维生素并非多多益善（The vitamin is not The more, the better.）.docVIP

维生素并非多多益善（The vitamin is not The more, the better.） The vitamin is not The more, the better. overdose will have side effects 11 weeks of pregnancy, many mothers in order to promote the growth of children, eat a lot of vitamin supplements, but not vitamin The more, the better. Vitamin is a kind of trace organic substance which is necessary for human beings and animals to maintain normal physiological functions. It plays an important role in the growth, metabolism and development of human body. During pregnancy, pregnant mothers need to add adequate vitamin, is conducive to the healthy development of the fetus. Vitamin supplementation in pregnancy is not The more, the better! First of all, we emphasize prenatal supplementation of vitamins and preference for foods. Vitamin C supplementation during pregnancy, vitamin C is the largest amount of vitamin a human body needs, lack of vitamin A during pregnancy, fetal teratogenic (such as cleft lip, cleft palate, deformity, etc.). Vitamins are organic compounds with complex structures necessary for biological growth and metabolism. It acts on the body differently from carbohydrates, proteins and fats. It neither provides energy to the body nor is it the main constituent of the body. The bodys vitamin needs are small, less than milligrams or micrograms. Small as it is, the effect is great. Its physiological function is to control the distribution of nutrients in the body, regulate the physiological functions of the body, act as auxiliary enzymes, promote the smooth progress of various biochemical reactions in the body, and promote the growth and development of the human body. The human body is like a very complex chemical plant, and it keeps on all kinds of biochemical reactions. The reaction is closely related to the catalytic action of enzymes. Enzymes must be active and must be represented by coenzyme. Many vitamins are known to be enzymes, coenzyme or coenzyme molecules. Therefore, vitamins are important substances that ma