Processes and systems for achieving and assisting in improved nutrition based on food energy data and relative healthfulness data

A process for selecting and purchasing food comprises, using at least one of food identification data and food serving nutrient data of a food offered for sale, obtaining food energy data representing an energy content thereof and relative healthfulness data representing a relative healthfulness thereof;

• selecting the food offered for sale based on its food energy data and its relative healthfulness data;
• and
• purchasing the selected food offered for sale.

A process for providing data to a consumer to assist in a process for controlling the consumer's weight, comprising, receiving in a data processing system data provided by a consumer for a food serving selected by the consumer including at least one of food serving identification data and food serving nutrient data;

• using a processor of the data processing system, obtaining food energy data and food healthfulness databased on the at least one of food serving identification data and food serving nutrient data;
• and
• at least one of (a) communicating the food energy data and the food healthfulness data to a device for presentation to the consumer, and (b) presenting the food energy data and the food healthfulness data to the consumer via a presentation device of the data processing system.

A system for providing data to a consumer to assist in a process for controlling the consumer's weight, comprising, an input operative to receive data provided by a consumer for a food serving selected by the consumer including at least one of food serving identification data and food serving nutrient data;

• a processor coupled with the input to receive the data provided by the consumer and configured to obtain food energy data and food healthfulness data based on the at least one of food serving identification data and food serving nutrient data;
• and at least one of (a) communications coupled with the processor to receive the food energy data and the food healthfulness data therefrom and to communicate the food energy data and the food healthfulness data to a device for presentation to the consumer, and (b) a presentation device coupled with the processor to receive the food energy data and the food healthfulness data and operative to present the food energy data and the food healthfulness data to the consumer.