Are shirataki noodles sugar free?
Yes, shirataki noodles are sugar free. Shirataki are perfectly blood sugar friendly.
Here are the test report from ATOR FOOD:

There’s Dietetic Research by Dalian City Center Hospital Nutrition Department : Konjac to Diabetes Blood Sugar, Blood Lipids. It says that konjac helps control blood sugar levels and normalises cholesterol leves.

Shirataki noodles also called konjac noodles, which are made from konjac flour.
High in glucomannan fiber and low in calories,carb and fat.

konjac shirataki is suitable for all people, and it is a perfect health foods to diabetics people too.