Melatonin 3 mg

Melatonin 3 mg

NOW4.7 (62,679 ratings)
Format:Capsule Quantity: 180 Capsule(s) · 180 servings
Goals

Product analysis

63 out of 100

Melatonin 3 mg offers an inexpensive, focused option that may help adjust sleep timing and shorten the time it takes to fall asleep. Its usefulness depends on when it is taken and the person’s sleep pattern.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

The melatonin preparation is not described in detail. That leaves its form quality uncertain and does not establish a particular release pattern.

Ingredient Transparency63

The melatonin amount is clearly listed. Missing preparation details limit comparisons with products that specify how the ingredient is delivered.

Value For Money100

The full serving offers favorable value for melatonin. That makes it an inexpensive option when its sleep-related purpose fits the person’s needs.

Customer Satisfaction92

Customer feedback is strongly positive. A substantial number of ratings provides a broad base of customer feedback.

Product Focus74

One ingredient keeps the formula focused on sleep timing and falling asleep. Broader immune and everyday-health benefits are not established independently of a person’s sleep needs.

Format
Capsule
Container
180 Capsule(s)
Per serving
$0.04
Customer rating
4.7 · 62,679 ratings
Report analysis

Goals

Sleep Support
Impact
Highest effect
A Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Melatonin · 3 mg
Study evidence
Melatonin Supportive 181 studies
Everyday Health
Impact
Moderate effect
A Ingredient FitF PathwaysC- EvidenceA+ Formulation Logic
Study evidence
Melatonin Supportive 69 studies
Immunity
Impact
High effect
A Ingredient FitD PathwaysB EvidenceA+ Formulation Logic
Study evidence
Melatonin Supportive 10 studies

Ingredients

IngredientAmount per servingScore
Melatonin
3 mg 68
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Melatonin · 3 mg OverallScore68
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
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Sources

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

  1. Melatonin for preventing and treating jet lag.
    Herxheimer A; Petrie KJ · The Cochrane database of systematic reviews · 2001
    Systematic review10 studies pooledEveryday Health forMelatonin
  2. 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 participantsEveryday Health forMelatonin
  3. 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 pooledEveryday Health forMelatonin
  4. 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 pooledEveryday Health forMelatonin
  5. 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 participantsEveryday Health forMelatonin
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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