What does the Bible say about taking communion?

In fact, communion reminds us of the forgiveness we experience through Christ. But Paul urges us to “examine yourself before eating the bread and drinking the cup” (1 Corinthians 11:28 NLT), so that we are going to communion with a humble heart and not just “pretending” to be right with God.

Does the Bible say you have to be baptized to take communion?

Most Protestant churches practise open communion, although many require that the communicant be a baptized Christian. … The official policy of the Episcopal Church is to only invite baptized persons to receive communion.