Best of the Bone Original Bone Broth Concentrate 390gBest of the Bone is an all natural grass fed beef bone broth concentrate that is a true collagen, mineral and amino acid rich living gelatine. Gluten, antibiotic and dairy free just pure bone broth with no additives aside from Celtic sea salt. Nearly 40% collagen protein absorbed at a much higher rate than other collagen sources thanks to important healthy fats (the most efficient fuel source for your body and critical for the absorption of vitamins