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Melatonin Extended Release 2.5 mg

Kirkman
4.7
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(209 ratings)
Melatonin 2.5 mg
Product Image
Score82
A moderate-dose extended-release tablet suited to overnight sleep maintenance. It costs more than basic melatonin but provides a meaningful delivery advantage.
How scoring works
Quantity:150 Tablet(s) • (150 servings)
Goals:
Sleep Support

Score 82

A moderate-dose extended-release tablet suited to overnight sleep maintenance. It costs more than basic melatonin but provides a meaningful delivery advantage.
How scoring works

Also available as

2 options
1mg • 100 servings Melatonin 1 mg • 100 Tablet(s) • 100 servings $14.50 ($0.14 per serving) 3mg • 150 servings Melatonin 3 mg • 150 Tablet(s) • 150 servings $33.00 ($0.22 per serving)
$41.50($0.27 per serving)
Pure Formulas
$ 43.50
iHerb
$ 43.50
Walmart
$ 41.50
Report prices

Analysis

Extended release can maintain melatonin exposure later into the night, making the tablet relevant to repeated waking. The 2.5 mg amount is moderate and clearly disclosed.

The formula is simple, with calcium carbonate serving as a secondary ingredient rather than a meaningful sleep active. A single intact tablet avoids the uneven dosing concern created by split servings.

Release technology provides a functional reason for the premium over basic immediate-release products. Users who only struggle with falling asleep may not need that feature, and sensitive people should watch for morning grogginess.

Who is it for
  • Adults with nighttime awakenings
  • Users seeking a moderate melatonin amount
  • People who prefer one intact tablet
Best for
  • Sleep maintenance
  • Combined onset and overnight support
  • Users who value extended delivery

Pros

  • Extended-release design
  • Clearly disclosed 2.5 mg amount
  • Single-tablet serving

Cons

  • Higher cost than basic immediate-release formulas
  • May be unnecessary for onset-only needs
  • Calcium adds little to the sleep purpose

Warnings

  • Extended melatonin delivery may contribute to morning grogginess or vivid dreams
  • Do not crush or chew the tablet unless the label allows it
  • Avoid driving until next-day effects are known

Nutrient quality

92 Highest impact

The practical melatonin amount is well aligned with sleep support. Extended release is well suited to sleep-maintenance needs.

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Ingredient transparency

85 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

86 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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Report analysis

Goals

Sleep Support
Sleep Support
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality
Melatonin · 2.5 mg

Melatonin directly supports circadian timing and may shorten sleep onset at the 2.5 mg amount. Extended release may also help maintain melatonin exposure through the night.

The tablet clearly discloses a single active with no proprietary blend. Morning grogginess or vivid dreams can still occur in sensitive users.

Study evidence
Melatonin Supportive 181 studies

Ingredients

IngredientAmount per serving
Calcium (Calcium Carbonate)
 132 mg
Melatonin
2.5 mg
Gluten Free Adults 18–50 Dairy Free Children 4+
Report overview
Melatonin · 2.5 mg OverallScore68
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value

Extended release supports sleep maintenance, although the hard tablet may act more slowly at bedtime. A single tablet clearly provides 2.5 mg within the physiological range. Cost is moderately above the collection median, and 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.
86 Performance

Melatonin 1.0 mg Peppermint Flavor

Source Naturals Sleep Science
The 1 mg amount is well aligned with low-dose sleep support; its dose and delivery offer a clearer option 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.
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

Melatonin 1.0 mg Orange Flavor

Source Naturals Sleep Science
The 1 mg amount is well aligned with low-dose sleep support; the lower serving cost improves economy 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.
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.
87 Value

Melatonin 1 mg

Swanson Premium Brand
Melatonin directly supports sleep timing, and the low 1 mg melatonin amount is fully disclosed; the quality-to-cost balance is favorable when the original already offers a practical melatonin amount. The capsule provides straightforward immediate-release delivery; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
87 Value

Melatonin 1 mg

Spring Valley
A conservative melatonin amount offers a physiologically aligned option with very low serving cost; the quality-to-cost balance is favorable when the original already offers a practical melatonin amount. The standard tablet is easy to measure but lacks rapid or sustained release; Melatonin may cause next-day drowsiness, and combining it with alcohol or other sedatives can increase impairment.
Report alternatives

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. Exogenous melatonin as a treatment for secondary sleep disorders: A systematic review and meta-analysis.
    Li T; Jiang S; Han M; Yang Z; Lv J; Deng C; Reiter RJ; Yang Y · Frontiers in neuroendocrinology · 2019
    Meta-analysis205 participants7 studies pooledSleep 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