The nutrition level in vegetables drop as soon as you take them out of the ground so it is important to use the vegetables soon. The less time off the plant the better.
Local produce is never a bad idea. It is important to eat your vegetables soon, because after all, the reason you eat vegetables is to get nutrients! Support local agriculture in your community and plant some of your own herbs and vegetables. It will be fun to get out of the house and enjoy some sunlight.