The Compendium of Caraka 6.15.205

6.15.205

saghṛtaṃ lavaṇairyuktaṃ naro 'annāvagrahaṃ pibet/
raukṣyānmande pibetsarpistailaṃ vā dīpanairyutam//

should take a pre-meal draught of ghee combined with salts. / When the fire is sluggish due to dryness, one should drink ghee or oil combined with digestive stimulants;