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Melatonin 3 mg

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4.7
★ ★ ★ ★ ★
(62364 ratings)
Melatonin 3 mg
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Score84
3 mg of melatonin is a solid single-ingredient option with strong value. Its main trade-off is the low dose, which may be either convenient or restrictive depending on the intended routine.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
Sleep Support
General Health
Immunity

Score 84

3 mg of melatonin is a solid single-ingredient option with strong value. Its main trade-off is the low dose, which may be either convenient or restrictive depending on the intended routine.
How scoring works

Also available as

6 options
180 servings Melatonin 3 mg • 180 Capsule(s) • 180 servings $8.70 ($0.04 per serving) 5.00mg • 60 Capsule(s) servings Melatonin 5 mg • 60 Capsule(s) • 60 servings $3.98 ($0.06 per serving) 5.00mg • 180 Capsule(s) servings Melatonin 5 mg • 180 Capsule(s) • 180 servings $11.60 ($0.06 per serving) 10.00mg • 100 Capsule(s) servings Melatonin 10 mg • 100 Capsule(s) • 100 servings $7.00 ($0.07 per serving) 5.00mg • 120 Tablet(s) servings Melatonin 5 mg • 120 Tablet(s) • 120 servings $8.70 ($0.07 per serving) 20.00mg • 90 Capsule(s) servings Melatonin 20 mg • 90 Capsule(s) • 90 servings $14.35 ($0.15 per serving)
$3.62($0.06 per serving)
iHerb
$ 4.27
Daily Vita
$ 4.10
Vitacost
$ 4.07
Amazon
$ 3.62
Report prices

Analysis

The 3 mg serving provides melatonin in capsule(s), giving a clear and focused option. The amount is best suited to people looking for a low intake rather than a broad multi-ingredient formula.

The amount is stated, but the supplied information leaves some formulation detail unspecified. Value is favorable for the supplied amount and serving count, and the simple formula makes comparison with other CoQ10 products easier.

The strongest practical fit is sleep support, with related assessments also supporting sleep-timing routines. The main decision is whether 3 mg and the capsule(s) format match the user's preferred routine and budget.

Who is it for
  • Adults seeking a low-dose Melatonin supplement
  • People who prefer capsule(s) for melatonin
  • Users focused on sleep support
Best for
  • Sleep Support support
  • General Health support
  • Immunity support

Pros

  • Clearly stated 3 mg amount
  • Focused melatonin formula
  • Serving amount is easy to identify
  • Favorable value for the supplied quantity

Cons

  • 3 mg may require multiple servings for higher-intake routines
  • Capsule(s) may not suit every user's format preference
  • Single-active formula provides no complementary nutrients

Warnings

  • Melatonin can cause next-day drowsiness; avoid driving or other alertness-dependent tasks if that effect occurs.
  • Combining melatonin with alcohol or other sedating products can increase drowsiness.

Nutrient quality

90 Highest impact

The capsule offers conventional release without a rapid or sustained-delivery feature. The melatonin amount is well aligned with common sleep-onset use.

Ingredient transparency

79 High impact

The melatonin amount and any listed active companions are specifically disclosed. Non-active ingredients and flavoring or tablet excipients are not provided.

Customer satisfaction

73 High impact

The supplied average rating is very strong. The large rating sample provides strong statistical confidence.

Value for money

96 Highest impact

Focused dosing provides good quality despite basic release design. The very low serving cost provides excellent value.

Report analysis

Goals

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

Melatonin directly regulates circadian timing and is well matched to difficulty falling asleep or schedule shifts. The amount is commonly used for sleep onset but is less conservative than a low physiological serving.

The vegetable capsule clearly states the dose but offers no rapid or sustained release. Melatonin can impair alertness after use, so taking this serving before driving or another alertness-dependent task creates a practical safety risk.

Study evidence
Melatonin Supportive 181 studies
General Health
General Health
Impact
High effect
B- Goal FitA- Strength of SupportD+ CoverageA Formula Quality

The melatonin amount is well suited to occasional circadian and sleep-onset support. Better sleep timing can aid daily well-being, but the formula does not fill broad nutritional gaps.

One capsule clearly provides the full amount. Immediate-release delivery may help with falling asleep without specifically supporting sleep maintenance.

Study evidence
Melatonin Supportive 69 studies
Immunity
Immunity
Impact
Moderate effect
D Goal FitB Strength of SupportD- CoverageA- Formula Quality

Melatonin may support immune resilience indirectly by promoting restorative sleep and helping regulate oxidative stress. Its immune role is situational and less direct than the contribution from vitamin D, zinc, or vitamin C.

The 3 mg amount is clearly disclosed and well aligned with sleep use, but the standard capsule provides no specialized release feature. It can cause drowsiness, so users should not drive or operate machinery after taking it.

Study evidence
Melatonin Supportive 10 studies

Ingredients

IngredientAmount per serving
Melatonin
3 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Melatonin · 3 mg OverallScore72
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The capsule offers moderate release speed but no stated overnight-release support. The dose aligns well with physiological sleep signaling. The very low serving cost offers strong value.

View ingredientView products
Loading alternative details
88 Performance

Melatonin 1.0 mg Orange Flavor

Source Naturals Sleep Science
<p>It improves the ingredient-quality case with a conservative 1 mg melatonin amount and a dissolving format. Compared with Melatonin 3 mg, the lower amount is less aggressive and may reduce the chance of vivid dreams or next-morning grogginess for sensitive users.</p>
86 Performance

Melatonin 1 mg Fast Dissolve Strawberry Natural Flavor

Natrol
<p>It improves the ingredient-quality case with a conservative 1 mg melatonin amount and a dissolving format. Compared with Melatonin 3 mg, the lower amount is less aggressive and may reduce the chance of vivid dreams or next-morning grogginess for sensitive users.</p>
87 Performance

Melatonin Lozenges 3 mg

Life Extension
<p>It improves the ingredient-quality case with a practical 3 mg melatonin amount and a dissolving lozenge. Compared with Melatonin 3 mg, the amount is equally direct for sleep timing, with the main difference coming from delivery format and value.</p>
87 Budget

Melatonin 1 mg

Nature's Bounty
<p>It lowers recurring cost while providing a conservative 1 mg melatonin amount through a straightforward immediate-release format. Compared with Melatonin 3 mg, the lower amount is less aggressive and may reduce the chance of vivid dreams or next-morning grogginess for sensitive users.</p>
84 Budget

Melatonin 1 mg

Spring Valley
<p>It lowers recurring cost while providing a conservative 1 mg melatonin amount through a straightforward immediate-release format. Compared with Melatonin 3 mg, the lower amount is less aggressive and may reduce the chance of vivid dreams or next-morning grogginess for sensitive users.</p>
83 Budget

Melatonin 3 mg

Nature Made
<p>It lowers recurring cost while providing a practical 3 mg melatonin amount through a straightforward immediate-release format. Compared with Melatonin 3 mg, the amount is equally direct for sleep timing, with the main difference coming from delivery format and value.</p>
88 Value

Melatonin 1.0 mg Peppermint Flavor

Source Naturals Sleep Science
<p>It balances strong serving value with a conservative 1 mg melatonin amount and a dissolving format. Compared with Melatonin 3 mg, the lower amount is less aggressive and may reduce the chance of vivid dreams or next-morning grogginess for sensitive users.</p>
86 Value

Fast-Dissolve Melatonin 3 mg Artificial Strawberry Flavor

Spring Valley
<p>It balances strong serving value with a practical 3 mg melatonin amount and a dissolving format. Compared with Melatonin 3 mg, the amount is equally direct for sleep timing, with the main difference coming from delivery format and value.</p>
86 Value

Melatonin Lozenge 2.5 mg

Nature's Way
<p>It balances strong serving value with a practical 2.5 mg melatonin amount and a dissolving lozenge. Compared with Melatonin 3 mg, the lower amount is less aggressive and may reduce the chance of vivid dreams or next-morning grogginess for sensitive users.</p>
Report alternatives

Sources

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

  1. Exogenous melatonin boosts vaccine-induced immunity in individuals with high pre-existing influenza immunity.
    Oda K; Danko J; Villasante E; Bergmann-Leitner E; Lee R; Wijayalath W · Frontiers in immunology · 2025
    Randomized trialImmunity forMelatonin
  2. Mechanisms and clinical evidence to support melatonin's use in severe COVID-19 patients to lower mortality.
    Tan DX; Reiter RJ · Life sciences · 2022
    Narrative review19 participantsImmunity forMelatonin
  3. Influenza vaccine response is predicted by chronotype and differentially associated with pre- and post-vaccination sleep.
    Harrison EM; Lee RU; Porter CK; Isidean SD; Easterling AP; White L; Boulifard DA; DeTizio K; Liang Z; Sedegah M; Danko J; Glickman GL · Brain, behavior, & immunity - health · 2026
    Randomized trialImmunity forMelatonin
  4. A randomized clinical trial of the impact of melatonin on influenza vaccine: Outcomes from the melatonin and vaccine response immunity and chronobiology study (MAVRICS).
    Lee RU; Watson NL; Glickman GL; White L; Isidean SD; Porter CK; Hollis-Perry M; Walther SR; Maiolatesi S; Sedegah M; Ganeshan H; Huang J; Boulifard DA; Ewing D; Sundaram AK; Harrison EM; DeTizio K; Belmonte M; Belmonte A; Inoue S; Easterling A; Cooper ES; Danko J · Human vaccines & immunotherapeutics · 2024
    Randomized trial108 participantsImmunity forMelatonin
  5. THE EFFECT OF MELATONIN ON THE SERUM LEVEL OF INTERLEUKIN 31 IN HERPESVIRUS SKIN DISEASES ON THE BACKGROUND OF HIV.
    Dorosh D; Liadova T; Popov M; Volobuieva O; Pavlikova K; Tsivenko O; Chernuskiy V; Hrek I; Kushnir V; Volobuiev D · Georgian medical news · 2024
    Non-randomized trial40 participantsImmunity forMelatonin
  6. Sleep, Dietary Melatonin Supplementation, and COVID-19.
    Gasmi A; Semenova Y; Noor S; Benahmed AG; Bjørklund G · Current medicinal chemistry · 2024
    Narrative reviewImmunity forMelatonin
  7. 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
  8. 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
  9. 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
  10. Efficacy on sleep parameters and tolerability of melatonin in individuals with sleep or mental disorders: A systematic review and meta-analysis.
    Salanitro M; Wrigley T; Ghabra H; de Haan E; Hill CM; Solmi M; Cortese S · Neuroscience and biobehavioral reviews · 2022
    Meta-analysis1,998 participants34 studies pooledSleep Support forMelatonin
  11. Effects of melatonin on postoperative sleep quality: a systematic review, meta-analysis, and trial sequential analysis.
    Tsukinaga A; Mihara T; Takeshima T; Tomita M; Goto T · Canadian journal of anaesthesia = Journal canadien d'anesthesie · 2023
    Meta-analysis516 participants8 studies pooledSleep Support forMelatonin
  12. Unintended consequences: college students' melatonin usage, sleep disturbance, and depressive symptoms.
    Peltz JS; Rogge R · Sleep and biological rhythms · 2025
    Cohort study331 participantsSleep Support forMelatonin
  13. Melatonin for sleep and cognitive outcomes in older adults with cognitive impairment: a meta-analysis of randomised controlled trials.
    Mdluli NT; Banda KJ; Chang YC · Age and ageing · 2025
    Meta-analysis516 participants10 studies pooledBrain Health forMelatonin
  14. Efficacy and Safety of Melatonin in Migraine Prophylaxis: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Abouelmagd ME; Aldemerdash MA; Khatatbeh AA; Osman ASA; Abbas A; Allam S; AlEdani EM; Aldemerdash A; Monteith TS · Current pain and headache reports · 2026
    Meta-analysis788 participants9 studies pooledBrain Health forMelatonin
  15. Add-on prolonged-release melatonin for cognitive function and sleep in mild to moderate Alzheimer's disease: a 6-month, randomized, placebo-controlled, multicenter trial.
    Wade AG; Farmer M; Harari G; Fund N; Laudon M; Nir T; Frydman-Marom A; Zisapel N · Clinical interventions in aging · 2015
    Randomized trial80 participantsBrain Health forMelatonin
  16. Melatonin supplementation reduces delirium incidence in critically ill patients: a systematic review and meta-analysis.
    Wu X; Hu P; Wu H; Zhang K; Ying J · Frontiers in pharmacology · 2026
    Meta-analysis3,706 participants22 studies pooledBrain Health forMelatonin
  17. Melatonin for women in pregnancy for neuroprotection of the fetus.
    Wilkinson D; Shepherd E; Wallace EM · The Cochrane database of systematic reviews · 2016
    Systematic reviewBrain Health forMelatonin
  18. Association between circadian rhythm disturbances and cognitive decline in the elderly: a systematic review.
    Lopes LG; Oliveira AS; Fingergut CC; Brito GNE; Gonzalez JVP; Donato KO; Cruz MME; Salles C · Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026
    Systematic review5,731 participants10 studies pooledBrain Health forMelatonin
  19. Melatonin for preventing and treating jet lag.
    Herxheimer A; Petrie KJ · The Cochrane database of systematic reviews · 2001
    Systematic review10 studies pooledGeneral Health forMelatonin
  20. Pediatric Prolonged-Release Melatonin for Sleep in Children with Autism Spectrum Disorder: Impact on Child Behavior and Caregiver's Quality of Life.
    Schroder CM; Malow BA; Maras A; Melmed RD; Findling RL; Breddy J; Nir T; Shahmoon S; Zisapel N; Gringras P · Journal of autism and developmental disorders · 2019
    Randomized trial125 participantsGeneral Health forMelatonin
  21. Effect of melatonin supplementation on sleep quality: a systematic review and meta-analysis of randomized controlled trials.
    Fatemeh G; Sajjad M; Niloufar R; Neda S; Leila S; Khadijeh M · Journal of neurology · 2022
    Meta-analysis23 studies pooledGeneral Health forMelatonin
  22. Efficacy of melatonin for chronic insomnia: Systematic reviews and meta-analyses.
    Choi K; Lee YJ; Park S; Je NK; Suh HS · Sleep medicine reviews · 2022
    Meta-analysis24 studies pooledGeneral Health forMelatonin
  23. Effectiveness of melatonin for the treatment of nocturia: a randomized controlled trial.
    Leerasiri P; Pariyaeksut P; Hengrasmee P; Asumpinwong C · International urogynecology journal · 2023
    Randomized trial60 participantsGeneral Health forMelatonin
  24. Evaluation of melatonin effectiveness in the adjuvant treatment of ulcerative colitis.
    Chojnacki C; Wisniewska-Jarosinska M; Walecka-Kapica E; Klupinska G; Jaworek J; Chojnacki J · Journal of physiology and pharmacology : an official journal of the Polish Physiological Society · 2012
    Randomized trial60 participantsImmunity forMelatonin
  25. Pineal-opioid system interactions in the control of immunoinflammatory responses.
    Lissoni P; Barni S; Tancini G; Fossati V; Frigerio F · Annals of the New York Academy of Sciences · 1995
    Clinical trial130 participantsImmunity forMelatonin
  26. 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
  27. 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