Hey Dzog,
welcome to the nexus.
Related to your question have mushrooms been one of my greatest teacher so far, but one has to consider, that the "healing" only comes from within oneself due to confrontation with and acceptance of what there is.
Regardless of what plant or mushroom one takes, set & setting might play an important role. Beside of that, the substances may confront oneself with ones traumatic experiences from the past but one has to work through it all alone, nothing is going to take the load out of ones hands.
Dzog wrote:I sincerely want to be healed so that I can be of more benefit to humanity.
All love, tseuq
Everything's sooo peyote-ful..