Diabetic (糖尿病)

请问糖尿病要怎么配？要吃什么产品？谢谢！

Ling zhi tea can bring down blood sugar. Drink ling zhi everyday. I
have tested my blood sugar drop from 5.8 to 4.9 after taking the tea 2 
hours after lunch. I have experiment 3 time and the result consistent.