Clinical studies show that melatonin typically takes 30-60 minutes to begin working. The timing can vary based on several factors:
- Form of supplement (pills, gummies, sprays)
- Whether taken on empty stomach or with food
- Individual metabolism
- Dosage amount
For optimal results, take melatonin 30-60 minutes before your intended bedtime. The effects usually last 4-8 hours, though individual responses vary. When using for jet lag, start taking it at your destination’s bedtime a few days before travel. Important: Avoid driving or operating machinery for 4-5 hours after taking melatonin, as it may cause drowsiness.
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Last Updated: August 14, 2025
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