Government officials and journalists who use Google services are the first to be invited to use advanced Gmail account security services announced Tuesday. Google calls the offering an unusual step to protect an overlooked minority of our users that are at particularly high risk of targeted online attacks The free Advanced Protection is not available for commercial G Suite account users. Google does not support encrypted email with this offering, however, G Suite Enterprise, at $25 monthly, does supports the use of encryption keys.
Source: https://threatpost.com/google-advanced-protection-trades-ease-of-use-for-security/128526/