Methods for monitoring and adjusting a physiological state of a subject. The methods include (1) providing a subject having one or more physiological parameters defined by one or more biometrics, (2) monitoring a selected biometric analyte associated with a selected biometric to define a state of the selected biometric, (3) based on the results of the monitoring, adjusting the state of the selected biometric by administering to the subject a supplement selected to affect the state of the selected biometric.