FYI, this same principle applies to many other dietary supplements, especially those conta

Partially SupportedUnder U.S. regulations, supplements must meet their labeled dose by expiration, but melatonin's instability requires manufacturers to add overage to ensure compliance.

Partially SupportedUnderstanding the dose variability and overage practices in melatonin supplements is crucial for achieving predictable and effective sleep optimization outcomes.

Partially SupportedA melatonin supplement labeled as 5 mg may initially contain approximately 7–8 mg due to intentional overage.

Partially SupportedDietary supplements containing vitamins, minerals, and herbal extracts are prone to degradation over time.

Partially Supported