A well-balanced diet should offer all of the vitamins you require, but supplements can help fill in any nutritional gaps or restore low levels following sickness or bad eating habits. Everyone should take 10mcg of vitamin D every day, especially in the winter, according to the government. 12 When attempting to conceive, women are highly urged to take 400mcg folic acid every day until the 12th week of pregnancy. This is critical for preventing birth abnormalities such as spina bifida in the newborn. 13 Because of contemporary agricultural and food manufacturing procedures, our food isn’t as healthy as it formerly was,14 which is why some individuals take a multivitamin as an insurance policy.