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Melatonin 1 mg Liquid Grape Flavor

OL Olympian Labs
4.7
★ ★ ★ ★ ★
(1222 ratings)
Melatonin 1 mg
Product Image
Score83
A low-dose liquid provides flexible, focused melatonin support at good value. Accurate measurement and full flavor details remain unclear.
How scoring works
Quantity:2 Liquid(s) • (60 servings)
Goals:
Sleep Support
General Health
Stress Relief

Score 83

A low-dose liquid provides flexible, focused melatonin support at good value. Accurate measurement and full flavor details remain unclear.
How scoring works

Also available as

1 option
5.00mg • 60 Tablet(s) servings • Strawberry Melatonin 5 mg • 60 Tablet(s) • 60 servings $9.22 ($0.15 per serving)
$8.27($0.13 per serving)
Pure Formulas
$ 8.27
Vitacost
$ 9.30
Vitacost
$ 9.30
iHerb
$ 9.30
Report prices

Analysis

The 1 mg amount is a sensible lower-dose option for sleep timing and onset. Liquid delivery may be useful for people who avoid pills and may allow easier adjustment if the dropper is marked.

No additional actives complicate the formula. The supplied information does not include measuring instructions or the full grape-flavor ingredient system.

Serving value is strong and the bottle provides many uses. Its role is mainly bedtime initiation rather than keeping melatonin exposure steady through the night.

Who is it for
  • Adults preferring low-dose melatonin
  • People who avoid tablets
  • Users wanting a flavored liquid
Best for
  • Sleep-onset support
  • Flexible liquid routines
  • Sensitive or first-time users

Pros

  • Low 1 mg amount
  • Liquid format
  • Single active ingredient
  • Good serving value

Cons

  • Measurement instructions are unavailable
  • Flavor system is not disclosed
  • No extended-release action
  • Liquid can be less portable

Warnings

  • Measure the liquid carefully to avoid unintended dosing
  • Melatonin may cause drowsiness; avoid driving after use

Nutrient quality

93 Highest impact

Liquid delivery supports rapid, adjustable use but not overnight release. The low melatonin amount closely fits physiological sleep signaling.

Ingredient transparency

78 High impact

The melatonin and any listed supporting nutrients have specific amounts. The provided facts omit the complete inactive-ingredient and flavoring list.

Customer satisfaction

72 High impact

The supplied aggregate rating is very strong. No specific review comments are provided to assess whether negative complaints repeat.

Value for money

89 Highest impact

The dose and delivery provide strong practical quality for the formula cost. The low recurring cost provides good serving value.

Report analysis

Goals

Sleep Support
Sleep Support
Impact
Highest effect
A+ Goal FitA+ Strength of SupportC+ CoverageA+ Formula Quality
Melatonin · 1 mg

Melatonin at 1 mg directly supports circadian timing and may help shorten the time needed to fall asleep. The liquid format supports flexible timing and easy dose adjustment.

The formula does not address physical relaxation, mineral needs, or stress-related sleep disruption. Melatonin can cause next-day drowsiness or vivid dreams, so users should avoid driving if they feel impaired.

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

Melatonin may support general well-being indirectly when a disrupted sleep schedule affects daily resilience. Evidence for circadian timing is established, but it does not provide broad foundational nutrition.

The 1 mg liquid amount supports precise, lower-dose use and rapid delivery. It offers no sustained-release support, and melatonin may cause drowsiness if used at the wrong time or before activities requiring alertness.

Study evidence
Melatonin Supportive 69 studies
Stress Relief
Stress Relief
Impact
High effect
C Goal FitA- Strength of SupportD+ CoverageA+ Formula Quality

Low-dose liquid melatonin may help reset sleep timing when stress makes it hard to settle at night. The 1 mg amount offers a measured starting point that may suit dose-sensitive users.

Liquid delivery supports rapid use but does not extend the effect through the night. The formula addresses sleep-related stress only and offers no broader resilience support.

Study evidence
Melatonin Supportive 21 studies

Ingredients

IngredientAmount per serving
Melatonin
1 mg
Gluten Free Adults 18–50 Vegan Dairy Free No Allergies Vegetarian
Report overview
Melatonin · 1 mg OverallScore73
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA- Value

The liquid format supports rapid onset, and the 1 mg dose aligns closely with physiological use. A clearly measured one-milliliter serving helps control intake, but no sustained-release support is offered. The serving cost is near the collection median, and purity certification is not disclosed.

View ingredientView products
Loading alternative details
88 Performance

Melatonin 1.0 mg Orange Flavor

Source Naturals Sleep Science
<p>A clearly disclosed 1 mg melatonin amount matches the original's 1 mg amount. The focused formula and stronger supplied quality profile make it a better-supported option, although the different dose or delivery format may change how it fits individual use.</p>
87 Performance

Melatonin 1 mg

Nature's Bounty
<p>A clearly disclosed 1 mg melatonin amount matches the original's 1 mg amount. The focused formula and stronger supplied quality profile make it a better-supported option, although the different dose or delivery format may change how it fits individual use.</p>
87 Performance

Melatonin Lozenges 3 mg

Life Extension
<p>A clearly disclosed 3 mg melatonin amount is higher than the original's 1 mg amount and may not suit people who prefer lower exposure. The focused formula and stronger supplied quality profile make it a better-supported option, although the different dose or delivery format may change how it fits individual use.</p>
84 Budget

Melatonin 1 mg

Spring Valley
<p>The 1 mg amount matches the original's 1 mg amount while lowering the serving cost. The supplied active list stays focused on melatonin without another active ingredient.</p>
83 Budget

Melatonin 3 mg

Nature Made
<p>The 3 mg amount is higher than the original's 1 mg amount and may not suit people who prefer lower exposure while lowering the serving cost. The added calcium is not central to the sleep-timing goal.</p>
85 Budget

Melatonin 1 mg

Swanson Premium Brand
<p>The 1 mg amount matches the original's 1 mg amount while lowering the serving cost. The supplied active list stays focused on melatonin without another active ingredient.</p>
88 Value

Melatonin 1.0 mg Peppermint Flavor

Source Naturals Sleep Science
<p>The 1 mg melatonin serving combines clear active disclosure with favorable value in the supplied data. It matches the original's 1 mg amount, so dose fit matters alongside the cost advantage.</p>
83 Value

Melatonin 3 mg

NOW
<p>The 3 mg melatonin serving combines clear active disclosure with favorable value in the supplied data. It is higher than the original's 1 mg amount and may not suit people who prefer lower exposure, so dose fit matters alongside the cost advantage.</p>
83 Value

Melatonin 3 mg

21st Century
<p>The 3 mg melatonin serving combines clear active disclosure with favorable value in the supplied data. It is higher than the original's 1 mg amount and may not suit people who prefer lower exposure, so dose fit matters alongside the cost advantage.</p>
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. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  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 for preventing and treating jet lag.
    Herxheimer A; Petrie KJ · The Cochrane database of systematic reviews · 2001
    Systematic review10 studies pooledGeneral Health forMelatonin
  10. 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
  11. 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
  12. 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
  13. 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
  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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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