Skin. Sleep. 5 Types of Food Source Collagen: Type I, II, III, V & X. Dr. Axe formula. Ancient Nutrition transforms your health and vitality with history's healthiest whole food nutrients. Our Multi Collagen Protein is uniquely formulated with 5 types of food source collagen that are clinically proven to promote healthy hair, skin, joints and digestion. Promotes more restful sleep. Improves the appearance of crow's feet after four weeks and skin tone after eight weeks. Grass-fed, pasture raised. Ancient Nutrition for the modern world. Packaged by weight, not volume. Settling may occur.