A claim, amplified heavily by QAnon from 2017 onward, that global elites harvest a compound called adrenochrome from the blood of frightened children and consume it as a psychoactive drug or life-extension substance. Adrenochrome is a real, commercially available compound (oxidised adrenaline) with no credible evidence of psychoactive properties or significant physiological effect at any plausible dose. The claim recycles antisemitic blood-libel tropes with a modern pseudo-scientific veneer.