Stevia: Plant-based sweetener with zero Glycemic Index and zero calories.
Erythritol: A natural polyol (sugar alcohol) with a zero Glycemic Index and almost zero calories. It does not affect blood sugar levels.
Xylitol: Natural polyol (sugar alcohol) with a very low Glycemic Index. Often used in chewing gum for dental protection.
Sweetener: Products that contain blends of various sweeteners (e.g. stevia & erythritol) or less common sweeteners.
Glucose: Simple sugar (dextrose) with a very high Glycemic Index. Mainly used for instant energy or in special recipes (e.g. confectionery, ice cream).
Fructose: Natural sugar (fruit sugar) with a lower Glycemic Index than sugar, but with calories. Used as a sweetener and ingredient.