One of the senior professor of Medical college he is specialist in both diabetes and cardiolgy he advise to the diabetic persons ( 300 gms of fenugreek 100 gms of cinnamon and turmeric 10gms to mix completely and preserve in the closed tight container and everyday 3 times before breakfast lunch and dinner it helps to reduce the BS
As it is daily mostly used in homes also I think it may not to harm a or any side effect may notif consuming this it may not harm and no side effect may be noticed
By studing some Ayurvedic magzines it is found that Turmeric and Amalkai mixture powder may reduce the BS level. In Medical stores this product called avilableNISHAMALAKI TABLETS OR NISHAMALAKA DI CHURNA
Recently one great ayurvedic company also release this medicine by the name of glucose balance but it high constly content in the medicine is only turmeric and also Amalaki