Side effects: Taking too much vitamin C for a long time can cause excessive gastric acid secretion and easily form kidney stones. If you take high doses for a long time and then suddenly stop using it, symptoms of relative vitamin C deficiency will occur, such as bleeding gums.
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, and play a certain role in the maintenance of the immune system.
Vitamin C can also participate in the formation of bone trabeculae, which is beneficial to bone health; participate in vascular remodeling, maintain the integrity of vascular cells; prevent Alzheimer's disease; and act as a preventive agent for skin cancer caused by ultraviolet radiation. Therapeutic drugs; improve stress, fatigue, mood, and improve the academic performance of teenagers.
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 from time to time. The most familiar method for ordinary people is to eat more fresh fruits and vegetables, and young people are more willing to choose nutritional supplements using vitamin C effervescent tablets.
No matter which one it is, it is taken orally, so certain dietary guidelines need to be followed. The maximum allowable upper limit of the dietary nutrient reference intake for residents in my country in 2013 is 2000 mg per day.
In order to avoid the loss of vitamin C, you also need to pay attention to some small details in life. For example, do not cut vegetables and soak them in water, as this will increase the loss of vitamin C. Also, vegetables should be cut when needed and stir-fried quickly over high heat. Do not cook them slowly over low heat.
Extended information
People with the following 7 conditions should use vitamin C with caution
1. Cysteinuria.
2. Gout.
3. Hyperoxaluria, oxalate deposition, and urate kidney stones.
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. Sideroblastic anemia or thalassemia (because it can cause increased iron absorption) and sickle cell anemia (because it can cause hemolytic crisis).
It should be noted that because plant tissues contain ascorbate, the vitamin C content in vegetables that have been stored for a long time will decrease; in addition, heating, acid and alkali can destroy vitamin C, so it is necessary to supplement vitamin C. C. It is better to eat vegetables raw or cold.
People's Daily Online - What you don't know about vitamin C
People's Daily Online - 7 situations when using vitamin C with caution