How to Support Your Immune System This Autumn: Simple Habits That Make a Difference

There’s something about autumn that makes us want to slow down. The evenings get cosier, the weather gets cooler, and suddenly a warm bowl of soup and an early night sound much more appealing.

But autumn can also bring a change in how we feel. Colder weather, darker mornings, busier routines, and more time spent indoors can make it especially important to pay attention to the habits that support our health.

And when it comes to immune health, there’s no single food, supplement, or “immune-boosting” trick that does all the work.

Instead, think of your immune system as part of the bigger picture of your wellbeing. What you eat, how you sleep, how you move, how you manage stress, and how well you look after your body all have a role to play.

The goal isn’t to create a perfect routine. It’s to build one that gives your body the support it needs, consistently.

Your Immune System Needs More Than One Superfood

It’s easy to see headlines telling us that one particular food is the secret to staying well.

One week it’s ginger. The next, it’s vitamin C. Then suddenly everyone is talking about mushrooms, probiotics, or some new supplement.

The reality is much less dramatic, but much more useful.

Your immune system is a complex network that relies on many different nutrients and processes working together. Your digestive system also plays an important role in immune health, which means that supporting your gut is part of supporting your overall wellbeing.

Rather than asking, “What should I take to boost my immune system?”, a more helpful question might be: “What can I do regularly to give my body the nutritional and lifestyle support it needs?”

That shift takes us away from quick fixes and towards habits that can actually become part of everyday life.

Start With What’s on Your Plate

You don’t need to completely redesign your diet every time autumn arrives.

In fact, some of the best things you can do are remarkably simple: eat a wider variety of foods, include plenty of plants, choose nourishing sources of protein and healthy fats, and make room for foods that provide important vitamins and minerals.

Give Vitamin C a Place at the Table

Vitamin C contributes to normal immune function and helps protect cells from oxidative stress.

And while oranges and lemons tend to get all the attention, they aren’t your only options.

Red peppers, strawberries, kiwi fruit, broccoli, tomatoes, and other fruits and vegetables can all contribute to your vitamin C intake.

Try adding sliced peppers to a stir-fry, berries to your morning oats, or a squeeze of lemon to a glass of water.

Healthy eating doesn't have to look like a complicated meal plan. Sometimes it’s simply adding something extra to what you already enjoy.

Don't Forget About Vitamin D

Vitamin D is particularly relevant during the darker months of the year because sunlight is our main natural source.

Vitamin D contributes to normal immune function, as well as the maintenance of healthy bones and muscles.

UK government guidance recommends that adults consider taking a daily supplement containing 10 micrograms (400 IU) of vitamin D during autumn and winter. Some people may be advised to take vitamin D all year round depending on factors such as sun exposure and skin tone.

Food sources include oily fish, egg yolks, and some fortified foods.

If you’re unsure whether you need additional supplementation or how much is appropriate for you, speaking with a GP or qualified health professional can help you make an informed decision.

Make Zinc-Rich Foods Part of Your Routine

Zinc contributes to the normal function of the immune system and supports a number of processes throughout the body.

You can find zinc in foods such as meat, poultry, beans, nuts, seeds, and whole grains.

Rather than trying to remember a long list of foods, look for easy opportunities to include them. Sprinkle seeds over your breakfast, add beans to soups and stews, or include nuts as a simple snack.

Small additions can add up.

Think Colour, Not Just Calories

One of the easiest ways to make your meals more nutritious is to stop thinking only about what foods contain and start thinking about variety.

A colourful plate often means you’re getting a wider range of vitamins, minerals, antioxidants, and plant compounds.

Berries, leafy greens, carrots, peppers, squash, nuts, seeds, and other colourful plant foods can all contribute to a varied diet.

This is one reason I love the idea of eating with colour. It makes healthy eating feel less like a list of rules and more like an invitation to experiment.

Let Autumn Foods Do Some of the Work

Autumn comes with plenty of foods that are naturally suited to comforting, nourishing meals.

Think warming soups, roasted vegetables, hearty stews, baked sweet potatoes, and bowls filled with colourful ingredients.

Sweet Potatoes, Carrots and Squash

Sweet potatoes, carrots, and butternut squash are rich in beta-carotene, which the body can convert into vitamin A. Vitamin A contributes to the normal function of the immune system and helps maintain normal skin and mucous membranes.

And thankfully, these foods are incredibly easy to use.

Roast them with herbs and spices, blend them into soup, add them to curries, or make a warming side dish.

You don’t need a complicated recipe to eat well.

Add Mushrooms

Mushrooms can bring a delicious savoury flavour to autumn meals while also providing a variety of nutrients and naturally occurring compounds.

Shiitake and maitake mushrooms contain beta-glucans, which have been studied for their potential role in immune function.

Add them to a stir-fry, soup, risotto, omelette, or pasta dish for an easy nutritional upgrade.

Bring on the Ginger, Turmeric and Cinnamon

There’s a reason warming spices feel so at home during autumn.

Ginger, turmeric, and cinnamon can add flavour without relying on excessive salt or sugar, while also providing naturally occurring plant compounds.

Try ginger in a warm drink or stir-fry, turmeric in soups and curries, and cinnamon over porridge, yoghurt, or baked fruit.

Sometimes making healthier choices is as simple as making healthy food more enjoyable.

Give Your Gut Some Attention

If immune health is part of your wellbeing goals, digestive health deserves a place in the conversation too.

Your gut is home to a vast community of microorganisms, collectively known as the gut microbiome. Supporting a diverse and healthy microbiome can be part of an overall approach to wellbeing.

Fermented foods such as yoghurt, kefir, kimchi, and sauerkraut can provide beneficial bacteria.

If fermented foods aren't something you normally eat, start small. A spoonful of kimchi alongside a meal or some yoghurt with breakfast can be enough to begin introducing something new.

And remember, more isn't always better. Give your body time to adjust.

Make Omega-3s Part of the Menu

Omega-3 fatty acids are another nutritional consideration worth including in a balanced diet.

Oily fish such as salmon, mackerel, sardines, anchovies, and herring are particularly good sources of long-chain omega-3 fatty acids.

If you're not sure which oily fish to choose, remember SMASH:

Salmon, Mackerel, Anchovies, Sardines, Herring

An easy little memory trick for your next food shop.

Hydration Still Matters When It's Cold

When the weather is warm, remembering to drink water can feel easy.

When autumn arrives and you're no longer sweating in the heat, hydration can quickly slip down the priority list.

Your body still needs fluids, though.

Water is a simple choice, but herbal teas, soups, and water-rich foods can contribute to your overall fluid intake too.

If reaching for a cold glass of water doesn't appeal as much during autumn, make a warm herbal tea part of your afternoon routine instead.

Sometimes the easiest healthy habit is the one that fits naturally into something you're already doing.

Your Immune Routine Doesn't End in the Kitchen

Nutrition is important, but your immune health isn't determined by your food choices alone.

Your everyday lifestyle matters too.

Protect Your Sleep

Sleep is one of those things that can easily become negotiable when life gets busy.

One late night becomes two. Work runs over. The evening disappears into scrolling, and suddenly you're wondering why you're exhausted the next morning.

Aim for around 7 to 9 hours of sleep each night and create a bedtime routine that gives your body a chance to wind down.

You could dim the lights, put your phone away, read for a few minutes, or enjoy a caffeine-free herbal tea.

You don't need an elaborate sleep routine. You need one that you can actually maintain.

Find Your Way to Manage Stress

Stress is unavoidable. Staying stressed all the time doesn't have to be.

When life feels full, having a few reliable ways to regulate your nervous system can make a difference.

That might mean taking a walk without your phone, practising a few minutes of deep breathing, journalling, stretching, meditating, dancing around the kitchen, or simply sitting quietly with a cup of tea.

There is no prize for having the most impressive stress-management routine.

The best strategy is the one that helps you feel more like yourself again.

Keep Moving

You don't need to train for a marathon to support your health.

Regular moderate movement can be as simple as walking, cycling, swimming, hiking, Pilates, yoga, or strength training.

If motivation tends to disappear when the weather gets colder, make movement social. Meet a friend for a walk, join a class, or find an activity that genuinely feels enjoyable.

Movement doesn't have to be punishment for what you ate. It can simply be a way of taking care of your body.

Don't Forget the Basics

Washing your hands regularly, especially before eating and after spending time in public places, remains one of the simplest ways to help reduce the spread of infections.

It's not particularly glamorous, but sometimes the most effective habits are the least exciting ones.

Think Bigger Than "Boosting" Your Immunity

When we talk about immune health, it's tempting to look for something we can add.

Another supplement. Another superfood. Another wellness trend.

But sometimes the most powerful changes come from looking at what we already do.

Are you sleeping enough?

Are you eating a variety of nourishing foods?

Are you drinking enough?

Are you moving your body?

Are you giving yourself opportunities to recover from stress?

Are you taking care of your digestive health?

These questions can tell you much more about your overall wellbeing than chasing the latest immune-health trend.

And you don't have to work on everything at once.

Choose one habit that feels achievable this week. Then build from there.

Supporting Your Immune Health With Targeted Nutrition

If you're looking for additional nutritional support alongside a balanced diet and healthy lifestyle, the USANA Healthy Immunity Support – Immunity Boost pack brings together several products designed to complement everyday wellbeing.

The pack includes CellSentials for foundational vitamin and mineral nutrition, Proglucamune for immune-supporting nutrition, two USANA Probiotics for digestive support, BiOmega for omega-3 nutrition, Proflavanol C200 for antioxidant support, and Fibergy Active for fibre and gut health.

Together, these products provide a broader approach to supporting nutritional needs, digestive health, antioxidant protection, and normal immune function. USANA's InCelligence approach is incorporated into selected formulations to support important cellular responses.

Supplements can complement healthy habits, but they aren't a replacement for a varied diet, quality sleep, regular movement, or professional medical care when needed. Individual nutritional needs can also vary, so consider your own circumstances when deciding whether supplementation is appropriate.

Make This Autumn About Feeling Well, Not Just Staying Well

Autumn doesn't have to be a season of trying to avoid every cough, cold, or sniffle.

Instead, let it be an opportunity to come back to the basics.

Eat food that nourishes you. Drink enough water. Get outside. Move your body. Protect your sleep. Find ways to manage stress. Look after your gut. And give yourself permission to slow down when your body asks for it.

Healthy living isn't about creating a perfect routine. It's about creating a supportive one that you can return to, season after season.

If you would like support in building healthier routines that fit your lifestyle, you are warmly invited to complete the free Health Goals Assessment Questionnaire.

This is an opportunity to explore your current habits, challenges, and health goals so we can better understand what may be influencing your progress. After completing the questionnaire, you can book a Health Goals Assessment session. Together, we'll discuss practical next steps and create a personalised plan that feels realistic, sustainable, and supportive of your long-term wellbeing.

References:

Cartago, V. (2023, October 25). Immunity: Fuel Your Body’s Defences. Nutritionist Resource.