Melatonin can shorten the time of waking up and falling asleep before going to bed and improve the quality of sleep.
It has many physiological functions, such as promoting sleep, adjusting time difference, anti-aging, adjusting immunity, and anti-tumor.
The health function of melatonin involves regulating endocrine, inhibiting ovulation, protecting against encephalitis virus infection, reducing the mortality after infection, treating AIDS, and protecting the cardiovascular system.
Best melatonin product on the market
SaleBestseller No. 1 
Carlyle Melatonin 12 mg Fast Dissolve 180 Tablets | Nighttime Sleep Aid | Natural Berry Flavor | Vegetarian, Non-GMO, Gluten Free
- Fall asleep faster with our fast dissolve melatonin, an over the counter sleep aid supplement*
SaleBestseller No. 2
Natrol Melatonin Advanced Sleep Tablets with Vitamin B6, Helps You Fall Asleep Faster, Stay Asleep Longer, 2-Layer Controlled Release, 100% Drug-free, Maximum Strength, 10mg, 100 Count
- GET BETTER SLEEP – Melatonin is naturally produced by our bodies to manage sleep cycles, but its balance can be easily disrupted. Natrol Melatonin Time Release helps you fall asleep faster, stay asleep longer, and wake up feeling refreshed, plus, it’s 100% vegetarian.
SaleBestseller No. 3
NOW Supplements, Melatonin 5 mg, Free Radical Scavenger*, Healthy Sleep Cycle*, 180 Veg Capsules
- FREE RADICAL SCAVENGER*: Melatonin is a potent free radical scavenger naturally produced in the pineal gland and present in high amounts in the gastrointestinal tract.*
Bestseller No. 4
Nature Made Melatonin 3mg Tablets, 240 Count for Supporting Restful Sleep† (Packaging May Vary)
- For a limited time, you may receive either bottle while we update our packaging. Both have the same great product inside. Based on new FDA regulations, you may also notice a change in the unit of measure and/or daily value for certain products.
SaleBestseller No. 5
Zarbee's Naturals Children's Sleep with Melatonin Supplement, Natural Berry Flavored, 50 Gummies
- NATURAL ZZZs: Let Zarbee's Naturals remedy your child's occasional sleeplessness with a chewable gummy in a yummy natural berry flavor. Our formula contains melatonin, a drug-free & safe ingredient.
Last update on 2020-11-30 at 23:30 / Affiliate links / Images from Amazon Product Advertising API