<img src="https://images.immediate.co.uk/production/volatile/sites/30/2023/05/Happy-woman-eating-healthy-food-in-kitchen-090eb51.jpg?quality=90&resize=620,413" srcset="https://images.immediate.co.uk/production/volatile/sites/30/2023/05/Happy-woman-eating-healthy-food-in-kitchen-090eb51.jpg?quality=90&resize=360,239 360w, https://images.immediate.co.uk/production/volatile/sites/30/2023/05/Happy-woman-eating-healthy-food-in-kitchen-090eb51.jpg?quality=90&resize=180,119 180w, " sizes="(max-width: 620px) 100vw, 620px" width="620" height="413" class="wp-image-818992 alignnone size-landscape_thumbnail" alt="Happy woman eating healthy food in her kitchen" title="Healthy Diet Plan: how food affects your mood" /> <h2>What causes low mood?</h2>
<div>Most of us can point to <a href="https://pubmed.ncbi.nlm.nih.gov/27131503/" target="_blank" rel="noopener noreferrer">one or more reasons</a> to explain a change in our mood. Perhaps we had a <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6456824/" target="_blank" rel="noopener noreferrer">poor night’s sleep</a>, our hormones are out of balance, we’ve not been exercising or we miss seeing friends. It could also be down to stress, <a href="https://pubmed.ncbi.nlm.nih.gov/20001729/" target="_blank" rel="noopener noreferrer">genetics</a> or even our environment. These are all valid explanations but a growing <a href="https://pubmed.ncbi.nlm.nih.gov/30537665/" target="_blank" rel="noopener noreferrer">body of evidence</a> supports another factor – and that’s the food we eat.</div>
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<div><b>Read <a href="/howto/guide/how-to-increase-serotonin" rel="noopener">how to increase your serotonin</a> and <a href="/health/5-ways-food-you-eat-affects-your-brain" rel="noopener">five ways the foods we eat can affect our brain</a>. Plus, you’ll<strong> find more bonus content from our experts, designed to help you feel your best, such as <a href="/howto/guide/active-diet-plan" rel="noopener">how to get more active</a>, <a href="/howto/guide/healthy-diet-plan-how-cut-back-sugar" rel="noopener">how to cut back on sugar</a> and <a href="/howto/guide/healthy-diet-plan-how-support-your-immunity" rel="noopener">how to support your immunity</a>.</strong></b></div>
<h2>How does food influence my mental well-being?</h2>
<div>Food, by its very nature, is a powerful reward – eating delicious meals triggers the pleasure centres in our brain to release dopamine. This brain chemical manages our sense of satisfaction and without it we lose interest, lack motivation and feel lacklustre.</div>
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<div>Without doubt some of the pleasure we get from eating certain foods, like chocolate and cake, comes from our culture – we grow up associating these foods with special occasions and rewards. However, the role of food goes beyond being just a ‘comfort’, our mental well-being and what we eat appear to be intimately entwined. Read on to discover what the science tells us.</div>
<h2>What is the research on food and mood?</h2>
<div>Over the last decade, our understanding of the complex relationship we have with food has grown exponentially. <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6225396/" target="_blank" rel="noopener noreferrer">Recent studies</a> reveal how intricately connected our gut, brain, nervous system and behaviour are. This connection is thought to be multi-modal and operates via physical, chemical and even microbial means.</div>
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<div>Our gut and brain are physically linked by millions of nerves, the most important of which is the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5859128/" target="_blank" rel="noopener noreferrer">vagus nerve</a>. Chemicals including serotonin, the smile-inducing, feel-good brain chemical, are produced in both the brain and the gut, and communicate via the nervous system, whilst beneficial <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4393509/" target="_blank" rel="noopener noreferrer">gut microbes</a> play an important regulatory role. But these trillions of microbes don’t stop there, they also influence our emotional well-being by producing neuroactive substances, including <a href="https://www.frontiersin.org/articles/10.3389/fendo.2020.00025/full#B17" target="_blank" rel="noopener noreferrer">short chain fatty acids</a> (SCFA), which help lift dark moods.</div>
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<div>This intricate network of activity relies heavily on the food we eat, with key nutrients like <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6170050/" target="_blank" rel="noopener noreferrer">omega-3 fatty acids</a>, protein, vitamin D, the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6170050/" target="_blank" rel="noopener noreferrer">B complex of vitamins</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6170050/" target="_blank" rel="noopener noreferrer">zinc</a>, iron and fibre all playing a part in helping to keep us positive and happy.</div>
<h2>How can I support my mood with food?</h2>
<p>Start by making these five simple changes to what and how you eat:</p>
<h3><strong>1. Eat a minimum of 5-a-day</strong></h3>
<p><a href="/recipes/peach-orange-yogurt-pots-ginger-oats" target="_blank" rel="noopener"><div class="image-handler__container image-handler__container–full" style="padding-bottom: calc(100% * (350 / 700));">
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<div>Studies show that when we eat more fruit and vegetables, we experience a <a href="https://pubmed.ncbi.nlm.nih.gov/31906271/" target="_blank" rel="noopener noreferrer">positive effect</a> on our mental health. Including a variety of colourful vegetables in our diet may even help to lower levels of <a href="https://pubmed.ncbi.nlm.nih.gov/26691768/" target="_blank" rel="noopener noreferrer">depression</a>. The exact mechanism behind this isn’t fully understood, but it may be because fresh produce is packed with protective antioxidants which help to keep the brain in good health. Certain fruit and vegetables may be even more helpful. Take bananas – they’re a good source of vitamin B6 and supply tyrosine and tryptophan, all of which are needed to make the feel-good brain chemicals dopamine and serotonin. Another helpful hack is to include fruit and vegetables that are rich in the phytochemical <a href="https://pubmed.ncbi.nlm.nih.gov/21190052/" target="_blank" rel="noopener noreferrer">quercetin </a>which inhibits the enzyme that breaks down feel-good hormones. Kale, berries, apples, onions and grapes are all good sources of quercetin.</div>
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<div><strong>Top tip:</strong> choose whole fruit and vegetables, rather than juices. Frozen fruit and vegetables are a great choice when the fresh equivalent is out of season. Give it a go with our recipe for <a href="/recipes/peach-orange-yogurt-pots-ginger-oats" target="_blank" rel="noopener">peach & orange yogurt pots with ginger oats</a>.</div>
<h3>2. Eat the right fats</h3>
<p><a href="/recipes/coriander-salmon-with-curried-quinoa-pomegranate" target="_blank" rel="noopener"><div class="image-handler__container image-handler__container–full" style="padding-bottom: calc(100% * (350 / 700));">
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<div>The type of fats we eat can affect our mood. That’s because the right fat contributes to the flexible structure of our brain cells and plays an important role in brain development. We typically refer to these fats as essential because we have to get them from the foods we eat. Of particular note are the omega-3 fatty acids which are found in oily varieties of fish such as salmon, trout and sardines. These supply potent <a href="https://pubmed.ncbi.nlm.nih.gov/31383846/" target="_blank" rel="noopener noreferrer">forms of omega-3</a>, which is linked to lower <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6769512/" target="_blank" rel="noopener noreferrer">levels of depression</a>. Oily fish is also a valuable source of <a href="https://pubmed.ncbi.nlm.nih.gov/17258168/" target="_blank" rel="noopener noreferrer">vitamin D</a>, which appears to be helpful in supporting the cognition of older adults.</div>
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<div>If you prefer not to eat fish or follow a plant-based diet, look to chia seeds, flaxseeds, hemp seeds and walnuts instead. However, be aware that plant sources supply a less active form of omega-3, so you may need to consider a supplement. A handful of nuts and seeds has additional benefits – they supply mood-boosting nutrients such as tryptophan, the precursor to serotonin, as well as zinc and iron.</div>
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<div><strong>Top tip:</strong> make at least one portion of your weekly <a href="https://www.nhs.uk/live-well/eat-well/fish-and-shellfish-nutrition/" target="_blank" rel="noopener noreferrer">fish intake</a> an oily variety, such <a href="/recipes/coriander-salmon-with-curried-quinoa-pomegranate" target="_blank" rel="noopener">coriander salmon with curried quinoa & pomegranate</a>.</div>
<h3>3. Eat a low-GI diet</h3>
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<div>Reducing your <a href="https://www.researchgate.net/publication/318726538_Sugar_intake_from_sweet_food_and_beverages_common_mental_disorder_and_depression_Prospective_findings_from_the_Whitehall_II_study" target="_blank" rel="noopener noreferrer">sugar intake</a>, eating regular meals and minimising your consumption of refined carbohydrates will help to stabilise blood sugar levels and prevent mood swings. Choose fibre-rich foods with <a href="/howto/guide/spotlight-low-gi">lower GI values</a> and opt for <a href="https://www.pcrm.org/good-nutrition/food-and-mood" target="_blank" rel="noopener noreferrer">whole foods</a> rather than processed options. Eating this way slows your digestion and allows for a steady and sustained release of glucose which your brain, mood and energy levels will thank you for.</div>
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<div><b>Top tip: </b>get your sugar hit from whole fruits and sweeter tasting veggies like sweet potato and beetroot. Start your day with our naturally sweetened <a href="/recipes/homemade-muesli-oats-dates-berries" target="_blank" rel="noopener">homemade muesli with oats, dates & berries</a> and swap sugary drinks for sugar-free options or water – aim for six to eight glasses per day.</div>
<h3>4. Eat gut-friendly foods</h3>
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<img class="wp-image-446154 align size-full image-handler__image image-handler__image–full no-wrap js-lazyload" srcset="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://images.immediate.co.uk/production/volatile/sites/30/2020/08/sauerkraut-how-does-diet-affect-gut-health-main-image-700-350_0-593717b.jpg?quality=90&resize=620%2C310" width="700" height="350" alt="How food affects your mood: healthy diet plan winter 2021" title="Healthy Diet Plan: how food affects your mood">
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<p>Frequently dubbed ‘the second brain’, our gut plays an important role in lifting our mood. For this reason, following a gut-friendly diet which supports your <a href="/howto/guide/microbes-me" rel="noopener noreferrer">gut microbiome</a> is key. Minimise your use of processed foods, which often contain additives such as <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6899614/" target="_blank" rel="noopener noreferrer">emulsifiers </a>as these may disrupt beneficial gut bacteria. Include <a href="/howto/guide/health-benefits-offermenting" rel="noopener noreferrer">fermented foods</a> in your diet each day such as kefir, sauerkraut, miso, kimchi and live yogurt – these will top up the levels of good gut bacteria.</p>
<p>Wholegrains, as well as legumes, contribute the fibre needed to fuel our gut microbes, so include oats, wholewheat bread or pasta and pulses in your diet.</p>
<p>If you’re not used to eating fibre, start slowly. One option is to support your gut microbes by creating <a href="https://mbio.asm.org/content/8/5/e01343-17" target="_blank" rel="noopener noreferrer">resistant starch</a> – you can do this by cooking and cooling rice, pasta and potatoes. This method of preparation changes the chemical structure of the carbohydrate, creating a starch which behaves more like fibre. This will keep you fuller for longer, slows the release of energy and fuels your gut microbes.</p>
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<div><b>Top tip:</b> when buying fermented foods, check the labels for descriptions such as ‘raw’, ‘unpasteurised’ or ‘contains live cultures’. Or try <a href="/recipes/simple-sauerkraut">making your own sauerkraut</a> with our easy recipe.</div>
<h3>5. Eat adequate amounts of protein (with carbs)</h3>
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<img class="wp-image-885852 align size-full image-handler__image image-handler__image–full no-wrap js-lazyload" srcset="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="https://images.immediate.co.uk/production/volatile/sites/30/2024/05/Creamy-spinach-mushroom-penne-HDP-page-cce8897.jpg?quality=90&resize=620%2C310" width="700" height="350" alt="Creamy spinach & mushroom penne" title="Creamy Spinach + Mushroom Penne">
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<p>Levels of the feel-good brain chemicals serotonin and dopamine are influenced by <a href="https://www.ncbi.nlm.nih.gov/books/NBK209058/" target="_blank" rel="noopener noreferrer">what we eat</a>, as well as the amount of physical activity we do. Our brain uses the amino acid tryptophan to make serotonin, but while it’s plentiful in animal foods like turkey, studies suggest a diet high in protein may lead to more amino acids in the blood, competing with these chemicals.</p>
<p>Therefore, <a href="https://academic.oup.com/ajcn/article/77/1/128/4689642" target="_blank" rel="noopener noreferrer">studies suggest</a> eating protein with carbohydrate to help absorb these competing amino acids. This makes it easier for tryptophan to increase serotonin levels.</p>
<div><b>Top tip:</b> include plant-based sources of tryptophan in your diet, such as sunflower and pumpkin seeds, soya, mushrooms, peas and leafy greens, as well as dairy and poultry. Useful tyrosine-containing foods, which help support dopamine levels, include peanuts, almonds, pumpkin and sesame seeds and soya as well as lamb, beef and dairy. Enjoy our <a href="/recipes/creamy-spinach-mushroom-penne" target="_blank" rel="noopener">creamy spinach & mushroom penne</a>.</div>
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<div>Get cooking with our <a href="/howto/guide/top-10-healthy-mood-boosting-recipes">top mood-boosting recipes.</a></div>
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<div>If you experience low mood or anxiety, try our diet suggestions to support your mental well-being. However, if you are on mood-stabilising medication and/or experience significant mood-related issues, please consult your GP before you make any significant change to your diet. It’s important to seek emergency assistance if you are experiencing thoughts of self-harm.</div>
<p><strong>Find out more about our <a href="/healthy-diet-plan">latest Healthy Diet Plan</a>.</strong></p>
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<h2>Enjoyed this? Get more Healthy Diet Plan tips</h2>
<p><a href="/howto/guide/healthy-diet-plan-how-cut-back-sugar">How to cut back on sugar</a><br>
<a href="/howto/guide/healthy-diet-plan-how-improve-your-digestion">How to improve your digestion</a><br>
<a href="/howto/guide/active-diet-plan-2019">How to get more active</a><br>
<a href="/howto/guide/healthy-diet-plan-how-support-your-immunity">How to support your immunity</a><br>
<a href="/howto/guide/health-benefits-of-magnesium">Health benefits of magnesium</a></p>
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<p>Kerry Torrens BSc. (Hons) PgCert MBANT is a BANT registered nutritionist® with a postgraduate diploma in personalised nutrition & nutritional therapy. She is a member of the British Association for Nutrition and Lifestyle Medicine (BANT) and a member of the Guild of Food Writers. Over the last 15 years she has been a contributing author to a number of nutritional and cookery publications including Good Food.</p>
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<div><em>All health content on <span class="skimlinks-unlinked">goodfood.com</span> is provided for general information only, and should not be treated as a substitute for the medical advice of your own doctor or any other healthcare professional. Any healthy diet plan featured by Good Food is provided as a suggestion of a general balanced diet and should not be relied upon to meet specific dietary requirements. If you have any concerns about your general health, you should contact your local healthcare provider. See our website <a href="https://www.immediate.co.uk/terms-and-conditions" target="_blank" rel="noopener noreferrer">terms and conditions</a> for more information.</em></div>
Healthy Diet Plan: how food affects your mood
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