1. In ottawa there are several community center which provide 糖尿病 related training. They provide detailed instruction on diet control. Register with them and take a course.
2.苦瓜 is a very good vegetable for control blood sugar , it is widely used in India to control blood sugar. 中医 will tell you to eat 苦瓜 to control blood sugar.苦瓜 can be bought at all Chinese grocery stores.
For your reference.
我搬到多伦多去了,那里苦瓜便宜,多吃哈