Śrī Śukadeva Gosvāmī continued: Viśvarūpa, who was engaged as the priest of the demigods, had three heads. He used one to drink the beverage soma-rasa, another to drink wine and the third to eat food. O King Parīkṣit, thus I have heard from authorities.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
श्रीशुक उवाच । तस्यासन् विश्वरूपस्य शिरांसि त्रीणि भारत । सोमपीथं सुरापीथमन्नादमिति शुश्रुम
śrīśuka uvāca | tasyāsan viśvarūpasya śirāṃsi trīṇi bhārata | somapīthaṃ surāpīthamannādamiti śuśruma
SB 6.9.1