In Botanical Ecstasies: Psychoactive Plant Formulas in India and Beyond, Dr Matthew Clark proposes that soma/hoama is instead an ayahuasca-like plant complex made from many different species.
He discusses a range of candidates that reliably grow in the right areas and which in combination might produce an effect similar to the so-called 'classic' psychedelics. These early ecstatic experiences, he suggests, contributed to the emergent concept and ritual techniques of mysticism.
Raj Balkaran is a scholar, online educator, and life coach. For information see rajbalkaran.com.
