Superior Source Melatonin 1 mg

Our assessment

The evidence shows that this product contains Calcium, which is a mineral primarily known for supporting bone density and neuromuscular relaxation [NIH ODS]. Based on the data provided, we cannot confirm the specific benefits of a 1 mg Melatonin product, as the ingredient list only shows “Calcium” [NIH ODS]. You should be aware that the primary active ingredient in this supplement is not what the product name suggests, based on the available data.

How it works

Calcium works as a master regulator for your skeletal system. It supports bone mineralization and density, helping to keep your bones strong. Additionally, it plays a key role in neuromuscular relaxation and nerve signaling, which is why it is essential for muscle function [NIH ODS]. If you are seeking a sleep aid, this product’s mechanism does not align with that goal based on the ingredient data provided.

Safety profile

The FDA received a total of 592,059 adverse event reports across all supplements, but data for this specific product is not available [FDA data]. For the Calcium ingredient, safety concerns include that high intakes might increase the risk of heart disease and prostate cancer. High levels of calcium in the blood and urine can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Additionally, Calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].

Our recommendation

Our assessment is that this product is not what it appears to be. Based on the data, the listed ingredient is Calcium, not Melatonin. You should check the label carefully before purchasing. If you need a sleep aid, this product will not provide the expected effects. For general bone health, the data for Calcium supports its use, but you must be mindful of the potential side effects and drug interactions listed above [NIH ODS] [FDA data].

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