It is more thirst- quenching, healthier and more wholesome. Anas said: So I also breathe three times in the course of a drink. (Using translation from Muslim 2028b)
كَانَ رَسُولُ اللَّهِ ﷺ يَتَنَفَّسُ فِي الْإِنَاءِ ثَلَاثًا وَيَقُولُ «هُوَ أَرْوَى وَأَبْرَأُ وَأَمْرَأُ» قَالَ أَنَسٌ «وَأَنَا أَتَنَفَّسُ فِي الشَّرَابِ ثَلَاثًا»