Firstly, vitamin C contained in citrus fruits is recommended, because it increases the production of anti-infective white blood cells and antibodies in the body, and also increases interferon to prevent the virus from invading the human body.

Step 2: carrots

Carotene can increase natural killer cells and stimulate the production of macrophages (an immune cell).

3, almond fruit

Contains zinc to promote the production of white blood cells in the body to fight infection. Safer zinc can be obtained from food, and it is enough to eat15 ~ 25g a day. Eating too much (more than 75 grams) will inhibit immune function.

4. Papaya juice

Papaya juice contains some substances that can improve immunity and antioxidant capacity. Although we have not studied the oxidation ability of SARS patients, it is absolutely feasible.

5.celery

Celery is cool, calming the liver and invigorating the stomach, sweet and non-toxic, and rich in protein, sugar, carotene, vitamin C and amino acids. Can excite the central nervous system, eat more, promote the secretion of gastric juice, stimulate appetite, and have expectorant effect.

6. Seabuckthorn

Vitamin C is rich in anti-fatigue, promoting hematopoietic system, protecting digestive tract, scavenging free radicals, improving vascular system function and enhancing immune function.

7. Chinese cabbage

Chinese cabbage nourishes the stomach and is mild and bitter, and it is smooth and beneficial to the stomach. Chinese cabbage is rich in vitamin C and calcium, as well as iron, phosphorus, carotene and B vitamins.