Do you not find it extraordinary that John doesnt event mention the Lord Table in his gospel? If John 6 was the Lords Table ... it strains interpretive credibility to believe his ommission is nonconsequential.
"There are also many other things that Jesus did, but if these were to be described individually, I do not think the whole world would contain the books that would be written." - John 21:25
Nevertheless, the New Testament testifies that the early Church regularly participated in the Eucharist whenever they met together (Acts 2:42, 46; 20:7; 1 Cor 11:33).
Peace be with you