叶酸（B族维生素的一种）

• Folic acid metabolism has been shown to require potassium.

  已经证明，叶酸代谢也需要钾。

• Eat foods that include folic acid like orange juice, leafy green vegetables and fortified breakfast cereals.

  应当吃叶酸含量比较丰富的食物，比如桔汁、多叶蔬菜、早餐粥。