A composition for masking the bitter taste of potassium chloride or other potassium salt used in a consumable product as a substitute, in whole or in part, for common table salt, said composition comprising a sugar alcohol and a compound of formula (I)CH2OH—(CHOH)4—CO—NH—CH2—CH2—X;a compound of the formula (II):R1—CR2(OR3)—CO—Y;or a mixture thereof.