Health 08/12/2025 14:36

6 foods that help reduce cold and flu symptoms in winter



Winter is the season when colds and flu become more common. Cold weather weakens the immune system, viruses spread more easily in dry air, and people tend to spend more time indoors - creating the perfect environment for infections. While medication and proper rest are essential, certain foods can also help relieve symptoms and support your body’s natural healing process.

Here are six powerful foods that can help ease cold and flu symptoms, boost immunity, and promote faster recovery during the winter months.

1. Ginger – A Natural Remedy for Sore Throat and Congestion

Ginger has long been used in traditional medicine for its warming, anti-inflammatory, and antiviral properties. It helps reduce throat irritation, relieve coughing, and ease nasal congestion.

How it helps:

  • Reduces inflammation in the throat and respiratory tract

  • Helps loosen mucus

  • Soothes coughs and prevents nausea

  • Warms the body from within, improving circulation

How to use it:

  • Drink ginger tea with honey and lemon

  • Add fresh ginger slices to soups

  • Mix grated ginger with warm water for a quick immune boost

Ginger is especially effective in the early stages of a cold or flu.

Các thực phẩm giúp giữ ấm cơ thể và phòng ngừa cảm lạnh mùa đông

2. Garlic – Boosts Immunity and Fights Infection

Garlic contains allicin, a potent compound known for its antiviral, antibacterial, and immune-boosting effects. Studies show that consuming garlic regularly can help the body respond more effectively to respiratory infections.

Benefits:

  • Strengthens immune system

  • Helps combat viruses causing colds

  • Reduces severity and duration of symptoms

  • Supports respiratory health

How to use it:

  • Eat 1–2 raw garlic cloves daily (crushed for best effect)

  • Add garlic to warm dishes, soups, and broths

  • Mix garlic with honey for a soothing, immune-boosting remedy

Garlic is one of the most powerful natural ingredients for winter wellness.

Tỏi: Tác dụng, cách dùng và những lưu ý quan trọng

3. Citrus Fruits – High in Vitamin C for Faster Recovery

Oranges, lemons, grapefruits, and tangerines are excellent sources of vitamin C, an essential nutrient that enhances the immune system and supports faster healing.

Why vitamin C is important:

  • Reduces the duration of cold symptoms

  • Supports the production of white blood cells

  • Acts as an antioxidant to protect cells

  • Helps reduce inflammation

How to use them:

  • Drink warm lemon water with honey

  • Eat fresh oranges or tangerines

  • Add lemon juice to soups or herbal teas

Vitamin C-rich fruits are especially helpful when consumed at the first sign of illness.

4. Chicken Soup – Comforting, Nourishing, and Scientifically Backed

Chicken soup is more than just comfort food during illness—studies show that it can actually help ease cold and flu symptoms.

What chicken soup does:

  • Provides warmth that helps clear nasal passages

  • Contains amino acids and minerals that support immunity

  • Helps reduce inflammation in the upper respiratory tract

  • Keeps the body hydrated

Why it's effective:

The combination of warm broth, vegetables, and protein helps the body recover by supplying nutrients and easing congestion.

5. Honey – Soothes the Throat and Reduces Coughing

Honey is a natural antibacterial and anti-inflammatory ingredient widely used to treat sore throats and persistent coughing.

Benefits:

  • Coats and soothes the throat

  • Reduces nighttime coughing

  • Provides antioxidants to support healing

  • Helps fight infection-causing microbes

How to use it:

  • Mix honey with warm lemon water

  • Add honey to ginger tea

  • Take 1 teaspoon before bedtime to ease coughs

(Note: Honey should not be given to children under 1 year old.)

Những thực phẩm giúp cơ thể nhanh hồi phục khi bị cảm lạnh - MyPharma

6. Yogurt – Supports Gut Health and Strengthens Immunity

A healthy immune system begins in the gut, and yogurt is one of the best foods to maintain a strong digestive and immune system thanks to its probiotics.

How yogurt helps during a cold:

  • Provides beneficial bacteria that support immunity

  • Helps reduce inflammation

  • Provides protein, vitamins, and minerals

  • Helps maintain appetite during illness

How to use it:

  • Eat plain yogurt with honey for added soothing benefits

  • Add yogurt to smoothies

  • Choose unsweetened yogurt to avoid added sugars

Probiotics play a key role in preventing infections and reducing the severity of cold symptoms.

Additional Tips for Fighting Winter Colds and Flu

Along with eating immune-supporting foods, you can strengthen your body’s defenses with these simple habits:

Stay hydrated

Water, herbal teas, and warm broths help thin mucus and support recovery.

Get enough sleep

The immune system repairs itself during rest.

Keep warm

Maintaining body temperature helps the immune system function more efficiently.

Use steam inhalation

Warm steam can relieve congestion and ease breathing.

Avoid sugar and processed foods

These can weaken the immune response and increase inflammation.

Conclusion

Winter colds and flu can be uncomfortable, but incorporating the right foods into your daily routine can make recovery smoother and easier. Ginger, garlic, citrus fruits, chicken soup, honey, and yogurt each offer unique benefits that help strengthen the immune system, reduce symptoms, and support overall health.

By combining these foods with healthy habits like proper rest and hydration, you can protect yourself during the cold season and improve your body’s resilience against infections.


How to Prevent Colds and Flu in Winter: Practical, Effective Strategies

While incorporating immune-boosting foods into your diet is incredibly helpful, preventing colds and flu requires a combination of healthy habits and proactive measures. Winter is the peak season for respiratory infections, so maintaining strong immunity and reducing exposure to viruses are essential. Below are evidence-based strategies to help you protect yourself and your family throughout the cold season.

1. Wash Your Hands Frequently and Properly

Handwashing remains one of the most effective ways to prevent viral infections. Cold and flu viruses spread easily through contaminated surfaces and hand-to-face contact.

Tips for effective handwashing:

  • Use warm water and soap

  • Scrub for at least 20 seconds

  • Wash before eating and after going out

  • Avoid touching your face, especially your nose, eyes, and mouth

If soap and water are unavailable, use alcohol-based hand sanitizer with at least 60% alcohol.

2. Strengthen Your Immune System Through Rest

Sleep is critical for immune defense. Lack of rest weakens your body’s ability to fight infection.

Recommended sleep duration:

  • Adults: 7–9 hours

  • Teenagers: 8–10 hours

  • Children: 9–12 hours

Good sleep supports the production of immune cells that fight viruses.

3. Stay Warm and Dress Appropriately

Cold temperatures can suppress the immune response and make your body more vulnerable to viruses.

Tips:

  • Wear layers to keep warm

  • Protect your neck, chest, and feet

  • Avoid sudden temperature changes

  • Stay dry — wet clothing increases risk of chills

Keeping your body warm helps maintain strong immunity.

4. Stay Hydrated Throughout the Day

Hydration keeps your mucous membranes healthy, allowing them to trap and eliminate viruses more effectively.

Try:

  • Warm water

  • Herbal teas (ginger, chamomile, lemon balm)

  • Warm broth or soups

Avoid excessive caffeine and alcohol because they cause dehydration.

5. Maintain Good Indoor Air Quality

During winter, people spend more time indoors, increasing the spread of airborne viruses.

What you can do:

  • Ventilate your home daily

  • Keep humidity between 40–60% (use a humidifier if needed)

  • Clean air filters regularly

  • Avoid crowded indoor spaces when possible

Humid air reduces viral survival and helps prevent dry nose or throat.

6. Exercise Regularly

Moderate physical activity strengthens the immune system and improves circulation.

Effective activities include:

  • Brisk walking

  • Yoga

  • Cycling

  • Light strength training

Aim for 30 minutes of moderate exercise at least 4–5 times per week.

Làm gì khi bị cảm cúm ho nhiều? - Nhà thuốc FPT Long Châu

7. Avoid Close Contact with Sick Individuals

Colds and the flu spread rapidly through droplets from coughing, sneezing, or close contact.

Tips:

  • Keep distance from those showing symptoms

  • Wear a mask in crowded public areas

  • Disinfect frequently touched surfaces

If you are sick, stay home to avoid spreading infection.

8. Boost Your Immunity with Vitamins and Nutrients

Certain nutrients play a key role in preventing respiratory infections.

Essential nutrients include:

  • Vitamin C (citrus, strawberries, kiwi)

  • Vitamin D (sunlight, fortified foods, supplements)

  • Zinc (pumpkin seeds, legumes, seafood)

  • Antioxidants (berries, leafy greens)

A balanced diet strengthens immunity naturally.

9. Manage Stress Effectively

Chronic stress weakens the immune system, making the body more susceptible to infections.

Stress management techniques:

  • Deep breathing exercises

  • Meditation

  • Journaling

  • Light exercise

  • Taking breaks from digital screens

A calm mind contributes to a stronger immune response.

10. Consider Seasonal Vaccination

The flu vaccine is an effective tool for reducing flu severity and preventing complications.

Benefits of vaccination:

  • Lowers risk of severe infection

  • Protects vulnerable populations

  • Reduces community spread

Consult your healthcare provider about the best timing for vaccination.

Conclusion: Simple Steps for a Healthier Winter

Preventing colds and flu requires a holistic approach—combining good nutrition, proper hygiene, strong immunity, and healthy lifestyle habits. By practicing regular handwashing, staying warm, sleeping well, staying active, and maintaining a nutritious diet, you can significantly reduce your risk of getting sick. These preventive measures, along with immune-supporting foods, create a strong defense system that helps you stay healthy throughout the winter season.


Tại sao virus cúm phát triển mạnh vào mùa đông? | Vinmec

 

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