Product Label

Douglas Laboratories Melatonin 1 mg

Brand: Douglas Laboratories · Form: TABLET [E0155]

Our assessment

The evidence shows that for a general audience, the benefits of this specific melatonin product are not well-supported by the data provided. We have no data on the ingredient melatonin from the provided sources, and the only ingredient with data is calcium, which is not listed in the product ingredients. Our assessment is that you should not rely on this supplement for any specific health benefit based on the available information.

How it works

Based solely on the data provided, the ingredient calcium works through bone mineralization, supporting bone density and mineral deposition, and neuromuscular relaxation, supporting muscle relaxation and nerve signaling [NIH ODS]. However, since calcium is not listed as an ingredient in this product, this mechanism does not apply to the Douglas Laboratories Melatonin 1 mg.

Safety profile

Data not available for the specific ingredients in this product. The FDA has received 592,059 total adverse event reports across all supplements, but no specific side effects or report counts are provided for melatonin or any ingredient in this product [FDA data]. For the unrelated ingredient calcium, high levels can cause constipation, nausea, weight loss, extreme tiredness, and abnormal heart rhythms [NIH ODS].

Our recommendation

Our recommendation is to proceed with caution. Since the data does not include any information on melatonin’s efficacy, dosing, or safety, we cannot recommend this product for any purpose. You should consult your healthcare provider before starting any new supplement. The data provided does not support a confident recommendation for this product [FDA data] [NIH ODS].

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandDouglas Laboratories
Serving Size
Contents60.0 Tablet(s)
Market StatusOff Market

How to Read This Label

Supplement labels contain several key sections regulated by the FDA:

  • Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
  • Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
  • % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
  • Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
  • Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.

Source: FDA Dietary Supplement Labeling Guide

Original Label

View Full DSLD Label (PDF)

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