What role may kykeon have played in the Eleusinian Mysteries?

In the context of the Eleusinian Mysteries, the role of kykeon remains a subject of historical debate. Traditionally, kykeon is described as a simple gruel made of meal and water, consumed by initiates during the preparation phase of the festival rather than at the climax of the rites.1

However, some scholars have proposed that kykeon may have served a more profound purpose. There is circumstantial evidence suggesting that this beverage could have contained a hallucinogenic substance, potentially facilitating the intense, transformative experiences reported by participants. While the exact composition of the drink remains unknown and the secret rites themselves were never formally recorded, this theory posits that the substance may have played a role in the neophytes' profound sense of attaining "newness of life" and the hope of a blessed immortality.21

It is important to approach such historical inquiries with intellectual honesty, acknowledging that because the central rites were kept strictly secret, definitive proof regarding the use of psychoactive substances in the kykeon remains elusive.31