Page 1 - Reviews - 21st Century, Melatonin, 3 mg, 90 Tablets - iHerb

Customer Ratings & Reviews

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4.8
Based on 12,877 ratings
10,848
1,315
472
134
108
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What customers say
Customers generally praise the melatonin supplement for its effectiveness in improving sleep quality and overall well-being. Many users report that taking one small 3 mg tablet before bedtime helps them fall asleep faster, stay asleep longer, and wake up without grogginess. The product is noted for its high quality, good potency, and ease of swallowing due to its small size and lack of taste. Some customers mention that it took a higher dosage to feel the effects, while others highlight its benefits in restoring sleep schedules and enhancing energy levels. Parents also find it effective for their children. Fast shipping is frequently mentioned as a positive aspect.
Review highlights
Customer reviews (12,783)
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 dietary 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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Reviews from Pakistan
Reviewer Country
English
Translated reviews
David
Posted on Jun 23, 2026
Malaysia
6
0
0
3
Right dose, fair price, and effective
Verified purchase
This melatonin is highly effective for improving sleep quality while remaining incredibly affordable. It delivers exactly the right dose to help you fall asleep naturally without any morning grogginess. Best of all, it is completely non-habit forming, so you can use it safely without worrying about addiction or dependency.
iHerbCustomer
Silver
Posted on Apr 12, 2026
United States
112
2
1
9
Great
Verified purchase
This melatonin has been a gentle and reliable addition to my bedtime routine, helping me drift off naturally without any grogginess in the morning. I appreciate that the dosage feels just right—it eases me into a restful sleep rather than knocking me out cold. I'm finally waking up feeling refreshed and ready to take on the day.
SalahEddine
Posted on Dec 10, 2024
39
18
1
30
a good sleep is needed here
Verified purchase
The 21st Century Melatonin, 3 mg is an effective supplement for promoting restful sleep and regulating the sleep-wake cycle. With a gentle 3 mg dose, it’s ideal for occasional sleeplessness, jet lag, or improving overall sleep quality. A great value for those seeking a natural way to relax and enhance their nightly rest!
iHerbCustomer
Silver
Posted on Mar 30, 2026
Australia
130
0
0
32
Just as effective as the 10 milligram
Verified purchase
I was taking quite a high dose and a few analysis suggested it might be counter-productive so I decided to drop to the three and give it a go and it seems to work just as well
Stefanrepashi
Posted on Dec 30, 2025
Ukraine
99
1
0
15
Verified purchase
Great quality product with clean ingredient sourcing. The dosage is well balanced and easy to follow. I noticed a clear benefit after a few days of use.
Fares92
Silver
Posted on Oct 14, 2023
Kuwait
206
0
15
10
Great
Verified purchase
I struggled with occasional insomnia and difficulty falling asleep. I had tried various remedies, but this Melatonin supplement has proven to be one of the most effective solutions. Taking it about 30 minutes before bedtime, I’ve experienced a noticeable improvement in my ability to fall asleep quickly and stay asleep throughout the night. What I appreciate most about this product is the precise 3 mg dosage. It’s just the right amount to help me gently drift off to sleep without causing grogginess in the morning. I wake up feeling refreshed and ready to tackle the day. If you’re someone who struggles with occasional sleeplessness or jet lag, I highly recommend giving Melatonin 3 mg a try. It’s a simple and effective solution for achieving restful nights and waking up feeling rejuvenated.
iHerb customer
Silver
Posted on Dec 2, 2025
Ukraine
119
0
0
2
Verified purchase
works really well i find that even if i try to fight my body to not sleep i still end up defeated. although i find that i tend to sleep in extra in the mornings and it’s really difficult to wake up I also feel really gross like i have had an extra nap after my normal sleep schedule
iHerb customer
Silver
Posted on Nov 29, 2025
Singapore
215
0
1
84
Verified purchase
Taking Melatonin 3 mg helps me fall asleep faster and improves my sleep quality, especially when dealing with occasional insomnia or jet lag. The lower dose is gentle and effective, supporting my natural sleep cycle without causing next-day grogginess. I appreciate that it’s non-addictive and safe for short-term use. This supplement also helps me adjust to new time zones and manage stress-related sleep issues.
iHerb customer
Posted on Nov 1, 2025
Australia
4
0
1
4
Regret its not available anymore
Verified purchase
It worked perfectly. Very good quality. Worked on me as expected, so I guess key ingredient was there and dosage was right. Perfect size tablets. Easy to swallow. Not really felt any taste Benefit is huge. I can have decent sleep with this product. Now need to search for alternatives. Regret its not available on website anymore
iHerbCustomer
Silver
Posted on Sep 28, 2025
Hong Kong
223
0
0
15
Sleep aid
Verified purchase
I take melatonin as needed if I have to wake up early the next morning. It helps ensure that I have a great quality of sleep so that I can be as productive as possible the next day. The dosage per serving size at 3mg per capsule is just right for me. 200 tablets per container is going to last me for a while.