To investigate whether whey protein beverages causes mouthdrying and reduces acceptability compared with a control beverage (whey permeate beverage) and to determine whether manipulating salivary flow rates influences mouthdrying.~To determine whether mucoadhesion is a probable cause of mouthdrying.
Brief Summary: This study aims to investigate whether protein fortification of beverages causes mouthdrying and mucoadhesion and whether this is influenced by saliva flow.