Natrol Liquid Melatonin 2.5 mg, Adult Melatonin Supplement to Fall Asleep Faster and Stay Asleep Longer, Wake Up Refreshed, 8 FL OZ Berry-Flavored Liquid, Up to a 23 Day Supply

Customers find the melatonin supplement effective and appreciate that it works quickly, helping them fall asleep faster and wake up without grogginess. Moreover, the product receives positive feedback for its value, with customers noting it's great for the price and comes in a nice-sized bottle. However, the taste receives mixed reactions, with some liking it while others find it terrible. Additionally, the lid functionality is problematic, with customers reporting it's impossible to open.