October Xin has no side effects. As it belongs to a common health care product, according to relevant regulations, health care products are not allowed to have side effects. Its main function is to supplement trace elements and vitamins, which is beneficial for pregnant women during pregnancy, such as appropriate intake, prevention of fetal malformation, blood supplementation and calcium supplementation. 1. Does October Xin have side effects? No side effects. October Xin is a health care product. According to regulations, health care products are not allowed to have side effects, and they are regular products, so they are not allowed to have side effects. 2. The efficacy and function of October Xin Pregnant women can take October Xin during pregnancy. October Xin contains various nutrients such as calcium, iron, zinc, vitamin C, folic acid, and vitamin D. Among them, folic acid can prevent neural tube defects, iron can supplement blood, vitamin C can promote iron absorption and improve immunity, and vitamin D can help calcium absorption. Pregnant women taking October Xin is very beneficial for both the fetus and the mother, and there are no side effects. 3. Is it necessary to take October Xin? October Xin is a commonly used health care product for vitamin supplementation during pregnancy. If pregnant women have a good diet, good gastrointestinal absorption function, and no partiality or picky eating, it is not necessary to use this health care product.