the.com/sweetener
Sugar's understudy, hired to do the flavor and skip the consequences.
means A substance, natural or synthetic, added to make food or drink taste sweet, often with fewer or no calories.
from From sweeten plus -er, the literal agent noun for the thing that sweetens — first a word for honey and sugar, later for their cunning chemical replacements.
SucraloseRoughly 600 times sweeter than table sugar.
Accidental discoveriesSaccharin and aspartame both found by unwashed hands.
Deal slangA perk added to make an offer irresistible.