Vermigli's Eucharistic polemical writing was initially directed against Catholics, but beginning in 1557 he began to involve himself in debates with Lutherans.
Penulisan polemik Ekaristi Vermigli awalnya ditujukan melawan uamt Katolik, namun pada permulaan 1557, ia mulai melibatkan dirinya sendiri dalam perdebatan dengan umat Lutheran.