Carnivorous livers such as polar bears' have dangerous levels. Omnivore/herbivore livers aren't very dangerous at all, you'd have to eat many many kilograms in

Carnivorous livers such as polar bears' have dangerous levels. Omnivore/herbivore livers aren't very dangerous at all, you'd have to eat many many kilograms in a single setting to approach acute toxicity. Or eat like a pound a week for perhaps months to years.