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02:31

How to Find the Right Dose of Melatonin

Too little melatonin, you can’t fall asleep. Too much, and you wake up feeling groggy. Finding the right dosage may take some trial and error.

Sophia KellerAlexandra Schwarz, MD
Written by Sophia Keller | Reviewed by Alexandra Schwarz, MD
Published on September 14, 2023

Melatonin is a supplement used to help you fall asleep. It can come in a variety of strengths, from 0.1 mg all the way to 10 mg per dose. So, how are you supposed to know how much melatonin to take?

You should start small to see how your body reacts. From there, you can either up or lower your dosage. Keep in mind that if you’re waking up feeling groggy, that can be a sign you’re taking too much melatonin. 

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Additional Medical Contributors
  • Stacia Woodcock, PharmDStacia Woodcock, PharmD, is a pharmacy editor for GoodRx. She earned her Doctor of Pharmacy degree from the University of Kentucky and is licensed in New York and Massachusetts.

    References

    Dietary Supplement Label Database. (2023). Melatonin. National Institutes of Health.

    MedlinePlus. (2022). Melatonin.

    View All References (3)

    Pierce, M., et al. (2019). Optimal melatonin dose in older adults: A clinical review of the literature. The Senior Care Pharmacist.

    Sateia, M. J., et al. (2017). Clinical practice guideline for the pharmacologic treatment of chronic insomnia in adults: An American Academy of Sleep Medicine clinical practice guideline. Journal of Clinical Sleep Medicine.

    Savage, R. A., et al. (2022). Melatonin. StatPearls.

    GoodRx Health has strict sourcing policies and relies on primary sources such as medical organizations, governmental agencies, academic institutions, and peer-reviewed scientific journals. Learn more about how we ensure our content is accurate, thorough, and unbiased by reading our editorial guidelines.

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