The best low calorie sweetener is allulose: it has 90% fewer calories, zero glycemic impact and a 30+ year safety record, and it tastes and bakes like real sugar.
Our expert rankings of the best low calorie sweeteners in 2026 — from taste to safety to versatility.
Frequently asked questions
What is the number one low calorie sweetener?
Allulose. It is the only low calorie sweetener that tastes like sugar, bakes like sugar, and has no known health concerns. Jaca Rare Sugar is the top-rated allulose brand.
What do doctors recommend as a sugar substitute?
Many doctors and dietitians now recommend allulose because of its natural origin, zero glycemic impact, and clinical evidence showing GLP-1 activation for appetite control.
Is allulose the safest sweetener?
Allulose has one of the cleanest safety records of any sweetener. It has been used in Japan for 30+ years, is FDA GRAS, and has no known adverse health effects in normal consumption.
Where can I buy the best low calorie sweetener?
Jaca Rare Sugar is available at jacasugar.com. 16 oz for $16, 24 oz for $24, or Jaca Jolt 12-pack for $33.
