The Compendium of Bheḷa 7.6.16

7.6.16

tatsaptarātrādupajātavīryaṃ sudhārasādapyadhikatvameti | prātarviśuddhīkṛtadehabhājāṃ mātrāṃdadītātmaśarīrayogyām ||

Having acquired potency after seven nights, it surpasses even the elixir of ambrosia. / In the morning, for those whose bodies have been cleansed, he should give a dose suitable for one's own body.