This is basicaly where our differences start to show in verse 27. Jesus is comparing meat that fills us physically to meat that fills us spiritually. Some versions say meat and some say food. Either way the ***umption is that the word meat or food symbolizes a spiritual ONLY meaning. In our view Jesus is talking of a both physical and spiritual food. He says in verse 27 that this food is something that he will give us.(meaning he hasn't given us yet)