اللَّهُمَّ إِنِّي أَسْأَلُكَ عِلْمًا نَافِعًا وَرِزْقًا وَاسِعًا وَشِفَاءً مِنْ كُلِّ دَاءٍ
Transliteration
Allahumma inni as'aluka 'ilman nafi'an wa rizqan wasi'an wa shifa'an min kulli da'
English meaning
O Allah, I ask You for beneficial knowledge, abundant provision, and a cure from every disease.
When is it recited?
Recited when drinking Zamzam water.
Its virtue
Zamzam water is for whatever intention it is drunk for.
Source
Daraqutni, 2/288; Hakim, 1/472