The Red Dragon New member Feb 13, 2005 #21 it's collagen from the bones, as long as they aren't grinding neural tissue into it (I would not be surprised if they did - they're probably so cheap that they'd use the spine/skull)
it's collagen from the bones, as long as they aren't grinding neural tissue into it (I would not be surprised if they did - they're probably so cheap that they'd use the spine/skull)