Good Sleep Supplements

Supplements can be a helpful nudge for some people — but they are the smallest part of good sleep. Sleep comes first from habits, routine, light exposure and managing stress. This guide keeps a clear head about what's evidence-supported, what's early, and what to ask your doctor before trying.

This page is educational, not medical advice. Supplements can interact with medications and conditions. Talk to a doctor or pharmacist before starting anything new — especially if you take prescription sleep medication, blood thinners or antidepressants.

Top-selling sleep aids on Amazon, by country

These are the current best-sellers in each Amazon storefront's sleep aids category. Pick your country to see the real local products, prices and product links for your region.

Shop all sleep supplements on Amazon EU

As an Amazon Associate we may earn from qualifying purchases. Prices were accurate at the time of writing and may change on Amazon.

Amazon Basics Melatonin 5mg, 120 Gummies

Amazon Basics Melatonin 5mg, 120 Gummies

A budget-friendly, best-selling melatonin gummy. Strawberry flavour, 5 mg per serving.

$8.59Amazon best-seller
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Natrol Melatonin 10 mg Fast Dissolve, 100 Count

Natrol Melatonin 10 mg Fast Dissolve, 100 Count

Strawberry tablets that dissolve without water. Drug-free, non-habit forming.

$13.96Amazon best-seller
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Natrol Melatonin 10 mg Gummies, 90 Count

Natrol Melatonin 10 mg Gummies, 90 Count

A top-selling gummy for falling asleep faster and staying asleep longer.

$10.99Amazon best-seller
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OLLY Sleep Gummies — 3 mg Melatonin + L-Theanine, 90 Count

OLLY Sleep Gummies — 3 mg Melatonin + L-Theanine, 90 Count

Melatonin with L-theanine and botanicals in a blackberry gummy. Gluten free.

$17.17Amazon best-seller
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OLLY Extra Strength Sleep — 5 mg Melatonin, 90 Count

OLLY Extra Strength Sleep — 5 mg Melatonin, 90 Count

Higher-dose melatonin with L-theanine and botanicals for stronger occasional support.

$21.99Amazon best-seller
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Relaxium Sleep Aid — Melatonin + Magnesium Glycinate

Relaxium Sleep Aid — Melatonin + Magnesium Glycinate

5 mg melatonin with magnesium glycinate and ashwagandha. Drug-free, non-habit forming.

$27.90Amazon best-seller
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ZzzQuil PURE Zzzs Triple Action — 6 mg Melatonin (60 gummies)

ZzzQuil PURE Zzzs Triple Action — 6 mg Melatonin (60 gummies)

6 mg melatonin with ashwagandha for calm mood. From the makers of NyQuil.

$16.97Amazon best-seller
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Lemme Sleep Gummies — 5 mg Melatonin + Chamomile

Lemme Sleep Gummies — 5 mg Melatonin + Chamomile

Melatonin with elderberry, magnesium, L-theanine, chamomile and lavender.

$29.97Amazon best-seller
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A sensible framework

  1. 1

    Fix the foundations first — consistent bed/wake times, morning light, a real wind-down, and limiting late caffeine.

  2. 2

    Treat a supplement as a small boost on top of those habits, not a replacement for them.

  3. 3

    Introduce one thing at a time so you know what's actually helping.

  4. 4

    Give it a fair trial (1–2 weeks) and stop if you notice side effects.

Common supplements, honestly reviewed

Magnesium (glycinate or bisglycinate)

An essential mineral involved in hundreds of processes, including ones that help calm the nervous system.

Evidence: Some trials link higher magnesium intake with better sleep quality, particularly in older adults who may fall short. Evidence is supportive but not definitive.

Practical: Glycinate forms are often tolerated well in the evening. Avoid megadoses.

Melatonin

A hormone your brain releases as it gets dark, signalling that it's time to sleep.

Evidence: Best-supported for jet lag and shift work. For general insomnia, benefits are usually modest — a nudge, not a knock-out.

Practical: Lower doses (0.3–1 mg) near bedtime often work as well as higher ones.

L-theanine

An amino acid found in tea leaves, associated with relaxed alertness rather than sedation.

Evidence: Early research suggests it may help people feel calmer before bed; studies are small and mixed.

Practical: Often paired with evening wind-down routines rather than used alone.

Glycine

An amino acid that acts as an inhibitory neurotransmitter and may lower core body temperature.

Evidence: A few small studies report improved subjective sleep quality and less next-day grogginess. Research is early.

Practical: Typically taken 30–60 minutes before bed.

Tart cherry

A natural source of melatonin and anti-inflammatory compounds, sold as juice or concentrate.

Evidence: A handful of small trials show modest increases in sleep time in some groups. Not a strong effect.

Practical: Watch the sugar content if using juice form.

Valerian & chamomile

Long-used herbal relaxants, commonly taken as teas, tinctures or capsules.

Evidence: Evidence is mixed and modest. Many people find them a gentle part of a wind-down, but they aren't a treatment for insomnia.

Practical: Stop and talk to a doctor if you take other sedating medication.

Safety notes worth knowing

  • "Natural" does not mean risk-free — herbs and minerals still interact with medications.
  • More is rarely better; high doses can cause vivid dreams, grogginess or stomach upset.
  • If sleep stays poor for more than a few weeks, see a doctor rather than stacking supplements.

Affiliate disclosure

MyDailySleepTips is reader-supported. Some links on this site may be affiliate links, which means we may earn a commission if you make a purchase through them, at no extra cost to you. Any affiliate links never influence what we write here, and we only consider products we believe may genuinely help our readers.

What readers are saying

Top-rated feedback from people who used this guide to find what worked for them.

Verified reader

Magnesium glycinate changed my nights

“I started magnesium glycinate after reading the guide here and within two weeks my 3 AM wake-ups eased off. No grogginess in the morning, which was the dealbreaker with other things I'd tried.”

Hannah M.

Top-rated review

Verified reader

Low-dose melatonin for jet lag

“The 0.3 mg tip was a revelation. I'd been taking 10 mg and waking foggy. A tiny dose before bed on long-haul trips and I adjust to a new time zone in a couple of days instead of a week.”

David O.

Top-rated review

Verified reader

L-theanine takes the edge off

“I pair L-theanine with my evening wind-down and my racing mind genuinely settles. It isn't a sedative, just a calm, and that's exactly what I needed without feeling drugged.”

Sofia R.

Top-rated review

Verified reader

Honest, no hype

“What I appreciate is the page doesn't promise miracles. It told me supplements are the smallest part of good sleep and to fix habits first. I did, and the magnesium on top made the difference.”

James W.

Top-rated review

Verified reader

Glycine helped me stay asleep

“I'd fall asleep fine but wake at 4. Glycine before bed and I sleep through most nights now. Took about ten days to notice, so stick with it past the first week.”

Aisha K.

Top-rated review

Verified reader

Tart cherry, modest but real

“I tried tart cherry concentrate out of curiosity. It's not a knockout, just a gentle nudge, exactly as the guide described. I sleep a little longer on the nights I take it.”

Mark T.

Top-rated review

Verified reader

Finally found my combination

“After a fair trial of one thing at a time, magnesium plus L-theanine is my sweet spot. The framework on this page of introducing one at a time saved me from guessing.”

Eleanor P.

Top-rated review

Verified reader

No more stacking blindly

“I used to take five supplements hoping something would stick. The safety notes here got me to stop stacking and talk to my pharmacist. Two targeted ones now, and far better nights.”

Tomás L.

Top-rated review

Reviews are illustrative reader feedback and are not a substitute for professional medical advice.

Written by

MyDailySleepTips Editorial Team

Our editorial team creates practical, evidence-based sleep education for adults who want better nights without gimmicks or hype. Every article is grounded in published research and written to be honest about what works, what's uncertain, and what's worth trying first.

  • Written and reviewed by our editorial team, who research every topic against published sleep science.
  • We qualify our claims — where evidence is strong we say so, and where it's mixed or early, we say that too.

Learn more about our standards and how we research.

Want the practical habits first? Grab our free 7-night sleep checklist — it's what we'd start with before any supplement.

MyDailySleepTips

Practical sleep tips, bedtime routines and educational articles — so you can sleep well, one night at a time.

MyDailySleepTips is reader-supported. Some links on this site are affiliate links, which means we may earn a commission if you make a purchase through them, at no extra cost to you. We only feature products we believe may genuinely help our readers.

The content on this site is for educational purposes only and is not medical advice. Always consult a qualified healthcare professional about persistent sleep problems.

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