the nutritional value and efficacy of carrots: carrots contain a wealth of vitamins, carrots, b vitamins, fats, calcium, iron, sugar and other nutrients, which have the following effects on the human body: 1. protection of vision to increase sensitivity to light, prevention of night blindness, reduction of eye fatigue and drying. 2. reduce blood pressure, sugar and resin, prevent three heights, promote blood flow and prevent cardiovascular diseases. 3. increased body immunity and disease resistance to influenza. 4. promote gastrointestinal creeping and accelerate the release of toxic substances。