Benefits: Vitamin C can protect various enzymes in the body. At the same time, it can also regulate the functions of macrophages, lymphocytes and monocytes, which has a certain effect on maintaining the immune system.
Vitamin c can also participate in the formation of trabecular bone, which is beneficial to bone health; Participate in vascular remodeling and maintain the integrity of vascular cells; Prevention of Alzheimer's disease; As a therapeutic drug for skin cancer caused by ultraviolet radiation; Improve stress, fatigue and mood, and improve teenagers' academic performance.
The correct way to supplement vitamin c:
Vitamin C is a water-soluble vitamin, which means that its storage in our body is very limited and needs to be supplemented irregularly. The most familiar method for ordinary people is to eat more fresh fruits and vegetables. Young people are more willing to choose the nutritional supplement method of vitamin C effervescent tablets.
Either way, it is oral, so you need to follow certain dietary guidelines. In 20 13 years, the maximum allowable upper limit of reference intake of dietary nutrients for China residents is 2000 mg per day.
In order to avoid the loss of vitamin C, we also need to pay attention to some small details in life. For example, don't cut vegetables and soak them in water, which will increase the loss of vitamin C. Also, when using them, cut vegetables and fry them quickly, and never cook them slowly.
Extended data
Use vitamin C with caution in the following seven situations.
1, cysteine urine.
2, gout.
3. Excessive urinary oxalate, oxalate deposition and urate kidney calculi.
4, diabetes (because vitamin C may interfere with blood sugar quantification).
5, glucose -6- phosphate dehydrogenase deficiency (because it can cause hemolytic anemia).
6, hemochromatosis.
7, iron juvenile anemia or thalassemia (because it can increase the absorption of iron) and sickle cell anemia (because it can cause hemolytic crisis).
It should be noted that because plant tissues contain ascorbase, the content of vitamin C in vegetables stored for a long time will decrease; In addition, heating, acid and alkali will destroy vitamin C, so it is best to eat raw or cold vegetables to supplement vitamin C.
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People's Daily Online-Use vitamin C with caution in 7 situations