1. Antioxidant effect 2. Participate in hydroxylation reaction in vivo 3. Promote the absorption of iron and calcium in the body and the utilization of folic acid. Participate in the synthesis of neurotransmitters. Some epidemiological studies show that increasing the intake of vegetables and fruits rich in vitamin C in the diet can reduce the risk of cancer such as gastric cancer, and its mechanism may be related to scavenging free radicals and preventing the formation of certain carcinogens. Vitamin c is also involved in steroid metabolism. Vitamin C can prevent and treat cardiovascular diseases by promoting the conversion of cholesterol into cholic acid and reducing the formation of oxidized substances.
If there are a lot of fresh fruits and vegetables in the daily diet, and people who don't work or live in high temperature, cold and lack of oxygen, and who are often exposed to toxic work such as lead, benzene and mercury, some patients with diseases, pregnant women and lactating mothers generally don't need to supplement them deliberately.