Nature Made Melatonin 5 mg

Our assessment

The evidence shows that melatonin can be a helpful short-term aid for sleep, but we need to be clear about the data. Nature Made Melatonin 5 mg is a common dose, yet the data provided does not include specific studies or safety details for this exact product. The only ingredient data available is for calcium, not melatonin. Because of this, our assessment is limited: we cannot confirm the efficacy or safety of this specific product based on the data you have supplied. Data not available for melatonin-specific studies or side effects from this product.

How it works

While we lack specific data on melatonin from your provided information, we can explain how the mineral calcium, listed in your data, works. Calcium acts as a master regulator for your body's structure and signals. It supports bone mineralization and density, and also plays a role in neuromuscular relaxation and nerve signaling [NIH ODS]. For a product labeled as melatonin, we would expect a different mechanism—typically, melatonin helps regulate your body's sleep-wake cycle—but this data is not available here.

Safety profile

The safety information you provided pertains to calcium, not melatonin. For calcium, high intakes can lead to serious risks. High levels 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]. Some research also suggests high calcium intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. The FDA has received a total of 592,059 adverse event reports across all supplements, but no specific report count is available for this product [FDA data]. For melatonin specifically, side effects are data not available.

Our recommendation

Based on the data provided, we cannot recommend Nature Made Melatonin 5 mg with confidence. The safety and efficacy data is missing for the active ingredient. If you are considering a melatonin supplement, we advise you to consult with your healthcare provider, as calcium supplements can reduce the absorption of medications like bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Without specific data on this product, our clear recommendation is to seek a supplement with available safety and study 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