John 6:32 introduces the true bread from heaven which Jesus identifies as himself in 6:58, contrasting with manna.

In John 6:47-51, Jesus introduces the bread of life theme and eternal life for believers—the immediate context that culminates in verse 58's contrast with manna.

John 6:27 urges seeking food that endures to eternal life—the same theme of enduring nourishment that verse 58 identifies as the bread from heaven.

John 6:50 promises that eating the bread from heaven prevents death—the same promise that verse 58 expands by contrasting with manna and adding 'live forever.'

John 6:34 records the crowd's request for the bread, which Jesus then identifies as himself giving eternal life in 6:58.

In John 4:14, Jesus offers living water that becomes a spring of eternal life—a parallel metaphor to the bread of life giving eternal life here.

Exodus 16:15 describes manna from heaven—the Old Testament provision that Jesus contrasts with himself as the true bread giving eternal life.