A hadith in Muslim Shareef states that Rasoolullah (saw) drank zamzam water while standing. Hazrat ‘Abdullah ibn Abbas mentioned in Akhbaar Makkah that one should recite bismillah and drink zamzam water while standing towards the qiblah, in three sips and say: Allahoumma inni asalouka `ilmannafi`a wa rizqannafi`a washifa an min kulli da.