Arctic indigenous peoples prevented scurvy by consuming adrenal glands from killed animals.

“the natives in Canada in the Arctic that he was studying I don't remember the name of the tribe he asked them if they knew about scurvy they did and he asked them how they what they did about it and they told him that scurvy was a white man's disease so they said the way that they prevent scurvy is that whenever the they kill a moose they cut out there's a big ball of fat above the kidney they called it a big they called it a little ball of fat that was the adrenal gland and they cut it up so that every little Indian and every big Indian and the tribe”