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Melatonin 3 mg

Pure Encapsulations
4.9
★ ★ ★ ★ ★
(60 ratings)
Melatonin 3 mg
Product Image
Score81
A simple 3 mg melatonin capsule that fits sleep-onset needs and offers a long supply. The immediate-release format does little for overnight maintenance.
How scoring works
Quantity:180 Capsule(s) • (180 servings)
Goals:
Sleep Support

Score 81

A simple 3 mg melatonin capsule that fits sleep-onset needs and offers a long supply. The immediate-release format does little for overnight maintenance.
How scoring works

Also available as

7 options
0mg • 180 servings Melatonin 0.5 mg • 180 Capsule(s) • 180 servings $31.00 ($0.17 per serving) 0mg • 60 servings 0mg • 60 Capsule(s) • 60 servings $12.50 ($0.20 per serving) 3mg • 60 servings 3mg • 60 Capsule(s) • 60 servings $15.50 ($0.25 per serving) 3mg • 60 servings 3mg • 60 Capsule(s) • 60 servings $19.50 ($0.32 per serving) 3mg • 30 servings 3mg • 30 Capsule(s) • 30 servings $11.00 ($0.36 per serving) 20mg • 180 servings Melatonin 20 mg • 180 Capsule(s) • 180 servings $100.00 ($0.55 per serving) 2mg • 30 servings 2mg • 30 Liquid(s) • 30 servings $37.00 ($1.23 per serving)
$39.00($0.21 per serving)
Pure Formulas
$ 39.00
Vitacost
$ 39.00
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Analysis

Melatonin at 3 mg is directly relevant to circadian timing and falling asleep. The amount is common and easier to justify than high-dose alternatives, though some people may do well with less.

The single-capsule formula is transparent and avoids unnecessary supporting ingredients. Immediate release makes it better suited to sleep initiation than repeated nighttime waking.

A long supply and straightforward dosing support regular use when melatonin is appropriate. Sensitive users should still watch for morning grogginess, vivid dreams, or headache and adjust only with informed guidance.

Who is it for
  • Adults seeking a moderate melatonin dose
  • Users who want a single-ingredient capsule
  • People whose main issue is falling asleep
Best for
  • Circadian timing support
  • Sleep-onset difficulty
  • Users who value simple dosing

Pros

  • Clearly disclosed 3 mg amount
  • Focused single-ingredient formula
  • Long supply per bottle

Cons

  • No sustained-release support
  • May exceed the needs of very sensitive users
  • Capsule cannot be split easily for fine adjustment

Warnings

  • Melatonin may cause morning grogginess, vivid dreams, or headache
  • Avoid driving until the next-day response is known
  • Use care when exact lower-dose adjustment is needed

Nutrient quality

87 Highest impact

The practical melatonin amount is well aligned with sleep support. Standard capsule delivery is straightforward but offers no sleep-maintenance advantage.

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Ingredient transparency

81 Highest impact

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

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Customer satisfaction

62 Moderate 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.

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Value for money

89 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 FitB+ Strength of SupportC CoverageA+ Formula Quality
Melatonin · 3 mg

Melatonin directly supports circadian timing and can help with sleep onset. The 3 mg amount is common but higher than the lowest effective range for many users.

A clearly disclosed single capsule makes use straightforward. The immediate-release format is better suited to falling asleep than maintaining sleep through the night.

Study evidence
Melatonin Supportive 181 studies

Ingredients

IngredientAmount per serving
Melatonin
3 mg
Gluten Free Adults 18–50
Report overview
Melatonin · 3 mg OverallScore64
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value

The 3 mg amount sits within the range most aligned with natural circadian signaling. Capsule delivery offers standard absorption, but it does not provide sustained release. The average serving cost is reasonable for a clear single-capsule dose but includes no premium technology.

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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 has weaker delivery, dose, or value balance. 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 has weaker delivery, dose, or value balance. 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 has weaker delivery, dose, or value balance. 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 has weaker delivery, dose, or value balance. 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 has weaker delivery, dose, or value balance. 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 has weaker delivery, dose, or value balance. 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 has weaker delivery, dose, or value balance. 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 has weaker delivery, dose, or value balance. 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 has weaker delivery, dose, or value balance. 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