Our beef bone broth is made from locally raised beef bones simmered for a minimum of 24 hours. We use knucklebones which gives our broth rich in collagen, glycine and glutamine while also providing richness in proteins for cell regeneration and healing. Calorie Content: 174 ME kcal/kg - 5 kcal/oz ME. Guaranteed Analysis: Crude Protein (Min) 2.41% , Crude Fat (Min) 0.28%, Crude Fiber (Max) <0.5%, Crude Moisture (Max) 97.53%, Crude Ash (Max) 0.14%. ***Our products are bottled in amber glass bottles for shelf life and product quality guarantee!