Allulose Sweetener, 5 Lb (2.27 Kg) | Zero Calorie Sugar Substitute | Great for Coffee, Tea, Cooking and Baking | Keto Friendly | Non-Erythritol, GMO Free, Gluten Free & Vegan Sweetener. ZERO CALORIE: Viva Doria Allulose Sweetener is a zero-calorie, low-carb sugar substitute suitable for keto and diabetic-friendly diets.