Page 1 - Reviews - NaturesPlus, Melatonin, 20 mg, 90 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorised distributors.Show more
4.7
Based on 1,244 ratings
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What customers say
Customer reviews (115)
Product reviews solely reflect the views and opinions expressed by the contributors and not those of iHerb. iHerb does not verify or endorse any claims made in these reviews. Statements regarding food supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
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English (UK)
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iHerb Customer
Silver
Posted on Nov 17, 2025
United States
135
0
0
7
High dose
Verified Purchase
Good quality supplement. As always, product arrived quickly. No complaints and helps with sleep.
Auto-translated from English
iHerbCustomer
Posted on Feb 25, 2026
Kazakhstan
13
0
0
4
A useful purchase!
Verified Purchase
I've said goodbye to insomnia! At 9 PM, I take a third of a capsule of this Melatonin and by 10 PM, I'm asleep! The quality is beyond reproach! ❤️
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Nora
Gold
Posted on Sep 6, 2026
Saudi Arabia
300
1
0
30
Distinguished
Verified Purchase
An appropriate dose for insomnia helps induce sleep and leaves no residue in the morning; an appropriate amount
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Ilana
Silver
Posted on May 3, 2026
Israel
270
0
6
121
OK
Verified Purchase
I sleep much better and more consistently with the melatonin supplement. I recommend it to anyone who needs it.
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iHerb Customer
Posted on Apr 13, 2026
Saudi Arabia
91
0
0
3
Verified Purchase
🔍 What is this product? Melatonin Supplement (Natural Sleep Hormone) 20 mg Dose → Considered very high. 90 tablets (3-month supply). Helps: Fall asleep faster, improve sleep quality, reduce nighttime awakenings. ⭐ Benefits: Regulates the biological clock (sleep/wake cycle). Useful for: Insomnia, jet lag (time difference). Helps with deeper sleep and better awakenings. ⚠️ Important Point (Very Important) ❗ A 20 mg dose is very high. Most people only need: 0.5-5 mg. Up to 10 mg is considered strong. 👉 This product: is only suitable for severe cases or after trying lower doses. Not suitable for beginners at all. 💊 How to Use: One tablet 30 minutes before bedtime, but it's best to start with half a tablet or less (if you can divide it). ⚠️ Warnings: Causes strong drowsiness. Do not use: for pregnant or breastfeeding women, or those under 18 years of age. Do not use for extended periods without a break. Consult a doctor if you have: high blood pressure, depression, or chronic illnesses. 🧠 My Honest Review ✔️ Very strong and effective for deep sleep ✔️ Suitable for those suffering from severe insomnia ❗ However: The dosage is excessive for most people. May cause: morning drowsiness, dizziness, disturbing dreams 📊 Quick comparison (to help you understand) Dosage Usage 1-3 mg Starter/Mild problems 5 mg Moderate 10 mg Strong 20 mg 🔥 Very strong (special cases) 💡 My advice to you if it's your first time using melatonin → Don't start with this. It's best to start with: 3 mg or 5 mg. Use 20 mg only if: You've tried the lower dose and it didn't work. If you want, I can recommend the best dosage suitable for you based on your exact problem (difficulty falling asleep/sleeping)
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D
Posted on Feb 9, 2026
Saudi Arabia
8
15
0
2
Thank you.
Verified Purchase
This is an excellent dietary supplement that helps with sleep and regulating the biological clock. I recommend it for those who need it and suffer from insomnia, anxiety, or interrupted sleep, but without overusing it. It should be used only when needed, God willing. From what I've read, it should be taken for three consecutive days only, after which it will help regulate your sleep schedule. Its effectiveness varies from person to person; it may be beneficial for some.
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iHerb Customer
Posted on Feb 2, 2026
United States
1
0
0
0
Sleep well
Verified Purchase
I had to try a higher dose of 0.90mg, I had to start here, I haven't tried it yet but I'm waiting for tonight, I suffer from insomnia.
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iHerb Customer
Posted on Oct 28, 2025
Australia
5
0
0
0
Good product for terrible sleep pattern
Verified Purchase
I wouldn’t recommend for an every night medication because is does make it hard to wake up and get going in the morning however if you’re having constant sleep issues this helps a lot.
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iHerbCustomer
Silver
Posted on Dec 21, 2025
Saudi Arabia
273
0
2
32
Verified Purchase
Peace, mercy and blessings of God be upon you. I accepted it based on the praise, and I hope it lives up to the praise.
Auto-translated from Arabic
iHerb Customer
Posted on Dec 26, 2025
Thailand
88
28
0
21
Perfect for me
Verified Purchase
30 mins before bed I remanded fast sleep. I will buy again good quality
Auto-translated from English
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