Hello, vitamin C is also called ascorbic acid, and vitamin E is also called tocopherol. They play an indispensable role in the human body.

Guiding opinions:

They have antioxidant effect, and it is certain that taking them is beneficial to health. It's okay to eat at your age. I hope the answer will help you.

Disease analysis:

Generally, they eat VC after their thirties. Don't eat too early. You are still young.

Guiding opinions:

Generally, before the age of 30, women's body secretion is relatively normal, and they don't have to eat VC to maintain their youth and health.

vitamin C

Vitamin C participates in the redox process in the body, promotes the growth and development of the human body, enhances the resistance of the human body to diseases, promotes the formation of collagen in the intercellular substance, maintains the normal functions of teeth, bones, blood vessels and muscles, and enhances the detoxification ability of the liver. When the human body lacks vitamin C, there will be symptoms such as bleeding gums, loose teeth, fragile bones, easy bleeding of mucous membranes and subcutaneous tissues, and difficult wound healing. In recent years, scientists have also found that vitamin C can prevent nitrite and secondary amine from combining into carcinogen-iminodiamine in the stomach, thus reducing the incidence of cancer.

Main physiological functions of vitamin c:

1, promoting the biosynthesis of collagen. Conducive to faster healing of tissue wounds;

2, promote the metabolism of tyrosine and tryptophan in amino acids, and prolong the life of the body.

3. Improve the utilization rate of iron, calcium and folic acid.

4. Improve the metabolism of fat and lipids, especially cholesterol, and prevent cardiovascular diseases.

5. Promote the growth of teeth and bones and prevent gum bleeding. ;

6, enhance the body's anti-stress ability and immunity to the external environment.

Vitamin c deficiency and diseases:

When vitamin C is deficient, its symptoms are as follows:

1. Gum swelling and bleeding, gum ulceration, loose teeth.

2. Skeletal deformity, easy to fracture.

3. The wound is difficult to heal. Further, it will cause scurvy and anemia.

4. Hemorrhage and heart failure may lead to sudden death in severe cases.

5. Decreased muscle fiber, including myocardial decline.

There are many foods containing vitamin C, and kiwifruit and pepper are the most abundant.

Vitamin e, also known as tocopherol, belongs to phenolic compounds because it is related to fertility. There are many kinds of natural vitamin E, and the structural differences are only in the side chains R 1, R2 and R3.

Vitamin E is related to the biological function of animals. When animals lack vitamin E, their reproductive organs are damaged, and they cannot have children. Vitamin E is easily oxidized, which can protect other substances from oxidation. It is the most effective antioxidant in animals and human body, which can resist lipid peroxidation of biofilm, protect the integrity of biofilm structure and function, and delay aging.

Vitamin E mainly exists in vegetable oil and is rich in wheat germ oil, sunflower seed oil, peanut oil and corn oil. Vegetables, beans and cereals are also abundant. It is generally not easy to lack.

Properties and stability) Vitamin E is a yellowish transparent viscous liquid; It is odorless, turns black when exposed to light, is sensitive to oxygen and is easy to be oxidized, so it can protect other oxidizable substances (such as unsaturated fatty acids and vitamin A) in the body, and will slowly oxidize and deteriorate when exposed to air or ultraviolet rays.

(In vivo process) Tocopherol can be absorbed by intestinal tract after oral administration (bile salt is required), for example, 2 grams is taken orally once, and the absorption rate is 55%. After lymphatic absorption, it reaches the blood in the form of chylomicrons, and then binds with plasma β-lipoprotein, and the binding amount is about 74% of plasma concentration. The plasma concentration of normal adults is about1.05 0.32 mg, which is distributed in various tissues after absorption, with the highest content in pituitary, adrenal gland and testis, and the lower content in thymus and uterus. Vitamin E is distributed in mitochondria and microsomes of these tissues and organs. It can be oxidized to reproductive quinone in tissues, and then reduced to β-reproductive hydroquinone, which combines with glucuronic acid in the liver, mainly secreted into the intestine through bile, and excreted in feces, but rarely excreted in urine.

(Drug action) (1) Anti-free radical: Free radical is an active group widely existing in various chemical reactions and plays an important role in normal physiological metabolism of human body. If excessive free radicals lead to free radical chain reaction, it will lead to lipid peroxidation of unsaturated fatty acids in cell membrane, and a large number of newly generated lipid peroxides will damage protein and nucleic acids in cell membrane and cells, which will cause damage to the body. The anti-free radical effect of vitamin E is due to the fact that the free radical itself is a derivative of benzopyran, the benzene ring has active hydroxyl, which is reducing, and then there is saturated side chain on the five-carbon ring, which determines that vitamin E is reducing and lipophilic. When free radicals enter the lipid phase and have a chain reaction, vitamin E plays a role in capturing free radicals. Vitamin e has a highly effective anti-free radical lipid peroxidation effect.

(2) Vitamin E and anti-aging: It has been studied for decades, and there are different opinions at present. Generally speaking, vitamin E has little effect on the longest life span of population aging, but it can prolong the average life span, so the anti-aging effect of vitamin E is only a health care function.

(3) Vitamin E and immunity: the lack of vitamin E has an impact on the immune function of human beings or animals, which not only reduces the body immunity, but also has a great impact on the cellular immunity.

(4) Vitamin E and cardiovascular diseases: A large intake of vitamin E can reduce the incidence of atherosclerosis, which may be related to the fact that vitamin E can hinder the "foaming" of arterial endothelial cells and balance the cholesterol metabolism of endothelial cells.

(5) Study on vitamin E and liver: In 1980s, it was clarified that vitamin E was one of the important protective factors for hepatocyte growth. American scholars have found that one of the last ways of liver cell death is the depletion of vitamin E in liver cells, and its mechanism is different from that of calcium ion, but it uses the form of phase itself in cells to play its role as a cytoprotective factor. Vitamin E has a protective effect on acute liver injury and a delaying effect on chronic liver fibrosis.

(6) Vitamin E and skin: Vitamin E itself is a good antioxidant, which can enter skin cells and has a chain reaction against free radicals. Theoretically, it is superior to superoxide dismutase (SOD) and can be used to prevent skin keratinization.

There are many manifestations of vitamin E deficiency, but it is most important for reproductive, muscular, cardiovascular and hematopoietic systems.

Reproductive system: The long-term lack of vitamin E in male rats leads to the degeneration of epithelial cells, resulting in irreversible infertility. In female mice with vitamin E deficiency, the pregnancy was terminated at about 10, when the fetal mouse died.

Muscular system: Many animals will suffer from muscular dystrophy after eating vitamin E-deficient feed. But there is no evidence that vitamin E is deficient in human muscular dystrophy.

Cardiovascular system: Skeletal muscle injury caused by vitamin E deficiency is also obvious in the myocardium of some animals. Although the heart is usually slightly involved, it is rare, but sometimes myocardial damage will be accompanied by ECG changes, pathological changes, and even heart failure.

Hematopoietic system: Vitamin E deficiency is related to anemia. When anemia in some patients cannot be treated with conventional drugs, large doses of vitamin E can be effectively treated.

As an over-the-counter drug, vitamin E is considered as a nutritional supplement and can be used as a therapeutic agent to treat various diseases caused by free radical damage. Commonly used in habitual abortion, threatened abortion, infertility and menopausal disorders, progressive muscular dystrophy and so on.

(Adverse reactions and precautions) Vitamin E is relatively nontoxic at a certain dose. Long-term large dose (400-800 mg a day) can cause nausea, vomiting, dizziness, headache, blurred vision, chapped skin, cheilitis, angular stomatitis, gastrointestinal dysfunction, diarrhea, mammary gland enlargement, fatigue and weakness.

Overdose (daily dose >; 800 mg), coagulation time was prolonged, endocrine metabolism (thyroid gland, pituitary gland, adrenal gland) and immune mechanism were changed in some patients. Women can cause menorrhagia, amenorrhea and sexual dysfunction. And may lead to the risk of thrombophlebitis or embolism.

(Drug Interaction) (1) Vitamin E can promote the absorption, utilization and liver storage of vitamin A, and prevent vitamin A from hyperemia.

(2) Vitamin E metabolite can antagonize vitamin K and reduce blood coagulation, so it should be avoided to take it together with dicoumarin and its derivatives.

(3) Drugs that reduce or affect fat absorption, such as sphingosine and neomycin. Drugs such as sucralfate and mineral sugar oil will interfere with the absorption of vitamin E.

(4) Iron deficiency anemia, when iron is supplemented, the demand for vitamin E increases.

(5) Oral contraceptives can accelerate vitamin E metabolism and lead to vitamin E deficiency.

(6) Vitamin E can enhance the cardiotonic effect of digitalis and the anticoagulant effect of warfarin.

(7) When estrogen and vitamin E are used together, if the dosage is large and the course of treatment is long, it can induce thrombophlebitis.

(Usage and dosage) Oral. The conventional dosage of OTC drugs is 5- 10 mg once, three times a day; The larger dose is 50- 100 mg once, three times a day, and if it exceeds 400 mg a day, please see a doctor. External use: 2% cream, 1-2 times, daily 1 time.