This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Non-caloric sweetener is: 
Select and explain. 
A. Xylitol., B. Saccharin., C. Sorbitol., D. None.
B: Saccharin.
Answer: B: Saccharin. 
Explanation: Caloric sweeteners 
• Xylitol
• Lactitol
• Sorbitol
• Lycasin
Non calorie sweeteners 
• Saccharin
• Asparatame (Nutra sweetner)