Sinclair Method Studies
Published on: 11/06/2025
This article examines the scientific foundation behind TSM, drawing on nearly three decades of peer‑reviewed trials, neuroimaging research, and systematic reviews.
The Sinclair Method didn’t originate in a corporate lab or a detox facility—it started in a Helsinki research centre. Dr John David Sinclair, a behavioural psychologist from the United States, moved to Finland in the early 1970s after completing his PhD. There, he joined Alko Laboratories, the research arm of Finland’s state alcohol monopoly, which would later become part of the country’s National Public Health Institute.