Grass fed beef bones simmered for 4 days to be high protein, 16.5 grams per cup, and as nutrient dense as possible (full of COLLAGEN and glucosamine chondriotin). Fresh Frozen, so the gut-health amino acids stay alive. Sip as is, or use in cooking any way you would broth from a box or a can. Salt to your taste, Lily's Ladle Beef Bone Broth has no added salt! Frozen in the freezer for 6 month, lasts thawed in the fridge for 10-14 days.