In India, more than 1.5 million children under five continue to die each year as a result of acute diarrhoea. Recently (in year 2010) the WHO ( World Health Organization ) had recommended a new ORS formula for the clinical management of diarrhoea. This new ORS includes the use of which of the following additional elements along with oral rehydration therapy (ORT) to decrease the incidence and severity of diarrhoea?