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Melatonin 3 mg

NaturesPlus
4.7
★ ★ ★ ★ ★
(336 ratings)
Melatonin 3 mg
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Score83
A transparent 3 mg tablet with good value for sleep-onset use. Its standard format provides no special help for overnight waking.
How scoring works
Quantity:90 Tablet(s) • (90 servings)
Goals:
Sleep Support

Score 83

A transparent 3 mg tablet with good value for sleep-onset use. Its standard format provides no special help for overnight waking.
How scoring works

Also available as

3 options
1.00mg • 90 Tablet(s) servings Melatonin 1 mg • 90 Tablet(s) • 90 servings $6.33 ($0.07 per serving) 5.00mg • 90 Tablet(s) servings Melatonin 5 mg • 90 Tablet(s) • 90 servings $9.73 ($0.10 per serving) 20.00mg • 90 Tablet(s) servings Melatonin 20 mg • 90 Tablet(s) • 90 servings $18.66 ($0.20 per serving)
$8.46($0.09 per serving)
iHerb
$ 8.46
Pure Formulas
$ 8.46
Vitacost
$ 8.77
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Analysis

Melatonin at 3 mg is well aligned with circadian timing and falling asleep. The amount is moderate, though some sensitive users may need less.

The single-ingredient label avoids hidden blends and keeps the formula easy to assess. A hard immediate-release tablet may act less quickly than a lozenge and does not support melatonin exposure through the night.

Low cost and a one-tablet serving make it convenient for established users. Morning grogginess, vivid dreams, or headache should still guide whether the amount is appropriate.

Who is it for
  • Adults comfortable with 3 mg melatonin
  • Value-conscious users
  • People with sleep-onset difficulty
Best for
  • Circadian timing
  • Falling asleep
  • Simple single-ingredient routines

Pros

  • Clearly disclosed 3 mg amount
  • Good qualitative value
  • One-tablet serving

Cons

  • No sustained-release feature
  • Hard tablet may have slower onset than dissolving formats
  • May be stronger than necessary for sensitive users

Warnings

  • Melatonin may cause morning grogginess, vivid dreams, or headache
  • Avoid alertness-sensitive work until response is known
  • Consider a lower amount if sensitive to melatonin

Nutrient quality

86 Highest impact

The practical melatonin amount is well aligned with sleep support. Basic tablet delivery adds no specialized onset or maintenance support.

.

Ingredient transparency

82 Highest impact

Active amounts and the basic serving format are clear without hidden blends. Full directions, source purity, and inactive ingredients remain incomplete.

.

Customer satisfaction

65 High impact

The supplied aggregate satisfaction signal is favorable and has some support from its response volume. Specific experience details are absent, so complaint patterns and purpose fit cannot be confirmed.

.

Value for money

98 Highest impact

The dose, format, and serving value make the product competitively positioned. Only incomplete purity or excipient detail limits the comparison.

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Goals

Sleep Support
Sleep Support
Impact
Highest effect
A+ Goal FitA- Strength of SupportB- CoverageA+ Formula Quality
Melatonin · 3 mg

A clearly disclosed moderate melatonin dose is closely aligned with sleep onset and circadian timing. Melatonin has strong human evidence for these specific uses.

The focused formula avoids stimulants and unnecessary supporting ingredients. Its hard tablet may act less quickly than rapid-release formats and provides no sustained-release support for sleep maintenance.

Study evidence
Melatonin Supportive 181 studies

Ingredients

IngredientAmount per serving
Melatonin
3 mg
Gluten Free Adults 18–50 Vegan Dairy Free Women No Allergies Vegetarian
Report overview
Melatonin · 3 mg OverallScore65
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA- Value

The hard tablet may act more slowly and provides no sustained-release support. A single tablet clearly supplies 3 mg within the physiological range. Low serving cost offers good value, though no independent purity certification is disclosed.

View ingredientView products
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82 Performance

Melatonin 3 mg

NOW
Melatonin directly supports sleep timing, and the moderate 3 mg melatonin amount is fully disclosed; its dose and delivery offer a clearer option when the original already offers a practical melatonin amount. The liquid or dissolving delivery may support prompt use around bedtime; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
85 Performance

Melatonin Lozenges 3 mg

Life Extension
The melatonin amount is well aligned with practical sleep support without being unnecessarily aggressive; its dose and delivery offer a clearer option when the original already offers a practical melatonin amount. The focused formula provides a straightforward option for sleep onset; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
80 Performance

Melatonin 3 mg

Nature Made
A modest melatonin amount provides well-balanced routine sleep support; its dose and delivery offer a clearer option when the original already offers a practical melatonin amount. Basic tablet delivery and a low-value calcium addition are the main limitations; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
87 Budget

Melatonin 3 mg

NOW
A practical melatonin amount in a simple capsule offers focused sleep-onset support and a long supply; the lower serving cost improves economy when the original already offers a practical melatonin amount. Conventional release does not cover overnight maintenance, but the exceptionally low serving cost is compelling; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
82 Budget

Melatonin 3 mg

21st Century
A modest melatonin amount provides well-balanced routine sleep support; the lower serving cost improves economy when the original already offers a practical melatonin amount. Basic tablet delivery and a low-value calcium addition are the main limitations; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
90 Budget

Fast-Dissolve Melatonin 3 mg Artificial Strawberry Flavor

Spring Valley
A physiologically aligned amount and fast-dissolve delivery create a strong sleep-onset formula; the lower serving cost improves economy when the original already offers a practical melatonin amount. The very low serving cost is compelling, although no sustained release supports sleep maintenance; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
85 Value

Melatonin 3 mg

NOW
Melatonin directly supports sleep timing, and the moderate 3 mg melatonin amount is fully disclosed; the quality-to-cost balance is favorable when the original already offers a practical melatonin amount. The liquid or dissolving delivery may support prompt use around bedtime; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
88 Value

Melatonin 3 mg Fast Dissolve Strawberry Natural Flavor

Natrol
The melatonin amount fits a practical sleep-support range; the quality-to-cost balance is favorable when the original already offers a practical melatonin amount. Fast-dissolve delivery supports sleep initiation without overnight release; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
90 Value

Melatonin 1.0 mg Orange Flavor

Source Naturals Sleep Science
The 1 mg amount is well aligned with low-dose sleep support; the quality-to-cost balance is favorable when the original already offers a practical melatonin amount. The dissolving format may support quicker onset but not overnight release; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Meta-analysis: melatonin for the treatment of primary sleep disorders.
    Ferracioli-Oda E; Qawasmi A; Bloch MH · PloS one · 2013
    Meta-analysis1,683 participants19 studies pooledSleep Support forMelatonin
  2. Efficacy of melatonin with behavioural sleep-wake scheduling for delayed sleep-wake phase disorder: A double-blind, randomised clinical trial.
    Sletten TL; Magee M; Murray JM; Gordon CJ; Lovato N; Kennaway DJ; Gwini SM; Bartlett DJ; Lockley SW; Lack LC; Grunstein RR; Rajaratnam SMW; Delayed Sleep on Melatonin (DelSoM) Study Group · PLoS medicine · 2019
    Randomized trial116 participantsSleep Support forMelatonin
  3. Melatonin treatment for age-related insomnia.
    Zhdanova IV; Wurtman RJ; Regan MM; Taylor JA; Shi JP; Leclair OU · The Journal of clinical endocrinology and metabolism · 2001
    Randomized trial30 participantsSleep Support forMelatonin
  4. The Effectiveness of Melatonin for Sleep Disturbances in Parkinson' Disease: Systematic Review and Meta-Analysis.
    Yousef O; Abouelmagd ME; Khaddam H; Shbani A; Yousef R; Meshref M; Hanafi I · Journal of sleep research · 2026
    Meta-analysis409 participants8 studies pooledSleep Support forMelatonin
  5. Nightly treatment of primary insomnia with prolonged release melatonin for 6 months: a randomized placebo controlled trial on age and endogenous melatonin as predictors of efficacy and safety.
    Wade AG; Ford I; Crawford G; McConnachie A; Nir T; Laudon M; Zisapel N · BMC medicine · 2010
    Randomized trial791 participantsSleep Support forMelatonin
  6. Effects of exogenous melatonin on sleep: a meta-analysis.
    Brzezinski A; Vangel MG; Wurtman RJ; Norrie G; Zhdanova I; Ben-Shushan A; Ford I · Sleep medicine reviews · 2005
    Meta-analysis284 participants8 studies pooledSleep Support forMelatonin