Instruct: Classify the given review as either positive or negative.
Query: What your doctor doesn't know about Nutritional Medicine May Be King You

This is an excellent book all people must read to gain an understanding of how quality nutritional product will improve your health condition much better than medicine. It is true most doctors do not understand value of nutritional supplement to our health. One should find a right doctor who is in support of prescribe alternative medicine and nutrition rather than drug. High quality nutritional products are key. The pain on my back and shoulder have heal since I took quality nutritional supplement. I no long take any pain killer such as ibuprofen, and I also avoid other junk low quality (cheap) nutritional product -- the ones that are advertised a lot.