Abstract: A System and Method for Developing a Customized Wellness Plan for measuring a user's wellness by determining a user's physiological age. The system and method also help a user to learn about personalized wellness options, where the wellness options have been chosen for the user based upon wellness factors input by the user, additional constraints input by the user and the most recently available information relating to the health sciences. The user can select one or more options, and determine the potential effect implementing the options could have on the user's physiological age over the short or long term. In this fashion, the user can continue selecting various groups of alternatives until he or she has determined the group of options that the user would like to implement as a wellness plan. The user can then obtain further information regarding the chosen wellness plan.