The British Heart Foundation's senior dietitian Victoria Taylor puts it plainly: winter comfort food cravings "likely come from how these foods make us feel, rather than a physical need" (Source: BHF, 2026). At the same time, the British Dietetic Association confirms that diet genuinely does interact with mood, through specific nutrients and eating patterns, even if some popular claims about food and mood go further than the evidence supports (Source: BDA, 2026). This article sets out what's actually going on, and what tends to help.
Who this is for
You've noticed you're craving heavier food, eating more than usual, or feeling like your energy dips once it gets dark early, and you want to know whether that's something to manage or just a normal part of the season. This is also for anyone who read about seasonal low mood and wants to understand how eating fits into that picture.
Why cravings actually change in winter
According to the BHF, winter comfort food cravings are driven more by mood and environment than by any real change in what your body needs nutritionally. Lower mood during darker months, spending more time indoors in front of the television, and seeing rich, festive food advertised everywhere all play a part (Source: BHF, 2026). None of this means something is wrong with you. It's a genuinely common, understandable pattern.
The advice here isn't to cut these foods out. The dietitian quoted is direct about it: "it's fine to treat yourself occasionally" (Source: BHF, 2026). The more useful approach is small swaps that keep the comfort without losing balance, warm porridge with fruit instead of a cold breakfast, vegetable and bean soups instead of a salad, root vegetables and legumes bulked into stews and curries, and unsaturated oils in place of butter or lard where you can.
What diet can, and can't, do for your mood
The BDA is careful to separate what's genuinely supported from what's overclaimed. Regular meals containing carbohydrates help keep blood sugar steady, which supports concentration, and low blood sugar is linked to tiredness and mental fog (Source: BDA, 2026). Deficiencies in B vitamins, iron, and folate are all linked to tiredness, low mood, or irritability, and there's research suggesting omega-3s from oily fish may help reduce symptoms of depression.
At the same time, the BDA is explicit that some popular ideas don't hold up well: there isn't enough evidence that eating specific amounts of protein or carbohydrate directly lifts mood in the way it's sometimes claimed, and chocolate's mood-boosting reputation seems to come from cultural association rather than anything unique in cocoa itself (Source: BDA, 2026). One winter-specific point worth knowing: the BDA recommends everyone consider a vitamin D supplement during the winter months, when there's less sunlight to make it naturally (Source: BDA, 2026).
Bringing this together with low mood
If you've read about seasonal low mood and wondered whether food plays a part, the honest answer is: partly, and mostly around steadiness rather than any single food fixing things. Eating regularly, keeping an eye on nutrients linked to energy and mood such as B vitamins and iron, and considering a vitamin D supplement over winter are all reasonable, evidence-backed steps. None of this replaces speaking to a GP if low mood is affecting your day to day life, but it's a sensible part of looking after yourself through the darker months.
Winter comfort food cravings are mostly driven by mood and environment rather than a genuine nutritional need, according to the British Heart Foundation, and treating yourself occasionally is a normal, fine part of that (Source: BHF, 2026). The British Dietetic Association confirms that regular meals, adequate B vitamins, iron and folate, and omega-3s are genuinely linked to steadier mood and energy, while cautioning that some popular claims about specific foods and mood go beyond what the evidence supports (Source: BDA, 2026). The BDA also recommends everyone consider a vitamin D supplement during winter months. Small, sustainable swaps, rather than cutting out comfort food altogether, are the most realistic way to eat well through a darker, colder season.
Questions people often ask
Yes, to a degree. Regular meals help keep blood sugar steady, and nutrients like B vitamins, iron, folate and omega-3s are linked to energy and mood, according to the British Dietetic Association. Some more specific popular claims about food and mood aren't as well supported by evidence (Source: BDA, 2026).
Mostly down to mood and environment rather than a genuine change in nutritional need, according to the British Heart Foundation, lower mood, more time indoors, and seeing rich food advertised everywhere all play a part (Source: BHF, 2026).
Not inherently. The British Heart Foundation's own advice is that it's fine to treat yourself occasionally, and suggests small swaps, like warm porridge or bean-based soups, rather than cutting comfort food out altogether (Source: BHF, 2026).
Eating regularly to keep blood sugar steady, getting enough B vitamins, iron and folate, and considering a vitamin D supplement over winter, since sunlight is limited, are all reasonable, evidence-backed steps (Source: BDA, 2026).
If low mood is affecting your day to day life, it's worth speaking to a GP first. Diet is a sensible part of looking after yourself through winter, but it isn't a replacement for professional support if low mood is more than a mild dip.
This article is for general information only and is not a substitute for professional medical advice. If you are concerned about a specific symptom, please see a GP or other qualified healthcare provider.