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

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4.8
Based on 12,820 ratings
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What customers say
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English (UK)
Translated reviews
iHerb Customer
Posted on 28/06/2026
United Kingdom
52
0
0
0
Verified Purchase
Sports Research Marine Collagen Complex, No Additives. Excellent collagen, I've used it many times. It's easy to take—I add a measuring spoon to my morning coffee. My nails have become stronger and no longer break! My skin is hydrated and firm.
Auto-translated from Russian
iHerb Customer
Silver
Posted on 10/08/2025
United Kingdom
118
0
0
9
Great
Verified Purchase
Excellent for sleep. Don’t need higher dose than 3mg. Potent antioxidant also
Auto-translated from English
iHerbCustomer
Silver
Posted on 4/07/2026
Ukraine
214
185
9
185
works
Verified Purchase
It did a good job of regulating sleep hormones, was well received by the whole family, suited everyone and helped regulate sleep, even with high cortisol.
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David
Posted on 23/06/2026
Malaysia
6
0
0
1
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.
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iHerbCustomer
Silver
Posted on 12/04/2026
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.
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iHerbCustomer
Silver
Posted on 9/04/2026
Ukraine
270
0
1
78
Verified Purchase
Melatonin 3 mg is very convenient for normalizing sleep. The tablets are easy to take, the effect is gentle, and I fall asleep faster, and my sleep is restful and without waking up. The dosage is convenient, and the packaging is designed for long-term use. I recommend it to anyone who wants to gently regulate their sleep patterns.
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Anna
Posted on 16/03/2026
Moldova
30
24
0
21
Melatonin 3 mg from 21st Century
Verified Purchase
I decided to try 21st Century Melatonin 3 mg to help normalize my sleep. Sometimes it's hard to fall asleep quickly or my sleep schedule gets out of whack, so this supplement can be a great support. The product comes in a compact plastic bottle containing 90 tablets. Each bottle lasts a long time. The tablets are small and easy to swallow with a small glass of water. I take one tablet about 30-40 minutes before bed. This gives my body enough time to gradually relax and prepare for rest. I try to take the supplement after I've finished my errands and can calmly prepare for bed. The product is gluten-free, vegan-friendly, and contains no added sugar, artificial flavors, or preservatives, indicating a high level of quality and purity. The main active ingredient is melatonin (3 mg per tablet). It also contains a small amount of calcium (94 mg). Inactive ingredients: cellulose, sodium croscarmellose, acacia, stearic acid, magnesium stearate, and silicon dioxide. The tablets are small and easy to swallow. It is important not to exceed the recommended dose and consult a doctor if necessary. This supplement helps you relax faster, fall asleep easier, and maintains better, more restful sleep. The tablets have no distinct taste or odor, making them easy to take even for those sensitive to flavors.
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iHerbCustomer
Gold
Posted on 13/12/2025
Ukraine
724
197
7
1,412
Excellent 👌
Verified Purchase
I bought melatonin for the first time. The size of the tablets is great, the price is good and the quality is good. I took it for a week. On the third day I noticed that when I wake up at night, I quickly fall asleep again. The taste is neutral. The dose is one tablet 30 minutes before bedtime. I recommend it!!!
Auto-translated from Ukrainian
iHerbCustomer
Posted on 6/06/2026
Israel
23
0
0
0
Verified Purchase
It helps with sleep, is not harmful to health, the quantity is very good, and it's the manufacturer I rely on for my vitamins.
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Alina
Silver
Posted on 2/06/2026
Ukraine
202
1
0
69
Verified Purchase
Excellent quality at an affordable price. The ingredients are pure, and the 3 mg dosage is ideal for a gentle fall asleep without feeling drowsy the next morning. The tablets are small and very easy to swallow. I highly recommend them!
Auto-translated from Russian