benefits.
Practical Tips for Getting Started
Making dietary changes does not need to be overwhelming. Start with small, sustainable steps that you can build upon over time.
Begin by adding one portion of oily fish per week if you do not currently eat it. Swap your afternoon coffee for chamomile or lemon balm tea. Include one fermented food in your diet, such as natural yoghurt with breakfast. Keep healthy snacks available to prevent blood sugar dips, such as nuts, seeds, or fruit with nut butter. Try one new leafy green vegetable each week to boost your magnesium intake.
Remember that eating to reduce anxiety is about consistent small choices rather than dramatic overhauls. Give any changes at least a few weeks to notice their effects, and focus on overall dietary patterns rather than individual foods.
Frequently Asked Questions
How quickly can dietary changes affect anxiety?
Some changes, such as reducing caffeine, may produce noticeable effects within days. However, the broader benefits of improved nutrition typically become apparent over several weeks as your gut microbiome adjusts and nutrient levels optimise. Consistency is more important than speed.
Can diet alone treat anxiety disorders?
Whilst dietary changes can meaningfully support mental health, they are not a substitute for professional treatment of clinical anxiety disorders. Think of nutrition as one piece of the puzzle alongside therapy, medication if prescribed, exercise, sleep, and stress management. Your GP can advise on the most appropriate overall treatment approach.
Are supplements better than food for reducing anxiety?
Obtaining nutrients from whole foods is generally preferable to supplements, as foods contain combinations of nutrients that work together. However, if you have a diagnosed deficiency or struggle to get certain nutrients from food, supplements may be helpful. Always consult a healthcare professional before starting supplements, as some can interact with medications.
Should I avoid all caffeine if I have anxiety?
Not necessarily. Many people with anxiety can tolerate moderate amounts of caffeine without problems. However, if you notice that caffeine worsens your symptoms, gradually reducing intake is advisable. Switching to lower-caffeine options like green tea or eliminating caffeine after midday can help without requiring complete abstinence.
Getting Professional Support
If you are struggling with anxiety and would like support with dietary changes, our team at Abbey Wood Hospital can help. Our registered dietitians provide personalised nutritional assessments and practical guidance tailored to your individual needs and preferences. For those experiencing significant anxiety symptoms, our consultant care team can provide comprehensive mental health assessment and treatment options.
Eating to reduce anxiety is not about perfection. It is about making choices that support your wellbeing, one meal at a time. With consistent small changes, you can create eating habits that help you feel calmer, more resilient, and better equipped to handle whatever life brings.
To discuss how nutrition can support your mental health, or to book a dietitian appointment, call 020 8358 7100 or book online. Abbey Wood Hospital, Page Street, Mill Hill, London NW7 2ED.
Please note: This article provides general health information and is not a substitute for professional medical advice. If you are experiencing severe anxiety, panic attacks, or thoughts of self-harm, please contact your GP, call NHS 111, or visit your nearest A&E department.