The present invention discloses an electronic platform for managing behavioural change of a user comprises: at least one user terminal linked to a communication network, configured to collect and/or to provide information relating to the user; at least one third party entity server linked to the communication network, configured to provide third party information and/or to obtain information from the user and/or another third party entity; and a platform server connected to the user terminal and the third party entity server via the communication network, configured to: receive information from the user terminal and the third party entity server, process and filter the received information for constructing a user profile for the user, generate a user prediction profile, a user health and lifestyle rating profile, and a user lifestyle recommendation profile based on the user profile, send the user prediction profile, the user health and lifestyle rating profile, and/or a user lifestyle recommendation profile to the user terminal to be displayed and/or the third party entity server, and compute the user compliance with the lifestyle recommendation based on the subsequent information collected by the user terminal.