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Melatonin 3 mg

Natrol
4.7
★ ★ ★ ★ ★
(28826 ratings)
Melatonin 3 mg
Product Image
Score84
A practical 3 mg melatonin tablet with clear dosing and good value. Extra vitamin B6 adds little, and there is no sustained release.
How scoring works
Quantity:100 Tablet(s) • (100 servings)
Goals:
Sleep Support

Score 84

A practical 3 mg melatonin tablet with clear dosing and good value. Extra vitamin B6 adds little, and there is no sustained release.
How scoring works

Also available as

2 options
1.0 mg • 90 servings Melatonin 1 mg • 90 Tablet(s) • 90 servings $6.99 ($0.07 per serving) 5.0 mg • 100 Tablet(s) servings Melatonin 5 mg • 100 Tablet(s) • 100 servings $9.58 ($0.09 per serving)
$8.99($0.08 per serving)
Vitacost
$ 11.45
Pure Formulas
$ 8.99
iHerb
$ 10.83
Amazon
$ 9.56
iHerb
$ 10.83
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Analysis

A 3 mg melatonin tablet provides direct support for circadian timing and sleep onset. One tablet supplies the full serving, making the amount simple to follow.

Vitamin B6 is clearly disclosed at 10 mg but does not add a distinct sleep pathway in the supplied evidence. The standard tablet is immediate release and is not designed for overnight maintenance.

One hundred servings and a low serving cost make regular use practical. It fits users comfortable with 3 mg who do not need flavored or dissolving delivery.

Who is it for
  • Adults comfortable with 3 mg melatonin
  • Tablet users seeking simple dosing
  • Value-focused regular users
Best for
  • Sleep-onset support
  • One-tablet routines
  • Longer bottle supply

Pros

  • 3 mg melatonin in one tablet
  • One hundred servings
  • Clear vitamin B6 amount

Cons

  • No sustained-release feature
  • Vitamin B6 adds limited sleep-specific value
  • Standard tablet may act less promptly than dissolving formats

Warnings

  • Melatonin may cause next-day drowsiness or vivid dreams
  • Avoid driving or operating machinery if affected

Nutrient quality

85 Highest impact

The 3 mg amount is a practical lower-dose option. The standard tablet lacks rapid-dissolve or sustained-release technology.

.

Ingredient transparency

85 Highest impact

Active amounts are clear without a hidden blend. Complete directions and inactive ingredients remain unavailable.

.

Customer satisfaction

72 High impact

The supplied average is strong and backed by very large volume. No review themes were provided, so consistency and purpose-specific experience cannot be assessed.

.

Value for money

91 Highest impact

A very low serving cost and clearly stated dose support value. Missing release tailoring and purity verification limit differentiation.

.
Report analysis

Goals

Sleep Support
Sleep Support
Impact
Highest effect
A+ Goal FitB+ Strength of SupportC CoverageB Formula Quality
Melatonin · 3 mg

The melatonin amount directly supports circadian timing and falls at the top of the preferred lower-dose range. Clear one-tablet dosing makes the serving easy to understand.

A standard immediate-release tablet is aimed more at sleep onset than overnight maintenance, and no purity certification is shown. Melatonin may cause next-day drowsiness in sensitive users, so avoid driving or operating machinery if affected.

Study evidence
Melatonin Supportive 181 studies
Vitamin B6 Disputed 7 studies

Ingredients

IngredientAmount per serving
Vitamin B6 (Pyridoxine Hydrochloride)
 10 mg
Melatonin
3 mg
Adults 18–50 Dairy Free Vegetarian
Report overview
Melatonin · 3 mg OverallScore68
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The 3 mg dose fits the preferred lower-dose range and is clearly delivered in one tablet. A standard hard tablet offers neither rapid-dissolve nor sustained-release technology, so onset and overnight coverage are less tailored. The serving is inexpensive, but no independent purity certification is supplied.

View ingredientView products
Loading alternative details
88 Performance

Melatonin 1.0 mg Orange Flavor

Source Naturals Sleep Science
<p>Its label clearly provides 1 mg of Melatonin, making it a more clearly defined melatonin option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
87 Performance

Melatonin Lozenges 3 mg

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<p>Its label clearly provides 3 mg of Melatonin, making it a more clearly defined melatonin option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
86 Performance

Melatonin 1 mg Fast Dissolve Strawberry Natural Flavor

Natrol
<p>Its label clearly provides 1 mg of Melatonin, making it a more clearly defined melatonin option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
86 Budget

Melatonin Lozenge 2.5 mg

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<p>Its label clearly provides 2.50 mg of Melatonin, preserving relevant melatonin coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.</p>
83 Budget

Melatonin 3 mg

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<p>Its label clearly provides 3 mg of Vitamin B6 as Pyridoxine Hydrochloride, preserving relevant melatonin coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.</p>
85 Budget

Melatonin 1 mg

Swanson Premium Brand
<p>Its label clearly provides 1 mg of Melatonin, preserving relevant melatonin coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.</p>
88 Value

Melatonin 1.0 mg Peppermint Flavor

Source Naturals Sleep Science
<p>Its label clearly provides 1 mg of Melatonin, keeping the formula relevant to melatonin. Compared with the original, the lower serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
86 Value

Melatonin 3 mg Fast Dissolve Strawberry Natural Flavor

Natrol
<p>Its label clearly provides 3 mg of Melatonin, keeping the formula relevant to melatonin. Compared with the original, the lower serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
86 Value

Fast-Dissolve Melatonin 3 mg Artificial Strawberry Flavor

Spring Valley
<p>Its label clearly provides 3 mg of Melatonin, keeping the formula relevant to melatonin. Compared with the original, the lower serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
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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. 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
  7. Efficacy of vitamins B1 and B6 as an adjunctive therapy to lithium in bipolar-I disorder: A double-blind, randomized, placebo-controlled, clinical trial.
    Zandifar A; Mousavi S; Schmidt NB; Badrfam R; Seif E; Qorbani M; Mehrabani Natanzi M · Journal of affective disorders · 2023
    Randomized trial66 participantsSleep Support forVitamin B6
  8. Therapeutic effects of magnesium and vitamin B6 in alleviating the symptoms of restless legs syndrome: a randomized controlled clinical trial.
    Jadidi A; Rezaei Ashtiani A; Khanmohamadi Hezaveh A; Aghaepour SM · BMC complementary medicine and therapies · 2023
    Randomized trial75 participantsSleep Support forVitamin B6
  9. Effects of poly-gamma-glutamic acid and vitamin B6 supplements on sleep status: a randomized intervention study.
    García-García C; Baik I · Nutrition research and practice · 2022
    Randomized trial47 participantsSleep Support forVitamin B6
  10. Effects of Vitamin B6 (Pyridoxine) and a B Complex Preparation on Dreaming and Sleep.
    Adventure-Heart DJ; Madden NA; Delfabbro P · Perceptual and motor skills · 2018
    Randomized trial100 participantsSleep Support forVitamin B6
  11. The effect of pyridoxine administration on melatonin secretion in normal men.
    Luboshitzky R; Ophir U; Nave R; Epstein R; Shen-Orr Z; Herer P · Neuro endocrinology letters · 2003
    Randomized trial12 participantsSleep Support forVitamin B6