The best replacement for sweetener is sugar.

The best alternatives to sweetener are rated as following:
★★★★★  sugar
★★★★★  honey
★★★  brown sugar
★★★  sugar substitute
★★★  stevia
★★  splenda
★  erythritol
★  real sugar
★  truvia
  nutrasweet

Your alternative for sweetener is not listed? Suggest!
Speaking about sweetener, one probably shouldn't forget about saccharin.

Other search terms related to sweetener and their ratings are:
★★★★★ saccharin
You have in mind a companion for sweetener and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of sweetener in all years. Click on graph for more.
sweetener
sugar
honey