Book excerpt: The definitive guide to green superfoods by one of the world’s leading green foods authorities. Sandoval studied under the tutelage of the famous wheatgrass pioneer Ann Wigmore, and ever since, it has been his life’s passion to help people feel better, live longer, and increase their quality of life with the aid of whole foods. Learn how you can increase your energy, boost your overall health and overcome many illnesses with super green foods like barley grass, wheatgrass, kamut, chlorella, spirulina and others.