Autumn Foods for Immunity, Mood and Brain Health: A Nutritionist's Guide 

1. Key nutrients for immunity and mood 

Seasonal autumn vegetables such as pumpkin, sweet potatoes, and apples provide beta-carotene (for immune cell production and glowing skin), vitamin C (antioxidant, stress buffer), and fibre for gut health, supporting our immune health and our emotional wellbeing. Also, let's not forget red cabbage, beetroot, and pears, which are rich in polyphenols that also protect brain health and reduce inflammation. 

2. Overlooked Autumn superfoods 

Some underappreciated autumn "superfoods" here in the UK include mushrooms (vitamin D, selenium, and immune-supporting beta-glucans), kale (B vitamins, iron for hormone and energy support), celeriac (potassium for fluid balance), and swede (vitamin C and glucosinolates for detox pathways). Seasonal nuts like walnuts and hazelnuts are sources of omega-3s and antioxidants. At the same time, sea buckthorn berries (which are grown in coastal UK) offer one of the highest vitamin C levels of any fruit!  

3. Craving comforting foods 

It feels natural for our food choices to change with the seasons. As the weather cools, many of us swap lighter summer meals for warm, filling dishes that highlight autumn produce. Instead of resisting this change, we can enjoy it with roasted squash and root vegetables, lentil or bean stews, hearty soups, or spiced porridge with apples and nuts. These meals offer comfort and warmth, along with fibre, slow-release carbs, and lots of nutrients. And if you want something sweet, a bit of dark chocolate with nuts can be a perfect treat. 

4. The relationship between gut health and mood 

Our gut and brain are always in touch through what’s known as the gut-brain connection, and our gut bacteria play a big role in this connection. Autumn is a great time to support them by eating a mix of fibre-rich, colourful plant foods like leeks, carrots, squash, beans, apples, and pears. Fermented vegetables can also help. Besides sauerkraut and kimchi, you might try beetroot kraut or fermented carrots. These are easier to find now and are simple and affordable to make at home, with lots of recipes online. Ginger and turmeric are also great for autumn meals, adding warmth, flavour, and helpful plant compounds. 

5. Hydration when the weather is cooler

It’s quite easy to forget to stay hydrated when the weather gets cooler, but our bodies still need plenty of fluids in autumn and winter. If cold water doesn’t sound appealing in the morning, try beginning your day with a warm herbal tea. Chamomile is frequently associated with bedtime, but it also makes a gentle morning drink and has long been used to soothe digestion. Ginger or rooibos are other warm, caffeine-free choices, and soups and broths also help you stay hydrated. Adding fresh ginger, orange slices, or warming spices to hot water can make consuming liquids more enjoyable on a cold morning. 

6. Smart seasonal swaps

I tend to swap mashed potatoes for a comforting root vegetable blend (e.g. parsnip, carrot, and swede). You can also use roasted squash or celeriac in pasta sauces for natural creaminess. I choose whole grains like spelt, buckwheat, or barley instead of refined carbs. It's also a good idea to add leafy greens like kale, cavolo nero, or spinach to casseroles or soups, which can also provide an extra mineral boost. As for snacks, I like spicy roasted chickpeas instead of crisps, or oat-based flapjacks with nuts instead of biscuits. 

7. Nutrient retention and cost-effectiveness 

Eating with the seasons is a great way to enjoy produce when it’s at its best and commonly more affordable, while also supporting local UK farmers. But fresh is not always better. Frozen fruits and vegetables are usually frozen soon after picking, so they keep their nutrients well and are a handy, budget-friendly choice. The texture may be softer after thawing, but that’s absolutely fine for soups, stews, sauces, or smoothies. Keeping frozen spinach, peas, berries, or mixed vegetables in your freezer is an easy way to add more plants to your meals and reduce food waste. 

8. Autumn nutrients: brain & mood 

Beta-carotene, vitamin C, and B vitamins from autumn produce can help our mood and cognition through antioxidant effects and neurotransmitter support. Research links higher fruit and veg intake with lower depression risk, a sharper memory, and improved focus. Some of my favourite seasonal brain-nourishing snacks are apple slices with walnut butter, or simply a comforting bowl of pumpkin and lentil soup topped with pumpkin seeds and spices. Tasty and mood health friendly! 
 

About the author: 

Karine Stephan is a Registered Nutritional Therapy Practitioner (MBANT), specialising in women's health, hormones, and ADHD. 

Learn more about Karine's at Happy Living Nutrition. You can also follow her on Instagram here. Read more from Karine here: The Role of Nutrients in ADHD management for Women