Nutricost Melatonin (10mg) 240 Tablets, Gluten-Free, GMO-Free

Customers find the melatonin supplement effective, with one mentioning it works within 3 hours, and they appreciate its quick sleep-inducing properties and ability to block REM sleep behavior disorder. The supplement is easy to swallow and comes in a smaller size than other options. While some customers report no side effects, others experience numbness throughout their body. The supplement's duration receives mixed feedback, with some saying it lasts a long time while others express concerns about prolonged use.