can you be more specific?
What "intake requirements" are you not meeting?
Is it protein, fat, carbohydrates, or what?
Perhaps a little more detail, and someone could give you some great ideas.
Do you have the ability to plant a little garden of lettuce and other greens, radishes, and other items that don't take a lot of room? Even window boxes or pots on the balcony would be helpful to add to your menu at lower cost. While not an immediate solution, it would be great to have through the growing year.