Foods with extremely high nutritional content. The foods gone over in this video include Quinoa, Goji Berries, Acai Berries, Wheat Grass, Spirulina, Hemp Protein, Agave Nectar and Stevia.
Before people jump on the bandwagon, it's probably a good idea if some research was in order, check out this newreel on goji berries
http://www.cbc.ca/marketplace/2007/01/goji.html