Winter is the season of high incidence of influenza, and improving immunity has become the focus of everyone's attention. In fact, in addition to strengthening exercise and maintaining good lifestyle habits, diet is also an important way to improve immunity.

The following four fruits are not only nutritious, but also protect your immunity during the cold winter months.

1. Citrus fruits

Citrus fruits, such as willow cubes, grapefruits, tangerines, etc., are common fruits in winter.

Citrus fruits are a great source of vitamin C,Vitamin C plays an important role in boosting immunity. It promotes the production and activity of white blood cells and enhances the body's ability to fight infections.

In addition, citrus fruits are also rich in dietary fiber, which helps to promote intestinal health and maintain good digestive function. Winter is the season of citrus fruits, and eating them regularly can improve the body's resistance to diseases.

2. Apple

Apples are a very common fruit in the daily diet and are rich in dietary fiber, vitamin C and antioxidants. Dietary fiber contributes to gut health and strengthens immune system function.

Natural antioxidants, such as flavonoids in apples, can help remove free radicals from the body and slow down the aging process.

In addition, apples' natural sugars stabilize blood sugar and reduce weakness caused by hypoglycemia.

3. Kiwi

Kiwifruit is known as the "king of vitamin C", and its content is much higher than most fruits. Vitamin C not only boosts immunity, but also supports skin health and antioxidant effects.

The dietary fiber in kiwifruit helps improve the digestive system, promote intestinal peristalsis, and maintain normal digestive function. Its rich vitamin E and flavonoids also have a significant effect on boosting immunity.

4. Pears

Winter is the dry season, and many people experience a dry and itchy throat and even a constant cough. Pears, on the other hand, have the effect of moistening the lungs and relieving cough.

Secondly, pears are rich in moisture and vitamin C, which is not only effective in relieving a dry throat, but also moisturizing the body and keeping the skin moisturized. The dietary fiber it contains helps to promote intestinal peristalsis, aids digestion, and also has a certain relieving effect on constipation in winter.

Especially for people who have been affected by cold weather for a long time, pears can play a good role in regulation. The sweet taste of pears not only satisfies the taste buds, but also brings a touch of warmth and comfort to the body during the cold winter months.

The above information is for informational purposes only and is not intended as medical diagnosis, treatment or health advice. Please follow the doctor's advice and consult a professional doctor in time for specific conditions.