It's interesting that you mention multivitamins. When I was burnt out I noticed that Vitamin B, D3 and zinc have a huge positive effect on my mood and energy level.
At the moment, there seems to be no way back. The page to convert an individual user account to an organization account (at https://hub.docker.com/settings/convert) explicitly states:
> To use organization features, convert your account from a User to an Organization.