To treat jet lag in adults aged 18 or older with an immediate release compounded 5mg or less Melatonin. Melatonin 0.5- 5mg orally to be taken on the plane at bedtime of the final destination. Melatonin can be taken for up to four consecutives night. A prescription is not required for purchasing 10 capsules of Melatonin 5mg for jet lag.