The present patent-pending invention relates to a nano natural immunity enhancer composition for treatment of cancer. The composition for treating diabetes, preferably formed of nano herbal extracts, contains Aloe Vera,Shiitake Mushroom,Agaricus Mushroom,Reishi Mushroom, ,Graviola Leaf, and Black Seed or extracts of them. In particular the composition is given to all types of cancer to increase immunity ,increase NK cells and to enhance the treatment of cancer. Observed results showed excellent results in 25 years for all types of cancer with no adverse or side effects.