# JRT Is a Non-Hallucinogenic LSD Analog With Strong Early Data - slug: the-graduate-student-behind-the-molecule-bryan-johnson-called-a-longevity-breakthrough - date: 2026-04-21 - category: Biotech & Life Sciences JRT swaps two atoms from LSD, keeps the receptor biology researchers care about, and in mice shows antidepressant-like effects without the usual hallucinogenic marker. It is still early science, but the timing is suddenly more consequential. ---