Plog 2.06

the author of this app says:

This allows you to track your daily vitamin and food intakes. It contains over 5000 customizable food items. You can also monitor daily exercise routines and calories burnt, calculate your BMI and import exercises from TXT files.

It automatically adjusts daily intake values for your weight, graphs your weight loss and activity progress, and calculates units for any food item. You can use it to create custom menus too.