Natrol Melatonin 5 mg Fast Dissolve Strawberry Natural Flavor is one of the most popular melatonin products available, as evidenced by its exceptionally high review count. Its fast-dissolve tablet form ensures rapid absorption, which is ideal for individuals struggling to fall asleep quickly. The 5mg dose is a widely accepted effective dose for many, striking a good balance between efficacy and minimizing potential next-day grogginess. The strawberry flavor enhances the user experience, contributing to its broad appeal. While highly effective for melatonin-responsive insomnia, it is a single-ingredient product.