Board Thread:Bug Reports/@comment-25813566-20150103225409/@comment-25565811-20150104155715

Mandalor the Wolffe wrote: If you want, try to use gamerule (command) ... I know all this, I also could have changed to creative mode and fly. The only thing was, that it wasn't possible, because a played on a server.

I don't think that there are heart containers included in vanilla MC, you've got to use mods for that.