RxSugar® is The World’s Best Tasting, Plant-based Certified, Non-GMO Project Verified, Keto Certified Sugar. RxSugar® is Sugar Reimagined. RxSugar® is made from a rare and delicious plant-based sugar with 0 calories, 0 net carbs and 0 glycemic/blood sugar impact. RxSugar® is a great-tasting, fully functional and healthy upgrade to cane sugar, artificial sweeteners, sugar alcohols and stevia/monk fruit.