Melatonin P.R. Prolonged-Release 3 mg
Douglas Laboratories Melatonin P.R. Prolonged-Release 3 mg is a Sleep & Recovery supplement designed for sustained release. Each tablet delivers 3mg of Melatonin, a dosage frequently used in research for its potential to support sleep regulation. The product has an N+ Score of 53, resulting in an 'F' grade, indicating a below-average quality assessment from Nutrienting.com. As a single-ingredient product, it provides clear transparency regarding its active component. While the prolonged-release mechanism is a notable feature, the low N+ Score suggests that other aspects of its formulation or quality may contribute to its lower rating compared to higher-scoring melatonin products. This supplement could be considered by individuals seeking a sustained-release melatonin option.
About This Product
Melatonin P.R. Prolonged-Release 3 mg by Douglas Laboratories is a sleep & recovery supplement containing 1 active ingredients. It has earned an N+ Score of 53/100 (Grade F).
N+ Score Breakdown
Are key ingredients present at clinically effective doses based on research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- +Fully transparent label with individual ingredient amounts disclosed
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Melatonin | 3.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.



