>>1349420>>1349366He didn't die from poisoning. That is a made up fable by the book's author. He died from starvation, plain and simple. The amount of toxin in those seeds is so little that in order to harm yourself on them from that specific toxin, you'd need to so so many that the other normal chemicals in the plant would become toxic to you. It is the same thing that happens if you eat too much kale, lettuce, etc. Trying to feed yourself from the wild by hunting and foraging is a non-stop endeavour and he did very little of it.