Sleep Apnea Medication and Supplements: What the Evidence Says

Whether you suspect sleep apnea, were recently diagnosed, or are finding treatment hard, it’s understandable to hope a supplement could help. But no supplement has strong evidence for treating sleep apnea, because helping you sleep isn’t the same as keeping your airway open. Supplements shouldn’t replace treatment a clinician prescribes. One prescription medication is now approved for some adults, and I explain it right below. If you take sedating medicines like sleeping pills, anxiety pills, or opioid painkillers, you can also jump straight to drug interactions.

Is there a medication for sleep apnea?

Yes, but only one so far, and only for some people. In December 2024, the U.S. Food and Drug Administration (FDA) approved tirzepatide, sold as Zepbound, for moderate to severe obstructive sleep apnea in adults with obesity. [1] It’s a once-weekly injection, prescribed by a clinician and used together with a reduced-calorie diet and more physical activity. In Europe, the same medicine is sold as Mounjaro. It doesn’t have a separate approval for sleep apnea there. The European Medicines Agency (EMA) has said it improves obstructive sleep apnea in adults with obesity, a use already covered by its approval for weight management. [2]

What sets it apart from the supplements on this page is how it was tested. In two trials with 469 adults, it reduced how many times per hour breathing stopped or was partly blocked during sleep [3], the same kind of measurement explained in the evidence section below. The FDA says this improvement is likely related to weight loss. [1] It can cause side effects such as nausea, diarrhea, and vomiting, along with more serious warnings a clinician would go through before prescribing it.

What counts as evidence for sleep apnea itself?

For a supplement to count as treating obstructive sleep apnea (OSA), research has to show it improves what a sleep test actually measures. Look for these measurements in study results, and be extra skeptical when a product claims to help sleep apnea without showing any of them. Home sleep tests usually record fewer of them than a lab sleep study, so it’s normal if your own report doesn’t show every one.

AHI (Apnea-Hypopnea Index): how many times per hour your breathing stops or is partly blocked during sleep. This is the number you’ll most often see in a sleep study summary.
ODI (Oxygen Desaturation Index): how many times per hour your blood oxygen drops by a set amount, usually 3% or 4%, measured by a small sensor clipped to your finger. A good study says which one it used.
Oxygen nadir: the lowest oxygen level reached during the night.
Arousal index: how many times per hour your sleep is briefly interrupted. It’s usually recorded only in a lab sleep study.
Measured snoring: how often you snore, recorded by a microphone or sensor. Less snoring is a helpful extra sign, but on its own it doesn’t show that sleep apnea improved.

Falling asleep faster or feeling less tired the next day can help with insomnia, but it doesn’t prove a supplement prevents airway collapse or dangerous oxygen drops.

Sleepier is not the same as treating sleep apnea.

With that standard in mind, none of the common supplements in the table below showed apnea-specific results. I checked this in summaries from the U.S. National Center for Complementary and Integrative Health (NCCIH). [9][10][11][12] So instead, the table compares what they’re actually used or studied for, and what to watch out for.

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Do common sleep supplements help sleep apnea?

I included melatonin, magnesium, chamomile, valerian, ashwagandha, and kava because they come up often in searches about sleep apnea, not because I recommend any of them for treating it.

Read a supplement’s row first to see whether it’s worth considering at all. If you take any prescription medicines, use the Quick screen in Can supplements interact with your medicines? before trying it.

“Not recommended for self-trying” is a stronger stop sign for everyone: it means the supplement has a safety risk that matters during sleep, like strong sedation, and one of my sources, listed at the end of the page, has issued a specific warning about it.

Supplement	Used or studied for	Main safety concern	Who shouldn’t self-try, and what to ask
Melatonin	Sleep timing (your body clock), jet lag, and delayed sleep-wake phase disorder. ^[9]	Extra daytime sleepiness, if it carries into the next day.	The groups in Who should check with a clinician before trying a supplement apply here too. Ask about: the right dose and timing for you.
Magnesium	Relaxation, which is why it’s often mentioned, and possibly sleep quality, based on some studies.	Kidney function, so people with kidney problems should check before taking it.	The groups in Who should check with a clinician before trying a supplement apply here too. Ask about: the right dose for you, and whether your kidney function makes it a concern.
Chamomile	Often used for calm and sleep, but evidence for insomnia is limited or inconsistent. ^[11]	Reported interactions with blood thinners like warfarin, which may affect bleeding risk. ^[11]	The groups in Who should check with a clinician before trying a supplement apply here too. Ask about: if you take a blood thinner, whether it’s safe to add.
Valerian root	Sleep and calm, which is how it’s marketed, though evidence for sleep is inconsistent and the American Academy of Sleep Medicine advises against it for long-term insomnia. ^[10]	Added sedation, which is riskier when combined with alcohol or sedating medicines. ^[10]	The groups in Who should check with a clinician before trying a supplement apply here too. Ask about: how long to take it, and how to stop safely, since stopping after long-term use can cause withdrawal. ^[10]
Ashwagandha	Stress and sleep, which some studies suggest it may help; evidence for anxiety is unclear. ^[12]	Added sedation, since it can cause drowsiness. ^[12]	People who are pregnant, breastfeeding, or have surgery coming up; NCCIH advises against it in these cases. ^[12] Ask about: whether it’s suitable if you’re treated for a thyroid, diabetes, or blood pressure condition. ^[12]
Kava	Calming and anxiety relief, which is how some sellers market it.	Strong sedation, which can make breathing during sleep worse.	Not recommended for self-trying, because of strong sedation and an FDA safety review that links it to serious liver damage. ^[13] Use it only under your clinician’s supervision, if at all.

To check for apnea evidence, I looked in NCCIH’s summaries for the measurements listed in the evidence section above.

I haven’t personally tested any of these supplements.

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Supplements that may help you sleep, but not your breathing

These supplements are mostly studied for falling asleep, feeling calmer, and sleep timing, not for keeping your airway open during sleep. For sleep apnea, I only count evidence that shows a measured change in breathing during sleep, like fewer breathing pauses or smaller oxygen drops. Some of them also add risk, because they’re sedating.

Supplements that may do more harm than good

Supplements with a strong sedating effect can make breathing during sleep worse, especially when combined with sedating medicines like sleeping pills, anxiety pills, or opioid painkillers. That’s why the Quick screen below asks you to check with a pharmacist first.

Kava and some high‑dose sedative blends are particular concerns, and an FDA safety review links kava to serious liver damage. [13] Valerian also adds sedation, and its row in the table above covers the details.

Ashwagandha has the same problem, with no apnea evidence to balance the risk: it may cause drowsiness and can interact with several medicines, including sedating medicines and medicines for diabetes, blood pressure, and thyroid conditions. [12]

When sedation or medicine interactions are likely, the risk often outweighs the small or nonexistent apnea benefit.

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Can supplements interact with your medicines?

Quick screen

If you take any prescription medicines: show the supplement and your full medicine list to your pharmacist before trying it. The categories below show where the risk is highest.
If you don’t take any prescription medicines: start with what counts as evidence to see whether a supplement is worth considering at all.

Where the risk is highest:

Sedating medicines (CNS depressants), such as sleeping pills, anxiety pills like benzodiazepines, and opioid painkillers: supplements that add sedation, like valerian and some herbs sold for stress (often called adaptogens), can worsen breathing during sleep. [10][12] Next step: don’t combine them until your pharmacist has checked.
Blood thinners (anticoagulants and antiplatelets), such as warfarin: some herbs, like chamomile, have reported interactions and may affect bleeding risk. [11] Next step: tell your pharmacist about any herb before you add it.
Blood pressure and diabetes medicines: herbs like ashwagandha can change how well blood pressure or blood sugar stays under control. [12] Next step: ask your pharmacist whether it could affect your readings.

Medicines not listed here count too, because several herbs may change how your body breaks down other medicines. [11] For example, early studies suggest chamomile may make birth control pills less effective. [11]

Worrying about mixing supplements with your medicines is common, and it’s a fair worry. I built this section so you know exactly what to bring to that pharmacist check, instead of guessing on your own.

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Red-flag claims to watch out for

Red flags to watch for:

“Replaces CPAP” or “replaces your treatment.”
“Treats” or “cures” sleep apnea.
“Clinically proven to cure sleep apnea.”
“Zero side effects” or “safe with all meds.”

These claims are common because the FDA doesn’t review supplements for safety or effectiveness, or approve their labels, before they’re sold. [14][15]

What real proof looks like: a product that claims to treat or cure sleep apnea is already overstepping, since supplements aren’t supposed to make disease claims. [14] Real proof is peer‑reviewed research that measured breathing during sleep, using the measurements listed in the evidence section above. A study about falling asleep faster or feeling calmer doesn’t count. And no supplement can promise it’s safe with every medicine.

What to do next: treat any product using these phrases as marketing, not evidence. If you still want to try it, use the Quick screen first if you take prescription medicines, and talk to your clinician before changing any treatment.

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Who should check with a clinician before trying a supplement

For some people, a quick check before starting any supplement is the safest first step, so look for yourself in the list below.

Ask your clinician first if you:

are pregnant. NCCIH notes limited safety data for valerian and chamomile during pregnancy, and advises against ashwagandha. [10][11][12]
are breastfeeding. NCCIH advises against ashwagandha while breastfeeding, and notes that little is known about the safety of valerian and chamomile. [10][11][12]
have surgery coming up. NCCIH notes ashwagandha isn’t recommended around surgery. [12]
have liver disease.
have an autoimmune disorder. NCCIH notes ashwagandha isn’t recommended for people with autoimmune disorders. [12]
have a thyroid disorder. NCCIH notes ashwagandha isn’t recommended for people with thyroid disorders, and it can interact with thyroid medicines. [12]
are an older adult.

If you take any prescription medicines, ask your pharmacist first: show them the supplement and your full medicine list, as in the Quick screen above.

Being in one of these groups doesn’t automatically rule supplements out. It means one short conversation first, so bring the product label and let your clinician or pharmacist check the ingredients and dose. This page is a safety resource, not a shopping list.

If you’re here because you want a less overwhelming way forward, the next step is looking at options beyond supplements, never in place of clinician care. Use my natural remedies page to compare clinician-backed, non-supplement options, starting with the ones you can talk through with your clinician.

→ Non-supplement options to use alongside your care (my natural remedies page)

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Sources:

[1] U.S. Food and Drug Administration (2024). FDA approves first medication for obstructive sleep apnea. https://www.fda.gov/news-events/press-announcements/fda-approves-first-medication-obstructive-sleep-apnea

[2] European Medicines Agency (2024). Outcome of assessment on use of Mounjaro in treatment of obstructive sleep apnoea (EMA/576853/2024). https://www.ema.europa.eu/en/documents/medicine-qa/questions-answers-outcome-assessment-use-mounjaro-treatment-obstructive-sleep-apnoea_en.pdf

[3] Malhotra A. et al. (2024). Tirzepatide for the Treatment of Obstructive Sleep Apnea and Obesity. New England Journal of Medicine. https://www.nejm.org/doi/full/10.1056/NEJMoa2404881

[4] SynAIRgy trial investigators, study chair Strollo P.J. Jr. (2026). Phase 3 trial of aroxybutynin and atomoxetine (AD109) in obstructive sleep apnea. American Journal of Respiratory and Critical Care Medicine. https://academic.oup.com/ajrccm/advance-article/doi/10.1093/ajrccm/aamag215/8680221

[5] NeurologyLive (2026). FDA Accepts NDA for Apnimed's AD109 for the Treatment of Obstructive Sleep Apnea. https://www.neurologylive.com/view/fda-accepts-nda-apnimed-ad109-treatment-obstructive-sleep-apnea

[6] Randerath W. et al. (2025). Sultiame once per day in obstructive sleep apnoea (FLOW): a multicentre, randomised, double-blind, placebo-controlled, dose-finding, phase 2 trial. The Lancet. https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(25)01196-1/abstract

[7] Pépin J.-L. et al. (2024). Comparative efficacy, safety and benefit/risk of alerting agents for excessive daytime sleepiness in patients with obstructive sleep apnoea: a network meta-analysis. eClinicalMedicine. https://www.thelancet.com/journals/eclinm/article/PIIS2589-5370(24)00422-X/fulltext

[8] Badr M.S. et al. (2025). Treatment of central sleep apnea in adults: an American Academy of Sleep Medicine clinical practice guideline. Journal of Clinical Sleep Medicine. https://doi.org/10.5664/jcsm.11858

[9] National Center for Complementary and Integrative Health (NCCIH). Melatonin: What You Need To Know. https://www.nccih.nih.gov/health/melatonin-what-you-need-to-know

[10] National Center for Complementary and Integrative Health (NCCIH). Valerian. https://www.nccih.nih.gov/health/valerian

[11] National Center for Complementary and Integrative Health (NCCIH). Chamomile. https://www.nccih.nih.gov/health/chamomile

[12] National Center for Complementary and Integrative Health (NCCIH). Ashwagandha. https://www.nccih.nih.gov/health/ashwagandha

[13] U.S. Food and Drug Administration (2020). Review of the published literature pertaining to the safety of kava for use in conventional foods. https://www.fda.gov/media/169556/download

[14] U.S. Food and Drug Administration (2022). FDA 101: Dietary Supplements. https://www.fda.gov/consumers/consumer-updates/fda-101-dietary-supplements

[15] U.S. Food and Drug Administration (2024). Dietary Supplements. https://www.fda.gov/food/dietary-supplements

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