Soy milk, actually, is a good source of potassium, but some of the others are not. So it really just depends on the milk and how it's fortified. It depends on the brand. Narrator: And that's just it.

This milk-like beverage can be fortified with nutrients like calcium and vitamin ... this research shows that it can't hurt.

Calcium-fortified soy milk is to be provided as an alternative to dairy milk for elementary-school students starting from the middle of next month at the earliest, the Ministry of Agriculture said ...