What to Eat When You’re Sick: Supporting Your Immune System
The festive season often leaves us feeling more worn out than rejuvenated, with indulgence, late nights, and perhaps one too many mince pies taking their toll. Add to that the cold, dark days of winter, and you’ve got a perfect recipe for a sluggish immune system. It’s no wonder that sniffles, coughs, and the occasional sore throat seem inevitable. But what if I told you there are simple, effective ways to boost your body’s defences and recover faster when illness strikes?
When you’re feeling under the weather, it’s tempting to lean on convenience foods like biscuits or sugary drinks for comfort. While they may seem soothing, they’re not doing your immune system any favours. Instead, focus on fuelling your recovery with nourishing, nutrient-dense foods and beverages. Think small, balanced meals with healthy fats, quality protein, and an array of colourful vegetables. Pair that with hydration heroes like bone broth, herbal teas, and electrolyte-rich drinks, and you’re on your way to bouncing back stronger.
In this guide, we’ll dive into top nutrients, gut health essentials, and immune-boosting hacks to help you sail through the winter months with strength and resilience.
Your Immune System: A Castle in Defence Mode
Your immune system is like a fortress, protecting you from harmful invaders such as viruses, bacteria, and fungi. It’s a well-coordinated defence team made up of white blood cells, antibodies, and other immune cells that spring into action when danger arises.
While we can’t avoid exposure to germs, we can fortify our internal defence systems to give them the upper hand. Everyday habits and nutrient-dense foods can make all the difference between succumbing to a nasty bug and staying resilient.
Top Nutrients for Immune Strength
Certain nutrients are immune system powerhouses. Incorporate these into your diet to give your body the support it needs:
Bowl of Fruit high in Vitamin C
Vitamin C: Known for its immune-boosting properties, vitamin C helps white blood cells perform at their best while neutralising free radicals. Add these to your plate:
Strawberries
Citrus fruits (oranges, grapefruits)
Bell peppers
Kiwi
Broccoli
Tomatoes
Vitamin D: Vital for immune cell function, vitamin D deficiency can leave you more susceptible to infections. The best sources include:
Oily fish (salmon, mackerel)
Egg yolks
Mushrooms
Sunlight exposure
Zinc: Essential for T-cell activation and immune communication, zinc is a winter must-have. Include:
Oysters
Beef
Lentils
Pumpkin seeds
Pork and chicken
Selenium: A powerful antioxidant, selenium helps reduce inflammation and bolster immune function. Stock up on:
Brazil nuts (just 2-3 daily provide your RDI)
Yellowfin tuna
Eggs
Turkey and chicken
Gut Health: The Immune System’s Secret Weapon
Did you know that around 70% of your immune system resides in your gut? This means that a healthy gut microbiome plays a crucial role in how effectively your body fends off illness.
Your gut is home to trillions of bacteria that influence your immune cells, determining how your body responds to infections. Keeping your gut microbiome balanced is one of the best things you can do for your immunity.
Here’s how to nurture your gut:
Probiotics: These friendly bacteria help maintain balance in your microbiome. Include:
Yoghurt (with live cultures)
Kefir
Sauerkraut
Kimchi
Miso and tempeh
Prebiotics: These fibres feed the good bacteria in your gut. Add these foods to your meals:
Jerusalem artichokes
Green (unripe) bananas
Garlic and onions
Asparagus and leeks
Apples and flaxseeds
Immune-Boosting Lifestyle Tips
Alongside a nutrient-packed diet, small lifestyle changes can help you stay ahead of seasonal bugs:
Prioritise Sleep: Your body repairs and regenerates during sleep, so aim for 7-9 hours of quality rest.
Stay Active: Gentle movement like walking or yoga keeps your lymphatic system working efficiently, aiding immune responses.
Stress Less: Chronic stress suppresses immune function. Practice mindfulness, deep breathing, or even a warm bath to keep stress in check.
Hydrate Wisely: Swap sugary drinks for herbal teas, water with lemon, or a warming cup of broth.
Wash Your Hands: A simple but effective way to stop the spread of germs.
When Illness Strikes: Recovery Tips
If you do catch a cold, recovery is about nourishing and resting your body:
Opt for warm, soothing foods like chicken soup or a hearty vegetable stew.
Avoid processed foods and sugar, which can suppress your immune response.
Sip on ginger or turmeric tea to reduce inflammation and ease symptoms.
Winter Wellness: A Holistic Approach
Strengthening your immune system isn’t about quick fixes or miracle cures. It’s about building resilience through a balanced diet, restorative habits, and a little TLC. This winter, let food be your ally, and remember that every colourful plate, restful night, and nourishing sip is a step towards a healthier, happier you.
Your immune system is ready to rise to the challenge. Are you?