[decimon]

Drink Milk, go out in the sun, and EXERCIZE~!!!!!!!

It's almost certain that you won't get enough sunlight. In New York you can't make any vitamin D from the sun for about a third of the year. Zero, zip and nada.

[decimon]

Wouldn't you know, there's a vitamin D Wiki. With any luck it will have good info. http://vitamindwiki.com