Onions don’t just impart taste to your food but are also nutritious in nature. And, so, onion powder has multiple benefits for pregnant women. It helps to strengthen the immune system. Regular consumption of onion powder or dehydrated onion is known to make people immune to flu and catarrhal because it is rich in vitamin C. Onions are also known to have folic acid that prevents neural tube defects in the unborn baby. The magnesium content in onion powder can help prevent the uterus from contracting prematurely. To add to that, it also helps in the overall bone development of the unborn baby. With so many benefits, onion powder is a good addition in your pregnancy diet.