After iron deficiency, girls will look listless, exhausted and look ugly. Because there is not enough iron, there is not enough oxygen in the body, and the body has not enough energy to support the body, so there will be a feeling of fatigue. Bai Bao's special diet is good for feeding? Micro-effervescent technology of iron instant tablets can be taken directly under the tongue or quickly dissolved into liquid in water, and the dissolution time does not exceed 1min. After oral administration, it is distributed in a large area through the oral digestive tract and then to the gastrointestinal tract. After a few minutes, it directly enters the blood through the oral mucosa or is absorbed into the blood through the gastrointestinal tract for about 10 ~ 30 minutes, which reduces the local irritation of the gastrointestinal tract, reduces the side effects, takes effect quickly and has obvious effect.