Why not take John 6:63 literally, then, where Jesus said that the Spirit gives life, the flesh is no help at all?
Or when Jesus said that He was the door, or the true vine.
I don’t suppose that Catholics would consider Him to be made out of wood or green and leafy.
To think that Jesus would command His followers to break the Law by consuming blood is ludicrous.
"For it seemed good to the Holy Spirit and to us to lay upon you no greater burden than these essentials: that you abstain from things sacrificed to idols and from blood and from things strangled and from fornication; if you keep yourselves free from such things, you will do well.
(Acts 15:28,29)