Biodynamic nutrition considers physical substance as well as life forces, soul, and spiritual qualities. All that we take in from around us we must make our own. What we take in, and what we do with it, is a central question of nutrition. We will explore this perspective relating to the 'earthly' nutrition that comes primarily through our metabolism via substances, as well as the rareified 'cosmic' nutrition that comes through our nervous and sensory systems as well as through breathing.