I have had two positive iboga experiences, and one negative. Iboga cán give a bad trip, just like LSD or shrooms.

I wouldn´t know about a decline in quality..quality varies like with many herbal products.

Keep reading. You can never know too much before actually doing it.

There is one thing about iboga that you realy need to keep in mind: when you´re on it, you´re no longer able to asses your own abilities properly; you know that you´ve taken something that affects your judgement etc. But you never realy realise how far away from normal reality you realy are.

You could maybe think that you´re able to climb a stair or something, but if you´d try to do such a thing you will get yourself hurt.