The well of Zam Zam water is located in Masjid Al-Haram in Mecca. This is purist form of water on the earth. People are taking water from this well from ages. There are so many benefits of Aab e zam zam.
Cure the Sick
Bibi Ayesha (R.A.) reported that she took Zam zam water home with her in bottles, and said, “The Messenger of Allah (peace and blessings of Allah be upon him) took some of it away with him, and he used to pour it on the sick and give it to them to drink.” (Reported by al-Tirmidhi, 4/37).