Nutrients 2018: Gastrointestinal tolerance and glycemic reaction of isomaltooligosaccharides in healthier Grown ups [randomized demo; reasonable proof] Erythritol is just 70% as sweet as sugar and it has zero calories. But there’s a relatively minty awesome aftertaste to it. However, blending it with other sweetener can lessen the undesirable taste. https://alch-lab.com/keto-diet/