Holistic (or natural) nutrition has been an interest of mine for quit some time now. I am currently getting more information on a natural nutrition course which I will likely enroll in come the spring. Here is a brief article regarding a study which used ginger powder as a means to improve fasting glucose and insulin sensitivity in people with type II diabetes.
To help you better understand, or get further information on the contents of this article, here are a three more links:
What is insulin sensitivity – http://www.diabetes.co.uk/insulin/insulin-sensitivity.html