Food & Drink

The word “vegan” still puts a lot of people off. But the research on plant-based eating does not require you to go all the way to get most of the benefit. Here is what the evidence says, what to stock, and how to make it work.

It sounds like a commitment, a label, a lifestyle. But eating more plants, not exclusively plants, is one of the most well-evidenced things you can do for your health and for the planet.

This guide is for people who want to eat better, not for people who want an identity. Here is what the evidence actually says, what to stock, and how to make it easy.

Why plant-based eating is worth trying even if you are not going fully vegan

There is a wide spectrum between eating a standard Western diet and being fully vegan. Flexitarian, vegetarian, pescatarian – all involve eating more plants and less meat, and all deliver meaningful benefits relative to where most people currently are.

A 2025 modelling study in Frontiers in Nutrition, with Dr Noelia Rodríguez-Martín of the Instituto de la Grasa-CSIC and the University of Granada as corresponding author, found that a vegan diet cut daily greenhouse gas emissions by 46% compared to an omnivorous Mediterranean diet, while ovo-lacto and pesco-vegetarian diets cut emissions by up to 35%. The headline: you do not need to go fully vegan to move the needle. Every meal with more plants counts.

On the health side, the picture is equally clear. A 2024 analysis by the Office of Health Economics, commissioned by The Vegan Society, estimated that if everyone in England adopted a plant-based diet, the NHS could save around £6.7 billion a year, with 2.1 million fewer cases of disease and more than 170,000 additional quality-adjusted life years. The conditions with the strongest evidence for improvement were cardiovascular disease, type 2 diabetes, and several forms of cancer.

None of this requires perfection. It requires direction.

What does the evidence actually say about plant-based diets and health?

Plant-based diets are typically lower in saturated fat and higher in fibre, antioxidants and phytochemicals. The evidence linking plant-based eating to cardiovascular disease prevention is strong, with improvements in weight, cholesterol, blood pressure and blood glucose all well-documented in both observational studies and randomised controlled trials.

The NHS is clear on this: a well-planned plant-based diet can meet all nutritional needs at every life stage. The word “planned” is doing important work in that sentence. A handful of nutrients need attention.

There is now compelling evidence that plant-based diets can benefit people’s health. – Dr Chris Sampson, Senior Economist, Office of Health Economics (2024)

Vitamin B12 is the one that matters most, because it is not found in plants and the NHS recommends vegans either eat fortified foods at least twice a day or take a supplement. That does not mean plant-based eating is compromised – a £3 supplement covers it. But the requirement is non-negotiable, not a technicality.

Iron from plant sources is absorbed less efficiently than iron from meat. Eating iron-rich plants (lentils, chickpeas, tofu, and dark leafy greens) alongside vitamin C-rich foods improves absorption considerably. Not complicated, but worth knowing.

Vitamin D is relevant for everyone in the UK, plant-based or not. The NHS recommends everyone considers a supplement through autumn and winter regardless of diet.

Iodine and calcium need attention if dairy is removed. Fortified plant milks, seaweed and iodised salt cover iodine. Calcium comes from fortified plant milks, tofu, tahini and green leafy vegetables.

The reassuring summary: the nutrients that need managing are manageable. A good multivitamin designed for plant-based eaters covers most of them in one go. Browse our Wellness and Vitality range for options that meet the standard.

The practical bit: what to eat, what to stock, and where people go wrong

The biggest mistake people make when moving toward plant-based eating is treating it as subtraction. Remove the meat. What is left? Not much that is interesting. The better approach is addition first: add the foods that make plant-based eating good, then let meat naturally take a smaller role.

The foods that do the heavy lifting:

Legumes – lentils, chickpeas, black beans and cannellini beans – are the backbone of plant-based eating. Cheap, filling, high in protein and fibre, and delicious when cooked properly. A tin of chickpeas and a jar of tahini will take you further than almost anything else in the cupboard.

Whole grains – brown rice, oats, quinoa, farro and barley – provide sustained energy and texture. Most of the fibre comes from here.

Nuts and seeds – walnuts, almonds, hemp seeds, chia seeds and pumpkin seeds – add fat, protein and flavour. A handful on top of most things makes it better.

Tofu and tempeh are worth learning to cook properly. Pressed tofu, dried and cooked at high heat, bears no resemblance to the soft, watery version most people encounter first. Tempeh has a nuttier, more complex flavour and holds together better.

What to keep in the cupboard at all times: tinned chickpeas, lentils, cannellini beans and black beans. Tinned tomatoes. Tahini. Good olive oil. Miso paste. Soy sauce. Nutritional yeast. These things make everything taste like it took more effort than it did.

Where people go wrong: relying on ultra-processed meat substitutes as the main protein source. Some are fine occasionally. But a diet built around vegan sausages and plant-based burgers is a different thing from a diet built around whole plant foods, and the evidence for health benefits applies to the latter.

The products that make it easy

This is where Ziracle’s job is to have done the work already. Every product in the Nutrition & Superfoods range has passed the same standard on efficacy, ethics and transparency. For plant-based eating, that means organic where it counts, no unnecessary additives, and brands that are honest about what is in the product and where it comes from.

What to look for: good-quality tinned legumes, organic plant milks without unnecessary additives, tahini that is just sesame seeds, nut butters without palm oil or added sugar, and supplements certified fully Vegan rather than plant-adjacent.

The brands that make the best plant-based eating possible are the ones making food that tastes good, not food that tastes like a compromise. That is the bar. For more on how what you eat affects how you feel, read our guide to how food affects mood.

How to make it stick without making it a project

The research on behaviour change is consistent: starting small and staying consistent beats starting ambitious and dropping off. One or two plant-based meals a week is a real change. Three or four is a meaningful shift. Five is most of the week.

Pick one meal to change first. Most people find breakfast or lunch easier than dinner, because there is less social pressure and fewer expectations. Porridge with seeds and fruit. A lentil soup. A chickpea salad. None of these require a recipe book.

Cook in batches. A big pot of lentil dal, a tray of roasted vegetables, a pan of rice. These take 30 minutes once and feed you several times. The people who eat well consistently are not the ones who cook every day – they are the ones who cook a few things that stretch across the week.

Do not make it a rule. Rules create failure states. If you eat meat at a friend’s dinner and enjoy it, that is fine. The overall direction matters more than any individual meal. Every choice adds up, not because you are obligated to be perfect, but because small consistent changes compound into something real over time.

Plant-based does not have to mean all-in. Direction, not identity. Browse Eat Well for the products that have already passed the Ziracle standard on efficacy, ethics and transparency.

FAQ

Ten years ago, the non-alcoholic aisle was a lineup of fruit juice and lime and soda. Now it runs from distilled 0% spirits to fermented teas to seriously considered low-ABV options, and the quality gap with the alcoholic versions has closed faster than almost any category in drinks. For anyone reconsidering how often they drink, the practical question has changed. It is no longer whether there is a decent alternative. It is which one.

This is a guide to three categories worth your money, what the evidence says about drinking less, and how to shop without getting taken in by marketing.

Why this category has finally caught up

The UK’s Chief Medical Officers revised their low-risk guidance in 2016 to recommend no more than 14 units of alcohol a week, spread across three or more days, with several drink-free days. A generation of drinkers has taken that seriously, and the drinks industry has followed. Non-alcoholic beer has grown into a real category in UK supermarkets. 0% spirits have moved from novelty to restaurant lists. Kombucha and other fermented drinks have gone from health-food-shop niche to standard stock.

The old assumption that the only alternative to wine was water has dated badly.

0% spirits: the aperitif that behaves like one

Non-alcoholic botanical spirits are the newest serious category. Brands distil them using the same botanicals that give gin, vermouth and amari their character, then finish them without alcohol. The good ones are built to be mixed, not sipped neat, and behave in a cocktail the way their alcoholic counterparts do. The ritual works. The glass looks right. The evening holds.

What they deliver, and do not, is specific. They give you complex flavour and the shape of a pre-dinner drink. They do not give you the sedative hit. That is the point, and it is why they work at dinner on a Tuesday when you want a grown-up drink but not a grown-up hangover.

Price is the honest trade. A good 0% spirit costs roughly what a mid-range gin costs, which surprises people expecting something cheaper. You are paying for distillation and botanicals, not for alcohol duty, and the production cost is similar.

Low-ABV: the middle ground

Low-ABV drinks, typically between 0.5% and 5% alcohol, are where the category has improved most recently. Early attempts tasted thin. Modern craft versions hold up. You can have one with dinner and still drive home, sleep properly, and wake up clear.

The case for low-ABV over 0% is social and sensory. Sometimes you want the edge of a proper drink, not the shape of one. A low-ABV vermouth in a spritz, a 3% pale ale with a Friday curry. One drink, still within the CMO’s guidance, no consequences the next morning. The combination is what makes this category useful for people who drink socially but want to drink less.

Kombucha: the fermented middle option

Kombucha is fermented sweetened tea, made with a symbiotic culture of bacteria and yeast. It arrives with a fine fizz, a tart-sweet flavour, and a label that usually claims gut-health benefits. The honest state of the evidence is more nuanced than the marketing.

A 2024 clinical trial published in Scientific Reports found that four weeks of daily kombucha consumption produced measurable shifts in the gut microbiome, including enrichment of Weizmannia coagulans, a probiotic strain associated with digestive health. A 2025 systematic review of eight clinical trials in the journal Fermentation concluded that kombucha consumption was associated with improvements in gastrointestinal symptoms, particularly stool consistency, with modest effects on gut microbiota composition overall. Claims about energy, immunity and sleep remain largely untested in humans.

The takeaway: kombucha is probably good for your gut at the margin. It is not a cure for anything. It is a genuinely nice drink that does more for digestion than a diet cola and contains a fraction of the sugar of a regular soft drink, if you choose the right brand.

What actually happens when you drink less

The evidence for better sleep is the strongest of the benefits people cite. A 2024 systematic review and meta-analysis in Sleep Medicine Reviews, pooling 27 studies, found that even a low dose of alcohol (around two standard drinks) reduced REM sleep, with effects worsening as the dose went up. 

An earlier review in Alcoholism: Clinical and Experimental Research (Ebrahim et al., 2013) established the pattern still cited today: alcohol gets you to sleep faster, then fragments the second half of the night as it metabolises. Less REM means less emotional processing and less memory consolidation, which is why you can sleep a full eight hours after drinking and still feel depleted.

Beyond sleep, the effects are real but less dramatic than wellness content often suggests. Most people notice steadier mood and better morning energy within a week or two of cutting back. Skin can look clearer. Digestion often settles. Weight change, where it happens, is usually slow rather than dramatic, and usually follows from reduced late-night eating and alcohol calories combined rather than from any metabolic magic.

The single honest summary: less alcohol means better sleep, and better sleep improves almost everything else.

For more on why sleep architecture matters, see our sleep guide.

What to look for when you shop

A few rules hold across the three categories.

Shorter ingredient lists almost always beat longer ones. In 0% spirits, look for real botanicals rather than flavourings. In kombucha, look for live cultures, a short sugar list, and ideally the specific strains named on the label. In low-ABV, look for craft brewers rather than re-labelled supermarket lager.

Avoid artificial sweeteners. The whole point of the category is that these drinks are enjoyable on their own terms, not as diet versions of something else.

Taste before you commit. Buy one bottle rather than a case, and try it properly. A drink you actively enjoy is one you will keep reaching for. A drink you tolerate goes back of the cupboard within a month.

Price to quality ratio matters more here than in most drinks categories. A £25 0% spirit that makes a cocktail you look forward to is better value than a £10 one you stop using after two weekends.

Where to start on Ziracle

Every brand in our Food and Drink edit has passed the same standard: honest ingredients, transparent sourcing, and production that takes ethics seriously. Filter by Organic for whole-ingredient options, or browse by category: Kombucha, Low and No Alcohol, or the full Cellar range including teas and coffees.

If you are using drinks changes as part of a broader digestive reset, our bloating guide covers the food side.

For integrated support across digestion and daily choices, Gut Health is the goal page to bookmark.

FAQs

Body image in the UK isn’t in a good place. A 2020 inquiry by the UK Parliament’s Women and Equalities Committee heard extensive evidence that negative body image affects a majority of British adults, with measurable effects on mental health, self-esteem and quality of life. Eating disorder support charity Beat estimates that approximately 1.25 million people in the UK have an eating disorder. Hospital admissions for eating disorders have climbed substantially in recent years, according to NHS Digital data.

Despite all of this, the diet industry continues to market restriction as the path to health. Diet culture tells you your body is the problem. The real problem is the narrative.

Here’s what diet culture actually costs, why the restriction model keeps failing, and what a healthier relationship with food can look like instead.

The body image crisis underneath diet culture

The negative feelings people have about their bodies don’t arrive from nowhere. They’re cultivated. Marketing, social media, the medical establishment, family conversations, wellness apps. All of it converges to tell you your body is wrong and needs fixing. You’ve internalised these messages so completely that you might believe they’re your own thoughts.

A 2019 review in Body Image summarised a large body of evidence that exposure to idealised, filtered images on social media is associated with reduced body satisfaction, increased anxiety and disordered eating behaviours across a wide range of populations.

The cost is real. People develop eating disorders. They develop orthorexia, an unhealthy preoccupation with ‘clean’ eating that becomes psychologically harmful. A 2001 review in the International Journal of Obesity summarising long-term weight loss studies found that the majority of dieters regain lost weight within five years, often with significant additional gain. Chronic stress from constant self-monitoring becomes normal. Your nervous system stays activated. Your mental health suffers. The cycle of shame and restriction benefits no one except the diet industry.

Diet culture tells you your body is the problem. The real problem is the narrative.

Why restriction-based dieting doesn’t work long-term

Your body isn’t a simple maths problem. The calories-in-calories-out framing oversimplifies how metabolism, hormones and digestion actually work. Different foods have different effects on satiety, hormonal response and energy use, even at the same calorie count.

Your body also resists restriction actively. A 2011 study in the New England Journal of Medicine led by researchers at the University of Melbourne tracked hormonal changes after weight loss and found that levels of ghrelin (the hormone that increases appetite) and leptin (which signals fullness) shifted significantly and persistently, in ways that drove hunger up and fullness signals down for at least a year after dieting ended. Your body is biologically built to push back against sustained restriction. Restriction-based dieting works short-term because of willpower. Long-term, you’re fighting biology, and biology usually wins.

This isn’t about willpower or personal failure. It’s about a model that doesn’t match how human physiology works.

Set point theory and why bodies resist change

Y our body has a set point, a genetically and environmentally shaped weight range it tends to maintain. The hypothalamus monitors signals related to this range and adjusts appetite and energy expenditure to return the body toward it. A 2018 review in F1000Research summarised the evidence for weight set-point theory and the hormonal mechanisms involved.

This isn’t failure. It’s your body doing what evolved to do over hundreds of thousands of years: protect you from starvation. Fad diets try to override this system through willpower. The body wins eventually. Once people stop restricting (and most do, because sustained restriction is unsustainable), the body returns toward its set point. The cycle begins again. The individual blames themselves. The industry blames their willpower. No one blames the flawed model.

Orthorexia and the perfectionist trap

Orthorexia, a term coined by Dr Steven Bratman in 1996, describes an unhealthy preoccupation with eating ‘pure’ or ‘perfect’ food. It often starts as health-consciousness and evolves into rigidity, anxiety and psychological harm. Beat describes orthorexic patterns as including inability to be flexible with food, eating alone to avoid judgment, distress when certain foods are present, and the preoccupation with food quality consuming mental energy that could go elsewhere.

Orthorexia isn’t currently recognised as a distinct clinical diagnosis in the DSM-5 or ICD-11, but researchers and clinicians increasingly take it seriously as a real pattern of disordered eating. It often develops when perfectionism is applied to ‘clean eating’. Someone can think they’re being healthy while actually becoming disordered. The line between health-consciousness and disorder is thinner than most people realise.

A neutral relationship with food

The alternative to diet culture isn’t another diet. It’s a fundamental shift in how food is framed.

Food isn’t morally good or bad. You aren’t ‘being good’ by eating a salad or ‘being bad’ by eating cake. You’re simply eating. Neutrality replaces morality. The approach broadly described as intuitive eating, developed by Evelyn Tribole and Elyse Resch and summarised on the Intuitive Eating website, rests on this neutrality and on learning to recognise internal hunger and fullness signals rather than external rules.

This doesn’t mean eating only what tastes good in the moment. It means eating cake without the anxiety and shame, then eating vegetables because they nourish you, not to ‘compensate’ for earlier choices. It means a relationship with food that’s neutral rather than fraught.

Moving beyond restriction

If you’re coming out of diet culture, letting go of restriction can feel radical. It’s worth doing gradually and, ideally, with support. A 2021 systematic review in the Journal of the Academy of Nutrition and Dietetics summarising intuitive eating intervention studies found the approach was associated with improvements in psychological wellbeing, reductions in disordered eating behaviours, and more stable long-term eating patterns compared with restriction-based approaches.

Some people find a flexitarian approach (reducing but not eliminating animal products) works, alongside a focus on whole foods and how food makes you feel rather than calorie arithmetic. Adding nourishing foods and, where needed, supplements to fill specific nutritional gaps is about nutrition, not restriction. Browse Wellness and Vitality for evidence-based supplements and The Pantry range for whole-food staples.

The shift is subtle but complete: eating becomes something the body asks for rather than something the brain polices.

When to seek professional support

If your relationship with food, eating or your body is affecting your daily life, mental health, relationships or physical health, please speak to a GP or contact Beat. Eating disorders, orthorexia and disordered eating patterns are treatable, and early support usually leads to better outcomes. This article is intended as a starting point for rethinking food’s place in your life, not as a replacement for professional care.

Beat’s helpline is free and confidential: 0808 801 0677 (adults) or 0808 801 0711 (under 18), seven days a week. The Samaritans are available on 116 123, free, 24/7. Your GP can refer you to specialist eating disorder services on the NHS.

For more on the broader picture, read our guides to how food affects mood and our self-care guide.

Every brand in the Food and Drink category on Ziracle has passed the same standard: honest ingredients, transparent sourcing, and production that takes ethics seriously. Filter by Organic for whole-food options made without synthetic additives.

Ready to step away from the cycle? Browse the Eat Well edit and start with one meal at a time.

FAQs

The 3pm crash after a sugary lunch. The low mood that follows a weekend of takeaways. The subtle shift in how manageable everything feels after two weeks of proper meals. None of this is personality. It is biochemistry, and it is one of the more useful things to understand about your own brain.

Food does not just fuel the body. It builds the chemicals the brain uses to regulate mood, motivation, sleep, and stress tolerance. Once you see the pathway, your choices around food start to feel less moral and more mechanical. The work becomes adjusting inputs, not managing guilt.

The gut-brain axis, briefly

Around 90% of the body’s serotonin, the neurotransmitter most closely associated with mood and calm, is produced in the gut rather than the brain. The 2015 Cell paper by Yano and colleagues at Caltech showed that specific gut bacteria signal intestinal cells to produce it. Take those bacteria away in germ-free mice, and serotonin drops by more than half.

The gut and brain are in constant two-way conversation through the vagus nerve, the immune system, and the hormones they each produce. What you eat changes the microbiome. The microbiome changes the neurotransmitters. The neurotransmitters change how you feel, which changes what you reach for next. This is why a bad-eating week lowers mood, and a low mood drives the bad-eating week. The loop is the point.

A 2024 review in Medicine pulled this together across the current literature: gut microbiota modulate serotonin, dopamine, GABA, and glutamate, all of which are directly implicated in depression, anxiety, and stress response. This is no longer fringe nutrition. It is mainstream psychiatric research.

Amino acids build specific feelings

Neurotransmitters are built from amino acids you get from food. Tryptophan becomes serotonin (calm, contentment, steady mood). Tyrosine becomes dopamine (motivation, focus, drive). The body cannot synthesise tryptophan at all, so every molecule you have came from something you ate.

Tryptophan-rich foods: chickpeas, oats, eggs, tofu, turkey, salmon, bananas, almonds, pumpkin seeds. Research published in Nutrients confirmed that tryptophan crosses the blood-brain barrier more efficiently when paired with a carbohydrate, which is why oatcakes with almond butter or lentils with brown rice works better than either alone.

Tyrosine-rich foods: seeds, wholegrains, lentils, nuts, eggs, dairy, lean meat, dark chocolate. Useful for the mornings when the problem is motivation rather than anxiety. Protein at breakfast, rather than leaving it until dinner, front-loads tyrosine for the day.

Why sugar does work, briefly, and then doesn’t

Refined sugar genuinely does raise serotonin in the short term. This is the frustrating part of the comfort-eating loop: it is not imagined. The crash is also not imagined. Blood sugar spikes, then drops below where it started. Mood follows. The brain logs “sugar fixed it” and the pattern reinforces.

The workaround is not willpower. It is choosing foods that raise serotonin without the crash: slow carbohydrates paired with protein, fermented foods that feed the microbiome, consistent meals rather than long gaps followed by collapse. If you want to go deeper on this, the companion piece is natural ways to boost serotonin and dopamine.

The foods that actually build resilience

Omega-3 fatty acids. The brain is roughly 60% fat, and omega-3s (from oily fish, walnuts, flaxseeds) are structural components of brain cells. A 2019 meta-analysis in Translational Psychiatry found omega-3 supplementation produced measurable antidepressant effects, particularly at higher EPA doses.

Fermented foods. Kefir, kimchi, sauerkraut, miso, live yoghurt, kombucha. They introduce bacterial strains that the microbiome uses to produce and modulate neurotransmitters. A 2015 study in Psychiatry Research from William & Mary and the University of Maryland found fermented food intake was associated with reduced social anxiety symptoms in young adults.

B vitamins, zinc, magnesium. Cofactors in the chemistry that converts tryptophan to serotonin and tyrosine to dopamine. Deficiency shows up as a flat mood before it shows up as anything clinical. Wholegrains, leafy greens, nuts, seeds, and eggs cover most of it.

Polyphenols from plants. The colour pigments in berries, dark leafy greens, olive oil, and cacao. Antioxidant effects, anti-inflammatory effects, measurable microbiome effects. Variety matters more than any single “superfood.”

Consistency beats perfection

One salmon dinner will not fix anything. A consistent pattern of protein at breakfast, a mix of plants across the week, fermented foods a few times a week, and less reliance on refined sugar will shift how you feel. A 2017 Australian SMILES trial in BMC Medicine randomised adults with moderate-to-severe depression into either dietary counselling (towards a Mediterranean-style pattern) or social support. After 12 weeks, the diet group showed clinically meaningful improvements in depression scores. A food-as-medicine trial, with food as the only intervention.

A note on absorption: if bloating, IBS, or reflux is disrupting digestion, nutrient uptake drops and the rest of the strategy falters. The best foods for bloating guide covers the absorption side.

When food is part of the answer, and when it is not

Food matters. It is rarely the whole picture. Clinical depression, anxiety disorders, and other mental health conditions usually need more than a dietary shift, and sometimes need medication, therapy, or both. Food supports those treatments, it does not replace them. If mood is sustained low for more than two weeks, or if it is interfering with daily life, talk to your GP. Mind UK has clear, non-alarmist information on the treatment pathways available.

If what you want is a steadier baseline, start small. Protein and slow carbs at breakfast for two weeks. Notice what shifts. The connection becomes undeniable once you feel it.

Explore more in Gut Health, or browse Eat Well for the full set of food-and-mood guides.

FAQs