Source Naturals Sleep Science Melatonin, 5 mg – 200 Vegan Lozenges

Customers find this melatonin supplement highly effective, noting it works better than regular melatonin and helps them fall asleep within minutes. The product receives positive feedback for its quality brand, great taste, and dissolvability under the tongue, with one customer mentioning it dissolves like a breath mint. They consider it good value for money, though opinions on side effects are mixed.