• J92@lemmy.world
    link
    fedilink
    arrow-up
    4
    ·
    1 day ago

    From a brief look up, it appears to be derived from collagen which is acquired from mostly skin and bones, of mostly cows and pigs.

    • AnUnusualRelic@lemmy.world
      link
      fedilink
      English
      arrow-up
      4
      ·
      1 day ago

      After a wee bit of reading, bones are indeed one of the major sources. They just dissolve the calcium with acid and then can boil the collagen away. What clever little buggers.