Product Image

Melatonin 3 mg

21st Century
4.8
★ ★ ★ ★ ★
(13231 ratings)
Melatonin 3 mg
Product Image
Score80
3 mg of melatonin is a solid single-ingredient option with solid 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:90 Tablet(s) • (90 servings)
Goals:
Sleep Support
Stress Relief

Score 80

3 mg of melatonin is a solid single-ingredient option with solid value. Its main trade-off is the low dose, which may be either convenient or restrictive depending on the intended routine.
How scoring works
$5.49($0.06 per serving)
iHerb
$ 5.49
Walmart
$ 6.31
Amazon
$ 5.49
Report prices

Analysis

The 3 mg serving provides melatonin in tablet(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 reasonable, though alternatives may offer a better balance of form and quantity, 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 tablet(s) format match the user's preferred routine and budget.

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

Pros

  • Clearly stated 3 mg amount
  • Focused melatonin formula
  • Serving amount is easy to identify
  • Simple format makes alternatives easy to compare

Cons

  • 3 mg may require multiple servings for higher-intake routines
  • Tablet(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

80 Highest impact

A standard tablet provides conventional delivery without rapid or sustained release. The melatonin amount is well aligned with common sleep-onset use.

Ingredient transparency

80 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

74 High impact

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

Value for money

85 Highest impact

Appropriate melatonin dosing supports quality, while calcium carbonate adds little. The very low serving cost provides excellent value.

Report analysis

Goals

Sleep Support
Impact
Highest effect
A+ Goal FitB+ Strength of SupportB- CoverageB+ 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 tablet clearly states the dose but offers no rapid or sustained release. Calcium carbonate adds little meaningful sleep support. 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
Stress Relief
Impact
Moderate effect
D+ Goal FitB Strength of SupportD- CoverageB+ Formula Quality

Melatonin primarily regulates sleep timing rather than the daytime stress response. The 3 mg amount may help relaxation when stress is closely tied to difficulty falling asleep.

A clearly disclosed single active keeps the formula simple, but it does not address cortisol, daytime calm, or stress resilience. Melatonin can cause next-day drowsiness or vivid dreams, so the serving may be more than some sensitive users need.

Study evidence
Melatonin Supportive 21 studies

Ingredients

IngredientAmount per serving
Calcium (Calcium Carbonate)
94 mg
Melatonin
3 mg
Gluten Free Adults 18–50
Report overview
Melatonin · 3 mg OverallScore68
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The standard format may start more slowly and offers no stated overnight-release support. The dose aligns well with physiological sleep signaling. The very low serving cost offers strong value.

Loading alternative details
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. 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
  4. 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
  5. 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
  6. Effects of Melatonin Treatment on Perioperative Sleep Quality: A Systematic Review and Meta-Analysis with Trial Sequential Analysis of Randomized Controlled Trials.
    Gao Y; Chen X; Zhou Q; Song J; Zhang X; Sun Y; Yu M; Li Y · Nature and science of sleep · 2022
    Meta-analysis725 participants10 studies pooledSleep Support forMelatonin
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. The impact of oral melatonin on pain and anxiety reduction during venipuncture in pediatric patients: a double-blind randomized clinical trial.
    Rahafard S; Akbari Jokar Z; Hosseini SA; Alaee E · Annals of medicine and surgery (2012) · 2024
    Randomized trial202 participantsStress Relief forMelatonin
  13. Comparison of Effects of Melatonin and Gabapentin on Post Operative Anxiety and Pain in Lumbar Spine Surgery: A Randomized Clinical Trial.
    Javaherforooshzadeh F; Amirpour I; Janatmakan F; Soltanzadeh M · Anesthesiology and pain medicine · 2022
    Randomized trial90 participantsStress Relief forMelatonin
  14. Melatonin for pre- and postoperative anxiety in adults.
    Hansen MV; Halladin NL; Rosenberg J; Gögenur I; Møller AM · The Cochrane database of systematic reviews · 2015
    Meta-analysis774 participants12 studies pooledStress Relief forMelatonin
  15. Effects of melatonin intake on depression and anxiety in postmenopausal women: a systematic review and meta-analysis of randomised controlled trials.
    Demirhan Kayacik A; İlcioglu K · Archives of women's mental health · 2024
    Meta-analysis441 participants5 studies pooledStress Relief forMelatonin
  16. Premedication effect of melatonin on propofol induction dose for anesthesia, anxiety, orientation and sedation after abdominal surgery: a double-blinded randomized trial.
    Norouzi A; Fateh S; Modir H; Kamali A; Akrami L · Medical gas research · 2020
    Randomized trial88 participantsStress Relief forMelatonin