What is ayahuasca which Allison Holker blames for Stephen tWitch Boss's death?

Allison Holker Boss has revealed that her husband Stephen “tWitch” Boss was a changed man after he returned from his ayahuasca journey.

“tWitch” Boss, hip-hop dancer, choreographer, actor, and cohost of The Ellen DeGeneres Show, died at 40 in December 2022.