This jar is full of all the goodness of long life and great skin! Pork back bones, femurs, trotters, and hocks with a bit of extra skin and fat- boiled down for 18 hours with just water. The bones break down and become crumble and this is what is left. Gelatinous and full of minerals, collagen, glucosamine, amino acids proline and glycine- pork broth helps the body heal wounds, improve gut health by improving your gut flora and digestive system and strengthens our skin and veins. Our pigs are 100% real free range and are VEGETARIAN so these bones are damn good for you.