One way to cure it may be to take supplements of the vitamin. Another way is to eat soy products fortified with the vitamin or eat generous amounts of milk and eggs.

一种解决方法是补充维生素，另一种方法是摄入含维生素的豆制品或摄入大量的牛奶和鸡蛋。

youdao

Smith said that could be achieved by eating plenty of foods that are a good source of vitamin B12 such as milk and other dairy products, fish, meat and fortified breakfast cereals.

他指出，要实现这点，可以食用大量富含B12的食物，譬如牛奶等奶制品、鱼、肉和加强型的早餐谷物。

youdao

You can get vitamin D from the foods you eat, such as fortified dairy or soy milk products, fortified orange juice, egg yolks, or your body can make it from the sun.

你可以从你吃的食物比如强化乳类或者豆奶类食品，强化橘子汁，鸡蛋卵黄中获得维他命D。

youdao

In this country, milk is vitamin D-fortified, so this is one guaranteed way to get some D in your diet.

FORBES: That Vitamin D You're Taking? It May Not Be What It Appears

Vitamin D is commonly found in fish, eggs, fortified milk, cod liver oil and in supplements.

CNN: Do vitamins help against type 2 diabetes?

Vitamin D is a fat-soluble vitamin that occurs naturally in a limited number of foods, so fortified foods including milk, margarines and breakfast cereals and dietary supplements are the major source for most Americans.

CNN: How much vitamin D should someone over 55 take?