Vitamin C, also known as ascorbic acid, is a water-soluble vitamin and the most widely known nutrient. It is not only a beauty panacea, but also an antioxidant, cytoprotective agent and even an effective anti-cancer vitamin. It is widely found in vegetables and fruits, but it is easily destroyed due to changes in the external environment. The human body cannot synthesize vitamin C by itself, and it must be obtained from food. Water-soluble vitamin C is easily lost in water. General 1 and vitamin c can enhance skin elasticity and prevent pigmentation; 2. Vitamin C can promote wound healing, treat trauma and burns, and accelerate postoperative recovery; Generally, a bottle of vitamin C 1.5 yuan, and a bottle of natural vitamin C 75 yuan in Yangshengtang. If you want to be beautiful, you should eat vitamin C in Yangshengtang. If you want to treat a disease, you should take vitamin C from Chinese medicine. 3. Vitamin C can promote protein cells to gather together, help to make collagen, prevent aging and prolong life; 4. Vitamin C can help treat gingival bleeding; 5, vitamin C can help the body absorb iron and decompose folic acid; 6. Vitamin C can prevent the formation of carcinogen nitrosamines; 7. Vitamin C can prevent scurvy. 8. Help lower cholesterol in the blood; Reduce the occurrence of venous thrombosis; 9. Enhance the efficacy of drugs used to treat urinary tract infections; 10, which can prevent virus and bacterial infection and has anticancer effect; And enhance immune system function; 1 1, which can treat common cold and has preventive effect; Protein cells can be firmly aggregated with each other, thus prolonging life; The normal requirement is 1, and the recommended intake for adults is 60mg；; Adults can meet their needs by eating 2 Liang of medlar every day; Adults can meet the needs by eating 1/2 kohlrabi every day; Adults can eat 1 kiwi fruit every day to meet their needs; Adults can eat 1/2 pineapples a day; 3, pregnancy and lactation need more, should be 70-95mg. Deficiency syndrome 1, lack of vitamin c is easy to cause gingival bleeding, and it is easy to produce symptoms such as congestion, dry skin and desquamation; 2. Lack of vitamin C can lead to anemia; 3. Lack of vitamin C will lead to slow growth and incomplete bone formation; 4. Long-term mild vitamin C deficiency may plant heart disease and cancer factors; 5, a serious lack of vitamin C can lead to scurvy. 1 excessive performance, taking too much vitamin C supplements in a short time will produce side effects such as polyuria, diarrhea and rash; 2. Long-term use of excessive vitamin C supplements may lead to oxalic acid and uric acid stones. People who need 1, smoking, drinking and eating meat are good for their health. 2. People who take birth control pills, antibiotics and aspirin should increase their intake of vitamin C; 3, carbon monoxide will destroy vitamin C, so people living in cities should increase the intake of vitamin C, with special attention: vitamin C should not be eaten at the same time as seafood. Seafood and river fresh contain pentavalent arsenic compounds. When pentavalent arsenic compounds meet with vitamin C, vitamin C will reduce pentavalent arsenic compounds to trivalent arsenic compounds, which is "arsenic". Highly toxic. Don't eat at the same time