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🌙 Sleep smart, live sharper — your nightly edge for unstoppable days!
Life Extension Melatonin delivers a gentle 300 mcg dose of melatonin in 100 vegetarian capsules, designed to support healthy circadian rhythms and promote restful sleep. This gluten-free, non-GMO formula also aids cellular defense and immune health, making it an ideal choice for professionals seeking scientifically validated, clean sleep support. Perfect for managing jetlag and maintaining longevity, it’s a trusted companion for a balanced, high-performance lifestyle.










| ASIN | B000X9QZZ2 |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #15,933 in Health & Household ( See Top 100 in Health & Household ) #166 in Herbal & Nutritional Sleep Supplements #1,419 in Sales & Deals |
| Brand | Life Extension |
| Brand Name | Life Extension |
| Color | Off White |
| Container Type | Bottle |
| Customer Reviews | 4.5 out of 5 stars 1,129 Reviews |
| Diet Type | Vegetarian |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Global Trade Identification Number | 00737870166818 |
| Item Dimensions | 2.18 x 2.18 x 3.66 inches |
| Item Form | Capsule |
| Item Nype Name | Melatonin |
| Item Weight | 0.08 Pounds |
| Manufacturer | Life Extension |
| Manufacturer Part Number | 01668 |
| Material Features | Non-GMO |
| Material Type Free | Gluten Free |
| Model Name | Melatonin 300 mcg, 100 vegetarian capsules |
| Model Number | 01668 |
| Number of Items | 1 |
| Primary Supplement Type | Melatonin |
| Product Benefits | Helps inhibit oxidative stress & protect against free radicals, Helps support circadian rhythms & immune function, Promotes cellular DNA health, Promotes restful sleep |
| Special Ingredients | Melatonin |
| Specific Uses For Product | Anti-Aging & Longevity, Hormone Balance, Sleep |
| Supplement Formulation | Individual Supplement |
| Total Servings Per Container | 100.0 |
| UPC | 737870166818 737870547105 |
| Unit Count | 100.0 Count |
T**N
Quality product
Finally. Melatonin that does what it is supposed to do. Great sleep.
C**S
The perfect dose!
This works so well at 2 things: 1) increasing my sleep drive close to bedtime (helping me fall asleep faster / decreasing latency) 2) not causing me to wake up halfway through the night like higher doses of melatonin do. Perfect dosage level. Pair it with L Theanine (100mg) and Phosphatidylserine (100mg) 1hr before bed and you'll boost your sleep drive and sleep better while avoiding reducing CNS activity (that may otherwise lead to greater snoring/apnea episodes in many people) as seen in some supplements like Kava or Valerian.
P**R
Its what you want if you want Melatonin
This is the right dose; low and physiologic; only company that makes this size; good for them; bought many times.
J**N
Does the job, but may cause extremely vivid dreams...
I took one of these pills before my nightly shower. After getting into bed, I was asleep in record time. Roughly 15 minutes after getting into bed, according to my smartwatch. A dramatic improvement over the 2 hours that it normally takes me. But throughout the night, I experienced VIVID dreams. Nearly life-like. It started off with a nightmare where I was beating people up for no reason..? It got so intense that I woke up in the middle of the night, but then promptly fell back asleep upon realizing that it was just a dream. After falling asleep, I promptly slipped back into the land of dreams, where I had a much more pleasant dream; cuddling with a classmate. I woke up that morning in a state of bliss. Anyways, this product really does the job. It helped me to get my sleep schedule back on track, and I had some... Interesting dreams, in the process. Highly recommend, especially if you're a lucid dreamer.
G**E
300mcg doesn't work on me
I tried 300mcg and it doesn't work on me. Then i tried 600 mcg(two pills) and it worked a little bit. So i guess optimal for me is around from 800mcg to 1,5 mg.
A**T
Best Jetlag saver!
I never had insomnia or sleep related issues and I never took melatonin on regular basis but what I always found is I get severe jetlag when I travel across opposite timezones! I tried this and it is actually the best solution for the jetlag problems if you want to get rid of that tiring jetlag faster.. I took it in the night time there and within 20 minutes, I was deep asleep and woke up at 6 am with all satisfactory and refreshing sleep.!! Highly recommended
K**E
Wonderful
Love it
D**H
Small and Mighty
Sixty percent of the time it works every time :) I think it was MIT that did a study showing 0.3 mg or 3mcg is optimal dosage. That's why I got this, and it's hard to find in stores. I take this 1-2x/week, around 1.5-2 hrs before bedtime and 12 hours before I want to get up. I feel sleepy at the right time, and alert when I wake up (not groggy). So happy with this product. Melatonin is a powerful antioxidant, and some doctors at the frontlines of coronavirus/covid recommend taking melatonin as part of temporary, whole treatment plan under supervised care. I also have melatonin in 12mg (super duper high dose) for when I get a viral infection for this reason. The last virus I contracted lasted only 4 days, taking safe amounts of vitamin c (6-9g/day) and melatonin (6-9mg/day) for the duration. I also took elderberry and zinc. So I use the 0.3mg bottle when I'm feeling a little run-down and need an immune boost and deep sleep, and it works great!
C**L
The best dose!
The best melatonin I have ever used. Improves my deep sleep, doesn't leave me feeling groggy in the morning. I've tried 3mg and 5mg and this dose is far far better.
J**N
Just right
Higher doses left me cold and groggy during the day. Still sleep like a baby with these, with no side effects.
Trustpilot
3 weeks ago
1 month ago