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Shift Work

Circadian Rhythm Supplements for Jet Lag and Shift Work

Your body operates on a precise 24-hour internal clock called your circadian rhythm, controlled by the suprachiasmatic nucleus (SCN) in your hypothalamus. This master timekeeper coordinates everything from hormone release to body temperature, metabolism, and sleep-wake cycles. When you cross time zones rapidly or work night shifts, you force your SCN out of sync with external time cues, creating a biological conflict with measurable health consequences. Jet lag and shift work disorder aren’t just inconveniences - they’re recognized medical conditions. Research published in The Lancet demonstrates that chronic circadian disruption increases risks for metabolic syndrome, cardiovascular disease, certain cancers, and cognitive decline. The good news: specific supplements, timed correctly, can dramatically accelerate your body’s adjustment to new schedules.