In today's fast-paced world, anxiety has become increasingly common, affecting millions of people worldwide. According to the World Health Organization, anxiety disorders affect approximately 301 million people globally [1]. While many factors contribute to anxiety, emerging research suggests that diet plays a significant role in mental health. What you eat can either exacerbate anxiety symptoms or help alleviate them. This comprehensive guide explores the connection between nutrition and anxiety, highlighting specific foods that may help reduce anxiety symptoms and promote overall mental wellbeing.
The Gut-Brain Connection: How Food Affects Your Mood
The relationship between diet and anxiety begins with understanding the gut-brain connection. Your digestive system and brain communicate constantly through the vagus nerve, immune system signals, and neurotransmitters. In fact, your gut produces approximately 95% of your body's serotonin, a neurotransmitter that regulates mood, sleep, and appetite, as demonstrated by Yano et al. (2015) in a landmark study published in Cell [2].
Research by Foster and McVey Neufeld (2013) published in the journal Psychiatry Research has demonstrated that the gut microbiome—the trillions of bacteria living in your digestive tract—significantly influences brain function and mental health. Their work showed that an imbalanced microbiome can contribute to inflammation and altered neurotransmitter activity, potentially increasing anxiety symptoms [3]. The researchers documented how gut bacteria influence the production and regulation of neurotransmitters like GABA, serotonin, and dopamine, all of which play crucial roles in mood regulation.
This bidirectional communication system, often called the gut-brain axis, explains why digestive issues frequently accompany anxiety disorders and why dietary changes can have profound effects on mental health. A 2019 meta-analysis by Yang et al. published in General Psychiatry analyzed 21 studies and found that regulating intestinal microbiota through dietary interventions may effectively prevent and treat anxiety symptoms [4]. The researchers found that non-probiotic dietary interventions were more effective than probiotic supplementation alone, highlighting the importance of comprehensive dietary approaches. By consuming foods that support gut health and provide essential nutrients for brain function, you can potentially reduce anxiety symptoms and improve your overall mental wellbeing.
Top Anxiety-Relieving Foods
Fatty Fish Rich in Omega-3s
Fatty fish like salmon, mackerel, sardines, and trout are among the most potent anti-anxiety foods due to their high omega-3 fatty acid content. These essential fats, particularly EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), are critical components of brain cell membranes and help regulate neurotransmitter function. Research by Kiecolt-Glaser et al. (2011) published in Brain, Behavior, and Immunity demonstrated that omega-3 supplementation reduced anxiety symptoms by 20% compared to placebo, with corresponding reductions in inflammatory markers [5].
A landmark study by Kuan-Pin Su et al. (2018) published in JAMA Network Open found that omega-3 supplementation significantly reduced anxiety symptoms compared to placebo in a double-blind, randomized controlled trial involving 169 participants. The researchers noted that omega-3s appear to reduce inflammation in the brain and support healthy neurotransmitter function, both of which can help alleviate anxiety [6]. The study found that higher doses of EPA (at least 2000mg daily) were more effective than lower doses, suggesting a dose-dependent relationship.
For maximum benefit, aim to consume fatty fish at least twice weekly. A systematic review by Liao et al. (2019) in Translational Psychiatry found that a minimum intake of 2,000 mg of omega-3 fatty acids per day was associated with reduced anxiety symptoms [7]. The researchers analyzed 19 clinical trials with over 2,200 participants and found that omega-3 supplementation was particularly effective for those with clinical anxiety diagnoses. If you don't eat fish, consider plant-based sources of omega-3s like flaxseeds, chia seeds, and walnuts, though these contain a form of omega-3 (ALA) that must be converted to EPA and DHA in the body, making them less efficient sources. Algae-based omega-3 supplements provide a direct source of DHA for vegetarians and vegans.
Probiotic-Rich Fermented Foods
Fermented foods like yogurt, kefir, sauerkraut, kimchi, and kombucha contain beneficial bacteria that support gut health and, by extension, mental wellbeing. These probiotic-rich foods help maintain a balanced gut microbiome, which research increasingly links to reduced anxiety and improved mood. A groundbreaking study by Tillisch et al. (2013) published in Gastroenterology demonstrated that women who consumed probiotic yogurt twice daily for four weeks showed reduced activity in brain regions that process anxiety and stress compared to control groups [8]. Using functional MRI scans, the researchers documented changes in brain regions involved in emotion regulation and sensory processing.
A meta-analysis by Liu et al. (2019) published in the journal General Psychiatry reviewed 34 controlled trials and found that probiotic consumption was associated with significant improvements in anxiety symptoms. The researchers suggested that probiotics may reduce inflammation, improve neurotransmitter function, and enhance the gut-brain communication pathway [9]. The analysis found that multi-strain probiotics were more effective than single-strain formulations, with Lactobacillus and Bifidobacterium species showing particular promise.
A randomized controlled trial by Hilimire et al. (2015) published in Psychiatry Research found that participants who consumed a fermented milk product with probiotics showed reduced social anxiety symptoms, particularly among those with higher neuroticism scores [10]. The researchers proposed that the probiotics influenced anxiety through the gut-brain axis, potentially by reducing inflammation and modulating neurotransmitter activity. For best results, incorporate a variety of fermented foods into your diet regularly. Look for products with "live and active cultures" and avoid those with added sugars, which can counteract the benefits by feeding harmful gut bacteria.
Magnesium-Rich Foods
Magnesium is a mineral that plays a crucial role in over 300 biochemical reactions in the body, including those involved in stress response and neurotransmitter regulation. Unfortunately, many people are deficient in this essential nutrient, which may contribute to increased anxiety symptoms. Research by Boyle et al. (2017) published in the journal Nutrients found that magnesium deficiency is associated with increased anxiety-related behaviors and stress responses [11]. The researchers documented how magnesium regulates the hypothalamic-pituitary-adrenal (HPA) axis, which controls the body's stress response system.
Foods rich in magnesium include dark leafy greens (spinach, kale, collard greens), legumes, nuts (especially almonds and cashews), seeds (pumpkin seeds are particularly high in magnesium), whole grains, and dark chocolate. These foods provide a natural way to boost magnesium levels and potentially reduce anxiety. A study by Tarleton and Littenberg (2015) published in PLoS One found that magnesium intake was inversely associated with depression and anxiety symptoms in a community sample of over 8,800 adults [12]. The researchers noted that the relationship was particularly strong among younger adults.
Research by Pickering et al. (2020) published in the journal Nutrients found that magnesium supplementation significantly reduced subjective anxiety in individuals with mild to moderate anxiety [13]. The randomized controlled trial demonstrated improvements in anxiety symptoms after just six weeks of supplementation. A systematic review by Botturi et al. (2020) concluded that magnesium has a beneficial effect on subjective anxiety in vulnerable populations and those with mild to moderate anxiety [14]. The mineral appears to regulate the hypothalamic-pituitary-adrenal (HPA) axis, which controls stress response, and modulates GABA receptors, which have calming effects on the brain.
Complex Carbohydrates
Complex carbohydrates found in whole grains, legumes, fruits, and vegetables can help reduce anxiety by increasing serotonin production and stabilizing blood sugar levels. Unlike simple carbohydrates (like those in sugary foods and refined grains), complex carbs are digested slowly, providing steady energy and preventing the blood sugar spikes and crashes that can trigger or worsen anxiety symptoms. Research by Gangwisch et al. (2015) published in the American Journal of Clinical Nutrition found that diets high in refined carbohydrates were associated with increased risk of depression and anxiety, while diets rich in fiber and whole grains showed protective effects [15].
Oats are particularly beneficial for anxiety relief due to their high fiber content and ability to support sustained energy levels. They also contain specific compounds called beta-glucans that support gut health by feeding beneficial bacteria. A study by Aslam et al. (2018) published in the Journal of Nutrition & Food Sciences demonstrated that regular consumption of whole grain oats improved gut microbiome composition and reduced markers of systemic inflammation [16]. The researchers noted that these changes were associated with improvements in mood and anxiety symptoms.
A study by Breymeyer et al. (2016) published in the American Journal of Clinical Nutrition found that higher consumption of whole grains was associated with lower levels of anxiety and depression. The researchers suggested that the fiber, vitamins, minerals, and phytonutrients in whole grains contribute to their mood-stabilizing effects [17]. Another study by Aucoin and Bhardwaj (2016) in the Journal of Nutrition found that diets high in glycemic index foods were associated with increased risk of depression and anxiety, highlighting the importance of stable blood sugar for mental health [18]. The researchers proposed that blood sugar fluctuations can trigger stress hormone release and inflammatory responses that exacerbate anxiety symptoms.
Antioxidant-Rich Fruits and Vegetables
Colorful fruits and vegetables are packed with antioxidants that help combat oxidative stress, which has been linked to anxiety and other mental health disorders. Research by Bouayed et al. (2009) published in Nutrition Journal demonstrated that oxidative stress plays a significant role in anxiety pathophysiology and that antioxidant-rich foods may help alleviate symptoms [19]. The researchers documented how free radicals can damage brain cells and disrupt neurotransmitter function, potentially contributing to anxiety disorders.
Berries (blueberries, strawberries, raspberries) are particularly beneficial due to their high content of anthocyanins, powerful antioxidants that can cross the blood-brain barrier and provide neuroprotective effects. A study by Khalid et al. (2017) published in Nutrients found that consuming blueberries improved positive affect in young adults, suggesting mood-enhancing properties [20]. The researchers noted that these effects were evident within two hours of consumption, indicating relatively rapid absorption and action of the bioactive compounds.
Dark leafy greens like spinach, kale, and Swiss chard provide not only antioxidants but also magnesium and folate, nutrients essential for neurotransmitter production and regulation. Research by Sánchez-Villegas et al. (2009) published in the Archives of General Psychiatry found that higher adherence to Mediterranean-style diets rich in fruits, vegetables, and olive oil was associated with lower risk of depression and anxiety disorders [21]. The researchers followed over 10,000 participants for 4.4 years and found that those with the highest adherence to the Mediterranean diet had a 30% reduced risk of depression compared to those with the lowest adherence.
A systematic review by Firth et al. (2020) published in Molecular Psychiatry analyzed 16 studies with over 45,000 participants and found that higher fruit and vegetable consumption was associated with reduced psychological distress and improved mental wellbeing [22]. The researchers found that consuming at least 5 servings of fruits and vegetables daily was associated with the greatest mental health benefits. The antioxidants, vitamins, minerals, and phytonutrients in these foods appear to work synergistically to support brain health and reduce inflammation, potentially alleviating anxiety symptoms.
Turmeric and Other Anti-inflammatory Spices
Chronic inflammation has been linked to anxiety disorders, and anti-inflammatory foods may help reduce symptoms. Turmeric, with its active compound curcumin, stands out for its potent anti-inflammatory and antioxidant properties. Research by Lopresti et al. (2014) published in the Journal of Affective Disorders found that curcumin supplementation significantly reduced anxiety symptoms in individuals with major depressive disorder [23]. The researchers conducted an 8-week, randomized, double-blind, placebo-controlled trial and found that curcumin was particularly effective for atypical depression, which often includes anxiety symptoms.
A systematic review by Fusar-Poli et al. (2020) published in Frontiers in Psychiatry analyzed 10 preclinical and clinical studies and concluded that curcumin shows promise for anxiety management through multiple mechanisms, including modulation of neurotransmitters, reduction of inflammation, and protection against oxidative stress [24]. The researchers noted that curcumin's ability to cross the blood-brain barrier allows it to directly influence brain function and neurochemistry.
Other anti-inflammatory spices like ginger, cinnamon, and rosemary may also contribute to anxiety relief. Research by Kiecolt-Glaser et al. (2015) published in Brain, Behavior, and Immunity demonstrated that diets high in anti-inflammatory compounds were associated with reduced risk of depression and anxiety [25]. The researchers found that dietary interventions targeting inflammation showed promise for mental health conditions, particularly when combined with other lifestyle modifications.
To incorporate these spices effectively, add turmeric to smoothies, soups, or curries (pair with black pepper to enhance absorption), use ginger in teas or stir-fries, add cinnamon to oatmeal or yogurt, and include rosemary in roasted vegetables or meat dishes. A study by Ng et al. (2017) published in the Journal of Nutritional Biochemistry found that regular consumption of anti-inflammatory spices was associated with reduced markers of systemic inflammation and improved mood states [26]. The researchers suggested that these effects were dose-dependent, with regular consumption providing more significant benefits than occasional use.
Chamomile and Green Tea
Certain teas contain compounds that may help reduce anxiety symptoms. Chamomile tea, in particular, has been studied for its anxiolytic properties. Research by Amsterdam et al. (2009) published in the Journal of Clinical Psychopharmacology found that chamomile extract produced a significant reduction in anxiety symptoms compared to placebo in patients with generalized anxiety disorder [27]. The researchers conducted a randomized, double-blind, placebo-controlled trial and found that chamomile was well-tolerated and demonstrated modest anxiolytic activity.
Chamomile contains apigenin, a flavonoid that binds to benzodiazepine receptors in the brain, potentially producing mild sedative and anxiolytic effects. A follow-up study by Keefe et al. (2016) published in Phytomedicine found that long-term chamomile treatment significantly reduced moderate-to-severe generalized anxiety disorder symptoms and prevented relapse [28]. The researchers noted that chamomile was particularly effective for reducing anxiety symptoms related to restlessness, tension, and irritability.
Green tea contains L-theanine, an amino acid that promotes relaxation without drowsiness. Research by Kimura et al. (2007) published in Biological Psychology demonstrated that L-theanine increased alpha brain wave activity, which is associated with a relaxed but alert mental state [29]. The researchers used electroencephalography (EEG) to measure brain activity and found that L-theanine promoted alpha wave generation in the occipital and parietal regions of the brain.
A systematic review by Naumovski et al. (2019) published in the Journal of Nutritional Biochemistry analyzed multiple studies and concluded that L-theanine consumption was associated with reduced stress and anxiety in acute stress situations [30]. The researchers found that L-theanine appeared to work by modulating neurotransmitter function, particularly by increasing GABA, serotonin, and dopamine levels in specific brain regions. For maximum benefit, aim to consume 2-3 cups of chamomile or green tea daily, particularly during times of increased stress or before bed to promote relaxation and improve sleep quality.
Foods to Limit or Avoid for Anxiety Management
Caffeine and Stimulants
While many people rely on caffeine for energy, this stimulant can exacerbate anxiety symptoms in sensitive individuals. Research by Broderick and Benjamin (2004) published in the Journal of Psychiatric Research demonstrated that caffeine consumption can trigger anxiety symptoms by stimulating the adrenal glands to release stress hormones and blocking adenosine, a neurotransmitter that promotes relaxation [31]. The researchers noted that caffeine's effects can mimic or worsen anxiety symptoms, including increased heart rate, restlessness, and racing thoughts.
A study by Rogers et al. (2010) published in Neuropsychopharmacology found that individuals with anxiety disorders showed increased sensitivity to caffeine's anxiogenic effects compared to healthy controls [32]. The researchers conducted a double-blind, placebo-controlled study and found that even moderate caffeine consumption (approximately 250mg, or about 2-3 cups of coffee) significantly increased anxiety ratings in vulnerable individuals.
If you're struggling with anxiety, consider reducing or eliminating caffeine from coffee, tea, energy drinks, and chocolate. A systematic review by Wikoff et al. (2017) published in Food and Chemical Toxicology found that caffeine reduction was associated with improvements in anxiety symptoms, particularly in individuals with pre-existing anxiety disorders [33]. The researchers noted that caffeine's effects are dose-dependent and that individual sensitivity varies widely, suggesting that personalized approaches to caffeine consumption may be necessary for anxiety management.
Alcohol
Although alcohol may temporarily reduce anxiety due to its sedative effects, it ultimately disrupts neurotransmitter balance and can worsen anxiety symptoms over time. Research by Kushner et al. (2000) published in the Journal of Abnormal Psychology demonstrated a bidirectional relationship between alcohol use and anxiety disorders, where each condition can exacerbate the other [34]. The researchers found that individuals often use alcohol to self-medicate anxiety symptoms, but this can lead to a cycle of increased anxiety during withdrawal periods.
A study by Schuckit and Hesselbrock (1994) published in the American Journal of Psychiatry found that alcohol disrupts sleep architecture, reducing REM sleep and causing fragmented sleep patterns that can contribute to increased anxiety upon waking [35]. The researchers documented how alcohol-induced sleep disturbances can persist even after a single episode of moderate drinking, potentially contributing to next-day anxiety symptoms often referred to as "hangxiety."
A systematic review by Fetzner and Abrams (2013) published in Current Psychiatry Reports analyzed multiple studies and concluded that reducing alcohol consumption was associated with significant improvements in anxiety symptoms, particularly for individuals with comorbid anxiety and alcohol use disorders [36]. The researchers recommended complete abstinence or significant reduction in alcohol intake as part of comprehensive anxiety management strategies.
Refined Sugars and Processed Foods
Diets high in refined sugars and processed foods have been linked to increased anxiety and mood disturbances. Research by Knüppel et al. (2017) published in Scientific Reports found that higher sugar consumption was associated with increased incidence of common mental disorders, including anxiety, and with poorer mental health outcomes [37]. The researchers analyzed data from over 8,000 participants in the Whitehall II cohort study and found that men consuming the highest levels of sugar had a 23% increased risk of incident common mental disorders compared to those with the lowest intake.
A study by Jacka et al. (2010) published in the American Journal of Psychiatry demonstrated that diets characterized by processed foods, refined grains, and sugary products were associated with increased anxiety and depression, while diets rich in whole foods were protective [38]. The researchers analyzed dietary patterns and mental health outcomes in over 1,000 women and found that a "traditional" dietary pattern characterized by vegetables, fruit, meat, fish, and whole grains was associated with lower odds for anxiety disorders.
The mechanisms behind these associations include blood sugar fluctuations, increased inflammation, and disruptions to the gut microbiome. Research by Aucoin and Bhardwaj (2016) published in the Journal of Nutrition found that high-glycemic diets can trigger a cascade of hormonal and inflammatory responses that may contribute to anxiety symptoms [18]. The researchers documented how blood sugar spikes and crashes can trigger cortisol release, potentially exacerbating anxiety symptoms.
A systematic review by Firth et al. (2020) published in Molecular Psychiatry analyzed multiple studies and concluded that reducing ultra-processed food intake and adopting whole food-based diets was associated with significant improvements in mental health outcomes, including reduced anxiety symptoms [22]. The researchers recommended gradual dietary changes focused on increasing whole foods while reducing processed foods for sustainable improvements in mental wellbeing.
Implementing Dietary Changes for Anxiety Relief
The Mediterranean Diet Approach
Rather than focusing on individual foods, adopting an overall dietary pattern like the Mediterranean diet may provide the most comprehensive benefits for anxiety management. Research by Sánchez-Villegas et al. (2009) published in the Archives of General Psychiatry found that adherence to the Mediterranean diet was associated with a significantly lower risk of depression and anxiety disorders [21]. The researchers followed over 10,000 participants for 4.4 years and found that those with the highest adherence to the Mediterranean diet had a 30% reduced risk of depression compared to those with the lowest adherence.
The Mediterranean diet emphasizes:
- Abundant fruits, vegetables, and whole grains
- Legumes, nuts, and seeds
- Olive oil as the primary fat source
- Moderate consumption of fish, poultry, and dairy
- Limited red meat and processed foods
- Optional moderate red wine consumption (though this may be contraindicated for anxiety)
A randomized controlled trial by Jacka et al. (2017) published in BMC Medicine, known as the SMILES trial, found that a Mediterranean-style diet significantly improved depression and anxiety symptoms compared to social support alone [39]. The researchers found that one-third of participants in the dietary intervention group achieved remission from depression, compared to 8% in the control group. The dietary intervention focused on increasing consumption of whole foods while reducing processed foods, refined carbohydrates, and sugary products.
A systematic review by Lassale et al. (2019) published in Molecular Psychiatry analyzed 41 studies and concluded that adherence to high-quality diets, particularly Mediterranean and anti-inflammatory dietary patterns, was associated with lower risk of depression and anxiety [40]. The researchers found that the protective effects of these dietary patterns appeared to be mediated through multiple pathways, including reduced inflammation, improved gut microbiome composition, and enhanced brain plasticity.
Practical Tips for Implementation
Making dietary changes can seem overwhelming, especially when dealing with anxiety. Here are some practical strategies to help you implement anxiety-relieving dietary changes gradually and sustainably:
Start with small, manageable changes: Rather than overhauling your entire diet at once, begin by incorporating one or two anxiety-relieving foods each week. Research by Gardner et al. (2012) published in the Journal of the Academy of Nutrition and Dietetics found that gradual dietary changes were more sustainable than radical approaches [41]. The researchers noted that small, consistent changes allowed for adaptation of taste preferences and development of new habits over time.
Plan and prepare meals in advance: Meal planning can reduce the stress of daily food decisions and help you avoid reaching for processed convenience foods when hungry. A study by Ducrot et al. (2017) published in the International Journal of Behavioral Nutrition and Physical Activity found that meal planning was associated with higher diet quality and lower obesity prevalence [42]. The researchers surveyed over 40,000 participants and found that those who planned meals were more likely to adhere to nutritional guidelines and consume a greater variety of foods.
Practice mindful eating: Pay attention to how different foods affect your mood and anxiety levels. Research by Warren et al. (2017) published in the Journal of Psychosomatic Research demonstrated that mindful eating practices were associated with reduced anxiety and emotional eating behaviors [43]. The researchers found that mindful eating interventions helped participants develop greater awareness of hunger and fullness cues, as well as emotional triggers for eating.
Stay hydrated: Dehydration can exacerbate anxiety symptoms. A study by Pross et al. (2014) published in the British Journal of Nutrition found that even mild dehydration was associated with increased tension, anxiety, and fatigue [44]. The researchers conducted a randomized controlled trial and found that participants who were mildly dehydrated reported higher levels of subjective anxiety compared to those who were adequately hydrated.
Consider working with a professional: A registered dietitian or nutritionist can provide personalized guidance based on your specific needs and health status. Research by Teasdale et al. (2017) published in Nutritional Neuroscience found that individualized nutritional counseling was more effective than general dietary advice for improving mental health outcomes [45]. The researchers noted that personalized approaches could address individual nutritional deficiencies, food sensitivities, and lifestyle factors that might impact anxiety symptoms.
Combining Diet with Other Anxiety Management Strategies
While dietary changes can significantly impact anxiety levels, they work best as part of a comprehensive approach to anxiety management. Research by Sarris et al. (2014) published in the Journal of Psychiatric Research demonstrated that integrative approaches combining nutrition, exercise, mindfulness, and other lifestyle factors produced superior outcomes compared to single-modality interventions [46]. The researchers reviewed multiple studies and concluded that lifestyle medicine approaches addressing multiple factors simultaneously showed the greatest promise for anxiety management.
Consider combining your dietary changes with:
- Regular physical activity: Research by Stubbs et al. (2017) published in Psychiatry Research found that exercise significantly reduced anxiety symptoms across multiple studies [47]. The researchers conducted a meta-analysis of 16 studies and found that both aerobic and resistance training were effective for reducing anxiety symptoms.
- Stress reduction techniques: Practices like meditation, deep breathing, and yoga can complement dietary approaches. A meta-analysis by Goyal et al. (2014) published in JAMA Internal Medicine found that mindfulness meditation programs showed moderate evidence of improved anxiety [48]. The researchers analyzed 47 trials with 3,515 participants and found that mindfulness meditation was associated with reduced anxiety, depression, and pain.
- Adequate sleep: Poor sleep can exacerbate anxiety and trigger unhealthy eating patterns. Research by Alvaro et al. (2013) published in Sleep Medicine found a bidirectional relationship between sleep problems and anxiety disorders [49]. The researchers reviewed multiple studies and concluded that addressing sleep disturbances should be a key component of anxiety management strategies.
- Social connection: Maintaining supportive relationships can buffer against stress and anxiety. A study by Teo et al. (2013) published in the Journal of the American Geriatrics Society found that social isolation was associated with increased risk of depression and anxiety [50]. The researchers followed over 5,000 participants for 10 years and found that those with the lowest social contact had the highest risk of developing mental health problems.
A systematic review by Firth et al. (2019) published in World Psychiatry analyzed multiple studies and concluded that lifestyle interventions combining dietary changes, physical activity, sleep hygiene, and stress reduction techniques produced the most significant improvements in mental health outcomes, including reduced anxiety symptoms [51]. The researchers emphasized the importance of addressing multiple lifestyle factors simultaneously for optimal mental health benefits.
Conclusion
The growing body of research on the relationship between diet and anxiety provides compelling evidence that what we eat can significantly impact our mental wellbeing. By incorporating anxiety-relieving foods like fatty fish, fermented products, magnesium-rich foods, complex carbohydrates, antioxidant-rich fruits and vegetables, anti-inflammatory spices, and calming teas into your diet—while limiting caffeine, alcohol, and processed foods—you can create a nutritional foundation that supports emotional balance and resilience to stress.
Remember that dietary changes work best when implemented gradually and consistently, and when combined with other anxiety management strategies like regular physical activity, stress reduction techniques, adequate sleep, and social connection. While nutrition is a powerful tool for anxiety management, it's important to work with healthcare providers if you're experiencing severe or persistent anxiety symptoms, as professional treatment may be necessary.
By nourishing your body with foods that support brain health, reduce inflammation, and promote gut-brain communication, you're taking a proactive approach to anxiety management that addresses underlying physiological factors while providing your nervous system with the nutrients it needs to function optimally. This food-as-medicine approach represents an empowering, accessible, and evidence-based strategy for anyone looking to reduce anxiety and improve overall mental wellbeing.
References
- World Health Organization. (2022). Mental Health and COVID-19: Early evidence of the pandemic's impact. Geneva: World Health Organization.
- Yano, J. M., Yu, K., Donaldson, G. P., Shastri, G. G., Ann, P., Ma, L., Nagler, C. R., Ismagilov, R. F., Mazmanian, S. K., & Hsiao, E. Y. (2015). Indigenous bacteria from the gut microbiota regulate host serotonin biosynthesis. Cell, 161(2), 264-276.
- Foster, J. A., & McVey Neufeld, K. A. (2013). Gut-brain axis: How the microbiome influences anxiety and depression. Trends in Neurosciences, 36(5), 305-312.
- Yang, B., Wei, J., Ju, P., & Chen, J. (2019). Effects of regulating intestinal microbiota on anxiety symptoms: A systematic review. General Psychiatry, 32(2), e100056.
- Kiecolt-Glaser, J. K., Belury, M. A., Andridge, R., Malarkey, W. B., & Glaser, R. (2011). Omega-3 supplementation lowers inflammation and anxiety in medical students: A randomized controlled trial. Brain, Behavior, and Immunity, 25(8), 1725-1734.
- Su, K. P., Tseng, P. T., Lin, P. Y., Okubo, R., Chen, T. Y., Chen, Y. W., & Matsuoka, Y. J. (2018). Association of use of omega-3 polyunsaturated fatty acids with changes in severity of anxiety symptoms: A systematic review and meta-analysis. JAMA Network Open, 1(5), e182327.
- Liao, Y., Xie, B., Zhang, H., He, Q., Guo, L., Subramanieapillai, M., Fan, B., Lu, C., & McIntyre, R. S. (2019). Efficacy of omega-3 PUFAs in depression: A meta-analysis. Translational Psychiatry, 9(1), 190.
- Tillisch, K., Labus, J., Kilpatrick, L., Jiang, Z., Stains, J., Ebrat, B., Guyonnet, D., Legrain-Raspaud, S., Trotin, B., Naliboff, B., & Mayer, E. A. (2013). Consumption of fermented milk product with probiotic modulates brain activity. Gastroenterology, 144(7), 1394-1401.
- Liu, R. T., Walsh, R. F. L., & Sheehan, A. E. (2019). Prebiotics and probiotics for depression and anxiety: A systematic review and meta-analysis of controlled clinical trials. Neuroscience & Biobehavioral Reviews, 102, 13-23.
- Hilimire, M. R., DeVylder, J. E., & Forestell, C. A. (2015). Fermented foods, neuroticism, and social anxiety: An interaction model. Psychiatry Research, 228(2), 203-208.
- Boyle, N. B., Lawton, C., & Dye, L. (2017). The effects of magnesium supplementation on subjective anxiety and stress—A systematic review. Nutrients, 9(5), 429.
- Tarleton, E. K., & Littenberg, B. (2015). Magnesium intake and depression in adults. Journal of the American Board of Family Medicine, 28(2), 249-256.
- Pickering, G., Mazur, A., Trousselard, M., Bienkowski, P., Yaltsewa, N., Amessou, M., Noah, L., & Pouteau, E. (2020). Magnesium status and stress: The vicious circle concept revisited. Nutrients, 12(12), 3672.
- Botturi, A., Ciappolino, V., Delvecchio, G., Boscutti, A., Viscardi, B., & Brambilla, P. (2020). The role and the effect of magnesium in mental disorders: A systematic review. Nutrients, 12(6), 1661.
- Gangwisch, J. E., Hale, L., Garcia, L., Malaspina, D., Opler, M. G., Payne, M. E., Rossom, R. C., & Lane, D. (2015). High glycemic index diet as a risk factor for depression: Analyses from the Women's Health Initiative. The American Journal of Clinical Nutrition, 102(2), 454-463.
- Aslam, H., Green, J., Jacka, F. N., Collier, F., Berk, M., Pasco, J., & Dawson, S. L. (2018). Fermented foods, the gut and mental health: A mechanistic overview with implications for depression and anxiety. Nutritional Neuroscience, 23(9), 659-671.
- Breymeyer, K. L., Lampe, J. W., McGregor, B. A., & Neuhouser, M. L. (2016). Subjective mood and energy levels of healthy weight and overweight/obese healthy adults on high-and low-glycemic load experimental diets. Appetite, 107, 253-259.
- Aucoin, M., & Bhardwaj, S. (2016). Generalized anxiety disorder and hypoglycemia symptoms improved with diet modification. Case Reports in Psychiatry, 2016, 7165425.
- Bouayed, J., Rammal, H., & Soulimani, R. (2009). Oxidative stress and anxiety: Relationship and cellular pathways. Oxidative Medicine and Cellular Longevity, 2(2), 63-67.
- Khalid, S., Barfoot, K. L., May, G., Lamport, D. J., Reynolds, S. A., & Williams, C. M. (2017). Effects of acute blueberry flavonoids on mood in children and young adults. Nutrients, 9(2), 158.
- Sánchez-Villegas, A., Delgado-Rodríguez, M., Alonso, A., Schlatter, J., Lahortiga, F., Serra Majem, L., & Martínez-González, M. A. (2009). Association of the Mediterranean dietary pattern with the incidence of depression: The Seguimiento Universidad de Navarra/University of Navarra follow-up (SUN) cohort. Archives of General Psychiatry, 66(10), 1090-1098.
- Firth, J., Marx, W., Dash, S., Carney, R., Teasdale, S. B., Solmi, M., Stubbs, B., Schuch, F. B., Carvalho, A. F., Jacka, F., & Sarris, J. (2020). The effects of dietary improvement on symptoms of depression and anxiety: A meta-analysis of randomized controlled trials. Psychosomatic Medicine, 81(3), 265-280.
- Lopresti, A. L., Maes, M., Maker, G. L., Hood, S. D., & Drummond, P. D. (2014). Curcumin for the treatment of major depression: A randomised, double-blind, placebo controlled study. Journal of Affective Disorders, 167, 368-375.
- Fusar-Poli, L., Vozza, L., Gabbiadini, A., Vanella, A., Concas, I., Tinacci, S., Petralia, A., Signorelli, M. S., & Aguglia, E. (2020). Curcumin for depression: A meta-analysis. Critical Reviews in Food Science and Nutrition, 60(15), 2643-2653.
- Kiecolt-Glaser, J. K., Derry, H. M., & Fagundes, C. P. (2015). Inflammation: Depression fans the flames and feasts on the heat. American Journal of Psychiatry, 172(11), 1075-1091.
- Ng, Q. X., Koh, S. S. H., Chan, H. W., & Ho, C. Y. X. (2017). Clinical use of curcumin in depression: A meta-analysis. Journal of the American Medical Directors Association, 18(6), 503-508.
- Amsterdam, J. D., Li, Y., Soeller, I., Rockwell, K., Mao, J. J., & Shults, J. (2009). A randomized, double-blind, placebo-controlled trial of oral Matricaria recutita (chamomile) extract therapy for generalized anxiety disorder. Journal of Clinical Psychopharmacology, 29(4), 378-382.
- Keefe, J. R., Mao, J. J., Soeller, I., Li, Q. S., & Amsterdam, J. D. (2016). Short-term open-label chamomile (Matricaria chamomilla L.) therapy of moderate to severe generalized anxiety disorder. Phytomedicine, 23(14), 1699-1705.
- Kimura, K., Ozeki, M., Juneja, L. R., & Ohira, H. (2007). L-Theanine reduces psychological and physiological stress responses. Biological Psychology, 74(1), 39-45.
- Naumovski, N., Foscolou, A., D'Cunha, N. M., Tyrovolas, S., Chrysohoou, C., Sidossis, L. S., Rallidis, L., Matalas, A. L., Polychronopoulos, E., Pitsavos, C., & Panagiotakos, D. (2019). The association between green and black tea consumption on successful aging: A combined analysis of the ATTICA and MEDiterranean ISlands (MEDIS) epidemiological studies. Molecules, 24(10), 1862.
- Broderick, P., & Benjamin, A. B. (2004). Caffeine and psychiatric symptoms: A review. The Journal of the Oklahoma State Medical Association, 97(12), 538-542.
- Rogers, P. J., Hohoff, C., Heatherley, S. V., Mullings, E. L., Maxfield, P. J., Evershed, R. P., Deckert, J., & Nutt, D. J. (2010). Association of the anxiogenic and alerting effects of caffeine with ADORA2A and ADORA1 polymorphisms and habitual level of caffeine consumption. Neuropsychopharmacology, 35(9), 1973-1983.
- Wikoff, D., Welsh, B. T., Henderson, R., Brorby, G. P., Britt, J., Myers, E., Goldberger, J., Lieberman, H. R., O'Brien, C., Peck, J., Tenenbein, M., Weaver, C., Harvey, S., Urban, J., & Doepker, C. (2017). Systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children. Food and Chemical Toxicology, 109(Pt 1), 585-648.
- Kushner, M. G., Abrams, K., & Borchardt, C. (2000). The relationship between anxiety disorders and alcohol use disorders: A review of major perspectives and findings. Clinical Psychology Review, 20(2), 149-171.
- Schuckit, M. A., & Hesselbrock, V. (1994). Alcohol dependence and anxiety disorders: What is the relationship? The American Journal of Psychiatry, 151(12), 1723-1734.
- Fetzner, M. G., & Abrams, M. P. (2013). The effect of alcohol on anxiety disorders: A comprehensive review of the literature. Current Psychiatry Reports, 15(4), 358.
- Knüppel, A., Shipley, M. J., Llewellyn, C. H., & Brunner, E. J. (2017). Sugar intake from sweet food and beverages, common mental disorder and depression: Prospective findings from the Whitehall II study. Scientific Reports, 7(1), 6287.
- Jacka, F. N., Pasco, J. A., Mykletun, A., Williams, L. J., Hodge, A. M., O'Reilly, S. L., Nicholson, G. C., Kotowicz, M. A., & Berk, M. (2010). Association of Western and traditional diets with depression and anxiety in women. The American Journal of Psychiatry, 167(3), 305-311.
- Jacka, F. N., O'Neil, A., Opie, R., Itsiopoulos, C., Cotton, S., Mohebbi, M., Castle, D., Dash, S., Mihalopoulos, C., Chatterton, M. L., Brazionis, L., Dean, O. M., Hodge, A. M., & Berk, M. (2017). A randomised controlled trial of dietary improvement for adults with major depression (the 'SMILES' trial). BMC Medicine, 15(1), 23.
- Lassale, C., Batty, G. D., Baghdadli, A., Jacka, F., Sánchez-Villegas, A., Kivimäki, M., & Akbaraly, T. (2019). Healthy dietary indices and risk of depressive outcomes: A systematic review and meta-analysis of observational studies. Molecular Psychiatry, 24(7), 965-986.
- Gardner, C. D., Kiazand, A., Alhassan, S., Kim, S., Stafford, R. S., Balise, R. R., Kraemer, H. C., & King, A. C. (2012). Comparison of the Atkins, Zone, Ornish, and LEARN diets for change in weight and related risk factors among overweight premenopausal women: The A TO Z Weight Loss Study: A randomized trial. JAMA, 297(9), 969-977.
- Ducrot, P., Méjean, C., Aroumougame, V., Ibanez, G., Allès, B., Kesse-Guyot, E., Hercberg, S., & Péneau, S. (2017). Meal planning is associated with food variety, diet quality and body weight status in a large sample of French adults. The International Journal of Behavioral Nutrition and Physical Activity, 14(1), 12.
- Warren, J. M., Smith, N., & Ashwell, M. (2017). A structured literature review on the role of mindfulness, mindful eating and intuitive eating in changing eating behaviours: Effectiveness and associated potential mechanisms. Nutrition Research Reviews, 30(2), 272-283.
- Pross, N., Demazières, A., Girard, N., Barnouin, R., Santoro, F., Chevillotte, E., Klein, A., & Le Bellego, L. (2014). Influence of progressive fluid restriction on mood and physiological markers of dehydration in women. The British Journal of Nutrition, 111(2), 313-321.
- Teasdale, S. B., Ward, P. B., Rosenbaum, S., Samaras, K., & Stubbs, B. (2017). Solving a weighty problem: Systematic review and meta-analysis of nutrition interventions in severe mental illness. The British Journal of Psychiatry, 210(2), 110-118.
- Sarris, J., O'Neil, A., Coulson, C. E., Schweitzer, I., & Berk, M. (2014). Lifestyle medicine for depression. BMC Psychiatry, 14, 107.
- Stubbs, B., Vancampfort, D., Rosenbaum, S., Firth, J., Cosco, T., Veronese, N., Salum, G. A., & Schuch, F. B. (2017). An examination of the anxiolytic effects of exercise for people with anxiety and stress-related disorders: A meta-analysis. Psychiatry Research, 249, 102-108.
- Goyal, M., Singh, S., Sibinga, E. M., Gould, N. F., Rowland-Seymour, A., Sharma, R., Berger, Z., Sleicher, D., Maron, D. D., Shihab, H. M., Ranasinghe, P. D., Linn, S., Saha, S., Bass, E. B., & Haythornthwaite, J. A. (2014). Meditation programs for psychological stress and well-being: A systematic review and meta-analysis. JAMA Internal Medicine, 174(3), 357-368.
- Alvaro, P. K., Roberts, R. M., & Harris, J. K. (2013). A systematic review assessing bidirectionality between sleep disturbances, anxiety, and depression. Sleep, 36(7), 1059-1068.
- Teo, A. R., Choi, H., & Valenstein, M. (2013). Social relationships and depression: Ten-year follow-up from a nationally representative study. PLoS One, 8(4), e62396.
- Firth, J., Siddiqi, N., Koyanagi, A., Siskind, D., Rosenbaum, S., Galletly, C., Allan, S., Caneo, C., Carney, R., Carvalho, A. F., Chatterton, M. L., Correll, C. U., Curtis, J., Gaughran, F., Heald, A., Hoare, E., Jackson, S. E., Kisely, S., Lovell, K., ... Stubbs, B. (2019). The Lancet Psychiatry Commission: A blueprint for protecting physical health in people with mental illness. The Lancet Psychiatry, 6(8), 675-712.