According to the article, urushiol extract is considered safe and effective by the US FDA and pills were available over the counter up until the 1970s. They disappeared from the market because of regulations regarding determining exact dosage needs and the ability to make pills containing that dosage. It is, apparently, a difficult problem. But a company claims to have solved the problem and will start doing trials shortly.
In other words, eating poison ivy absolutely will work. But nobody knows how much you should eat. And the leaves aren't fungible, so how can anyone tell you how many to eat even if they knew how much you should eat?
that was how i was told to do it, too. they said to put them into gel capsules so the leaves don't touch your skin. supposedly you want to dose up like two weeks worth of gel capsules.
In other words, eating poison ivy absolutely will work. But nobody knows how much you should eat. And the leaves aren't fungible, so how can anyone tell you how many to eat even if they knew how much you should eat?