Product Label

CHK Nutrition Melatonin 3 mg

Brand: CHK Nutrition · Form: TABLET [E0155] On Market

Our assessment

The evidence shows that this product contains 3 mg of melatonin per serving. While melatonin is a popular supplement, data on this specific formulation is limited. The calcium content is not listed on the label, so we cannot assess its impact here. For general calcium guidance, the data confirms it supports bone mineralization and neuromuscular relaxation [NIH ODS].

How it works

Melatonin works by signaling to your body that it is time to sleep, acting as a master regulator of your circadian rhythm. For calcium, think of it as a structural support — it helps your bones stay dense and supports proper nerve and muscle function [NIH ODS].

Safety profile

FDA received 592,059 total adverse event reports across all dietary supplements, but side effect data specific to this melatonin product is not available. For calcium, high intakes may increase the risk of heart disease and prostate cancer, and can cause constipation, nausea, weight loss, and abnormal heart rhythms [NIH ODS] [FDA data].

Our recommendation

Start with a low dose of melatonin, such as 0.5 to 1 mg, and only use it short-term for sleep issues. Since this product provides 3 mg, you may want to consider a lower dose option. For calcium, the data on specific risks means you should not exceed the RDA without medical guidance [NIH ODS].

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandCHK Nutrition
Serving Size
Contents90.0 Vegetarian Tablet(s)
Market StatusOn 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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