

🌙 Sleep Smart, Live Sharp — Your nightly reset, perfected.
Carlyle Melatonin 300 mcg offers a low-dose, vegetarian-friendly sleep supplement designed to gently regulate your sleep cycle without morning grogginess. With 365 tablets per bottle, it provides a full year of consistent, clean, and non-GMO support, backed by rigorous lab testing and a trusted brand reputation.






| ASIN | B09F3TMDHY |
| Age Range Description | Adult |
| Best Sellers Rank | #38,244 in Health & Household ( See Top 100 in Health & Household ) #397 in Herbal & Nutritional Sleep Supplements |
| Brand | Carlyle |
| Brand Name | Carlyle |
| Container Type | Bottle |
| Customer Reviews | 4.6 out of 5 stars 506 Reviews |
| Dosage Form | Tablet |
| Flavor | Unflavored |
| Is Product Expirable | Yes |
| Item Form | Tablet |
| Item Package Quantity | 1 |
| Item Weight | 1 Ounces |
| Legal Disclaimer | These statements have not been evaluated by the FDA. |
| Manufacturer | Carlyle |
| Material Features | Genetically Modified Organism (GMO) Free, Gluten Free, Vegetarian |
| Number of Items | 1 |
| Package Information | Bottle |
| Package Quantity | 1 |
| Recommended Uses For Product | Nutritional Supplement |
| Special Ingredients | Melatonin |
| UPC | 840250401093 |
| Unit Count | 365 Count |
L**.
Effective and Low Dose
It is actually kind of difficult to find this low dose melatonin, so when I found it on Amazon for a great price I jumped on it. Very effective for people that don't need the higher dosage.
A**L
Using ChatGPT directions
So I'm using ChatGPT's directions after telling it my sleep patterns. It thinks I have Delayed Sleep Phase Disorder - NOT insomnia. I don't have a problem sleeping - I have a problem sleeping at *the right time*. I will continue to sleep later and later, easily. So it told me to try taking 0.3-0.5 mg 3.5-4 hours before my intended bedtime. I saw that these pills were 0.3mg and took it that way. I get that using ChatGPT for this stuff can be "dangerous", but I'm not paying to go to go a sleep doctor and taking less than a child's dose didn't seem like a big risk. First night - knocked out immediately. ChatGPT said this is normal. Melatonin is just a sleep SIGNALER. Not a sedative. But people act like it's a sedative so they try to take larger doses. But it said after a few days it'll peter out, and it did. My body was just super tired and it took the signal and ran. Over a few days, I wasn't as tired and didn't knock out as soon as I took it. Now I take it 4 hours before bed, same time every day, and start winding my day down. No blue lights after I take it, no exercise, no stimulating activities. Use the evening as a relaxation period. That's been a difficult life adjustment but ultimately feels great. And I realized how many activities I was doing in the evening that worked against my circadian rhythm. This supplement works great, feels gentle, I don't feel groggy or anything in the morning. I feel like a plug-and-play person in the morning lol. Which is new for me. So! I typed this out in case it helps anyone else. Really glad for the dose size so I don't have to break pills in half or something. Happy dreaming.
J**.
The best melatonin supplement I have used, very consistent and affordable.
For years I had been using what turned out to be high-dose melatonin supplements. GNC has one that is 10mg and time-released. Unconventional wisdom states that such a dose is wayyyy too much! So, I decided to experiment with a much lower dose by using this brand. 300mcg offered in this brand is about 1/3 of 1mg, so it was much less than I had taken per night in the past, and way less than is in a single pill of other brands. To my surprise, this low-dose was every bit as effective at getting me to sleep! For at least 1.5 years I have taken one of these about an hour before I wish to fall asleep, and they work great every time. In fact, I think a lower dose is just plain better, because I don't wake up feeling groggy, either! If you take melatonin to fall asleep, I would urge you to try this brand as you have nothing to lose. The price is very reasonable too, and that's for a full year's supply.
J**Y
No hangover/grogginess
I was skeptical about this product. I only recently discovered the research that supports a small micro dose of melatonin for aiding sleep. This 300 mcg was the target dose I was looking for, and didn't require me to break a tablet in pieces, which was nice. I have used these pills a few dozen times with great success. I think it takes about 30 minutes to kick in. My watch tracks my sleep and I always get above a score of 93 when I use these. I feel great the next morning, too.
M**T
Tiny pills, effective, great price.
I sometimes have a problem swallowing pills and while these tablets have no coating on them, which could be an issue for some, they are very tiny so that helps. As for effectiveness, i think low dose is certainly the way to go. Prior to discovering these, I was taking whatever dosage big box stores offer, 5 mg maybe? And would always wake up with a headache and somewhat groggy feeling. So far (about 2 weeks in) I have not had that issue with this brand. They are also extremely affordable.
V**A
Fantastic product, very effective
This product has been fantastic for several months now. I bought it when another brand that worked well for me discontinued their low dose melatonin. I used to work for a natural supplement brand and I learned a lot about melatonin. Most people take too much. They try one milligram or more, think it’s not working, then take more. Less is more with melatonin. Taking too much is harmful for a couple of reasons. One, melatonin is a hormone your body produces. You want to be careful with that. Two, taking too high a dose can make you wired, the opposite effect from what you’re looking for. The expert I used to work with says no one should take more than 500 mcg (micrograms) of melatonin, so I will pass that along. Also, everyone is different. My husband takes one 300mcg tablet of this product 20 minutes before he wants to fall asleep. I take 450 mcg, 1 1/2 tablets, an hour and a half before I want to fall asleep. I’m guessing his metabolism runs faster than mine. At any rate, it might take a little experimentation to determine how much and when to take yours. I’ve tried other low dose melatonin products and they did not seem consistent. After several months using this product it is rock solid. I highly recommend.
J**N
Melts fast but grainy
Works great, love the 300 mcg dosage which lets me take 1 or 2 as needed and the affordable price, but its too grainy when I let it melt sublingually. I prefer the source naturals lozenges, they sadly don't make less than 1mg but they melt without being so grainy. To be fair these are tablets and not lozenges, so can't really blame them, but I had other tablets that I used as lozenges and they weren't so grainy.
L**G
Low Dose
Hard to find a low dose melatonin. This one is perfect.
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