https://www.sciencefocus.com/the-human-body/will-you-die-if-you-eat-a-polar-bears-liver/
ref - https://www.reddit.com/r/todayilearned/comments/fa78g8/til_that_the_entire_liver_of_a_polar_bear/
origin - https://www.pipiscrew.com/?p=17219 the-entire-liver-of-a-polar-bear-contains-enough-vitamin-a-to-kill-as-many-as-52-adult-humans