Charak Samhita
वमितश्च विरिक्तश्च मन्दाग्निश्च विलङ्घितः। अग्निप्राणविवृद्ध्यर्थं क्रमं पेयादिकं भजेत् ॥५७॥
[Importance of diet after purificatio] Peyadi krama (peyadi diet regimen) must be followed by those who undergo Vamana and Virechana, who have diminished agni and who is under fasting for improving the jatharaagni ( digestion and metabolism) and prana shakti(vitality)n
english translation
vamitazca viriktazca mandAgnizca vilaGghitaH। agniprANavivRddhyarthaM kramaM peyAdikaM bhajet ॥57॥
hk transliteration by Sanscript