Clinically studied ingredients. Dr. Axe formula. 5 types of food source collagen. Type I, II, III, V & X. Grass-fed. Pasture raised. Ancient Nutrition transform your health and vitality with history's healthiest whole food nutrients. Our Multi Collagen Protein is uniquly formulated with 5 types of food source collagen that are clinically proven to promote healthy hair, skin, joints and digestion. Clinically-studied source of Types V and X collagen to improve crow's feet after 4 weeks. Clinically-studied source of V and X collagen to reduce joint discomfort in 7 days. Ancient Nutrition for the modern world. Skin. Gut. Nails. Hair. Joints. Color and odor may vary from lot to lot. Packed by weight, not volume. Settling may occur. Grass-fed. Pasture raised.