Snake venom can drink

Poisonous snakes use their venom when they bite victim to paralyze or kill her. In contrast to all the other poisons take effect when released into the digestive system, venom has a different focus: it acts on muscle tissue and enters the bloodstream. Drunk snake venom is not lethal as the gastric digestive juice rework it just like any other food, before the poison gets into the blood.

via factroom.ru