Although there are different manufacturers of vitamin D, but its basic composition is the same, all can play a role in promoting calcium absorption, pregnant women can eat which vitamin D, regular manufacturers of qualified products can be. Pregnant women need to be prone to osteoporosis, need to supplement a large amount of calcium to meet the fetal bone development, vitamin D can promote the absorption of calcium, so pregnant women also need to properly supplement vitamin D. However, there is no need to compare manufacturers when choosing this drug, because as long as the name of the drug is the same, the efficacy is the same, choose to buy the convenience of the manufacturer can be. Vitamin D in the use of bone and joint pain, swelling and other adverse reactions, for people with hypercalcemia is not suitable for use, use should pay attention to control a reasonable amount, do not overdose. If pregnant women need to use vitamin D, you need to consult a doctor in a timely manner, under the guidance of the doctor to use, avoid unauthorized use of drugs.