The best sweeteners that have no side effects on glucose and insulin levels are: Allulose Monk fruit Stevia (look for pure stevia extract because some other forms of it are mixed with glucose-spiking fillers) Erythritol There are some artificial sweeteners I’d recommend you avoid, because they are known to increase insulin and/or glucose levels, especially when combined with foods, or cause other health issues. They are: Aspartame Maltitol (turns to glucose when digested) Sucralose Xylitol Acesulfame-K