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Irenaeus, Against Heresies, Book I, chapter 13 (on Marcus), trans. Roberts & Rambaut (Ante-Nicene Fathers vol. 1)

Irenaeus of Lyons; New Advent · c. 180

AI-verified citationSRC-IRENAEUS-AH1
identifier / locator
Adversus Haereses 1.13.2
url
https://www.newadvent.org/fathers/0103113.htm
verification note
Chapter fetched and read 2026-08-25; the cup passage verified verbatim ("Pretending to consecrate cups mixed with wine ... he contrives to give them a purple and reddish color"), along with the philters and love-potions accusation in 1.13.5.
reliability notes
  • The closest thing to a 'drugged cup' text in the early Christian record — and it is hostile heresiology describing a conjuring trick and love-philters, written to condemn the practice as fraud, not to document a psychedelic sacrament.

Evidence drawn from this source

Qualifies· weakTIK-E021

Irenaeus on Marcus: the record's one 'drugged cup' text is a fraud polemic

what the source states
Irenaeus (c. 180) describes the Gnostic Marcus "pretending to consecrate cups mixed with wine" and contriving "to give them a purple and reddish color" so that the goddess Charis would seem to drop her blood into the cup, via a larger-cup overflow trick the text presents as a conjuring deception; a later section accuses Marcus of compounding philters and love-potions to seduce women followers.
what we infer
The closest the early Christian record comes to a pharmacological Eucharist — and read plainly it is hostile heresiology describing stage magic and love-potion accusations, condemned as fraud by the proto-orthodox observer. It attests that cup manipulation was thinkable and scandalous in the second century; it does not attest a psychedelic sacrament, and its polemical genre limits what any reading can extract.
limitations
  • Hostile polemic about a rival, written to discredit; neither the trick nor the philters accusation is independent evidence of what Marcosian communities actually consumed.