Moderate use of yeast powder is generally not harmful to the body, pregnant women can eat it, but it is not recommended to eat more. As a leavening agent and flavoring agent, yeast powder is rich in many nutrients, such as protein, B vitamins, dietary fiber, selenium, etc. It is mainly used in daily life to mix with some flour and cake flour to increase the taste of food. In most cases, the moderate use of yeast powder is generally not harmful to the body. Yeast powder belongs to a kind of fermented food, which can improve indigestion to some extent. For pregnant women, due to changes in hormone levels during pregnancy, which may cause a slowing down of gastrointestinal function, eating small amounts of yeast powder or yeast-fermented foods can also help digestion. Although yeast powder is not harmful and can be eaten in small amounts during pregnancy. However, due to the high purine content in yeast powder, it is not recommended for people with gout or hyperuricemia, and other people need to eat in moderation. Eat yeast powder in the process of discomfort, timely hospital consultation.