Product Label

Nature's Bounty Maximum Strength Melatonin 10 mg

Brand: Nature's Bounty · Form: CAPSULE [E0159]

Our assessment

Our assessment: Melatonin is a popular sleep aid, but the 10 mg dose in this product is significantly higher than what most people need. The evidence shows that for many adults, a dose of 0.5 mg to 5 mg taken 30-60 minutes before bed is often sufficient to improve sleep onset. Starting with 10 mg may increase your risk of side effects without providing additional benefit.

How it works

Think of melatonin as your body's natural sleep signal. It is a hormone that your brain produces in response to darkness to help regulate your sleep-wake cycle. Taking a melatonin supplement can help signal to your body that it is time to sleep, which is particularly helpful for jet lag, shift work, or general insomnia.

Safety profile

FDA received 592,059 adverse event reports for melatonin-containing products. Common side effects at high doses can include daytime drowsiness, headaches, dizziness, and nausea. Because 10 mg is a very high dose, you may be more likely to experience morning grogginess or vivid dreams [FDA data]. Data on long-term safety at this dose is not available.

Our recommendation

We recommend starting with a much lower dose, such as 1 mg to 3 mg, taken 30 minutes before bedtime. Use the 10 mg product only if a lower dose has proven ineffective for you, and consider breaking the tablet if it is scored. If you are taking any medications, especially blood thinners or immune suppressants, consult your doctor first [NIH ODS].

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandNature's Bounty
Serving Size
Contents60.0 Capsule(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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