Natrol Melatonin 5 mg Fast Dissolve Strawberry Flavor

Our assessment

The evidence shows that while calcium is essential for bone health, the specific product you asked about — Natrol Melatonin 5 mg Fast Dissolve Strawberry Flavor — contains melatonin, not calcium. Data for the ingredient calcium indicates it supports bone mineralization and neuromuscular relaxation [NIH ODS]. For the melatonin product itself, data on its specific benefits is not available from the provided information, so we cannot make a direct assessment of its effectiveness.

How it works

Think of calcium as a structural building block for your skeleton and a signaling molecule for your muscles and nerves. It supports bone density through mineralization and helps your muscles relax and nerves transmit signals properly [NIH ODS]. Please note that the provided data does not describe how melatonin in the Natrol product works.

Safety profile

The FDA has received a total of 592,059 adverse event reports across all supplements, though the number specific to this Natrol melatonin product is not available. For the ingredient calcium, side effects from high intakes include constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Calcium can also reduce the absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine [NIH ODS].

Our recommendation

Because the provided data does not cover melatonin, we cannot recommend this specific Natrol product. For calcium, start with food sources first and only supplement if your diet falls short. If you take calcium, be aware of the potential medication interactions and do not exceed the upper limit without medical guidance [NIH ODS]. For melatonin, data is not available from the provided information to make a recommendation.

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