" similar principles apply for healthy eating. Focus on quality sources of animal protein (local, pasture-raised or organic sources of meat, fowl, fish, and eggs), an assortment of colorful vegetables and fresh fruits, and healthy sources of fat (animal fats, avocados, butter, coconut products, nuts and seeds, olives and olive oil). "

― Mark Sisson , The Primal Blueprint: Reprogram Your Genes for Effortless Weight Loss, Vibrant Health, and Boundless Energy