1, vitamin B 1 in whole grains can prevent beriberi;

2. Vitamin B2 can improve vision and prevent angular stomatitis;

3, vitamin C can relieve fatigue symptoms, lower limb aches, and prevent colds;

4. Calcium can prevent osteoporosis;

5. Potassium can stabilize blood pressure, improve mood and avoid muscle paralysis, depression and general weakness;

6. Iron can prevent iron deficiency anemia, gastric ulcer and loss of appetite;

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