Just remember to start small. 3 small dried caps, about the size of a quarter or smaller, gave me the effects of smoking a primo fatty for about 8hrs.
If the dose isn’t effective, too little/too much, adjust the dosage either way until you find what works for you.
I saw a news report on it several years ago. The man tried everything with no positive results. He doesn’t like to trip, but says that two sessions a year is worth the relief it brings him.
We all have different body chemistry, so I can’t say it WILL work for anyone else, but it’s worth trying. I haven’t had an episode in many years.
Cluster headaches = total misery…