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Sleep+ Calm Strawberry

Natrol Kids
4.7
★ ★ ★ ★ ★
(5158 ratings)
Theanine 25 mg
Melatonin 0.5 mg
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Score65
Low-dose melatonin is appropriately cautious for a children's gummy, but weak theanine and a hidden botanical blend limit confidence.
How scoring works
Quantity:60 Gummy(ies) • (30 servings)
Goals:
Sleep Support

Score 65

Low-dose melatonin is appropriately cautious for a children's gummy, but weak theanine and a hidden botanical blend limit confidence.
How scoring works
$9.98($0.33 per serving)
iHerb
$ 17.32
Pure Formulas
$ 12.99
Walmart
$ 9.98
Amazon
$ 9.98
Vitacost
$ 14.39
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Analysis

The children's gummy uses a low melatonin amount that allows a more measured bedtime approach. Theanine provides a small calming addition rather than a strong standalone serving.

The proprietary botanical blend is not itemized, so its ingredients, amounts, allergens, and interactions cannot be checked. Added carbohydrate is an expected but relevant trade-off of the gummy format.

The product should be considered only for children under caregiver and pediatric guidance, after behavioral sleep routines have been addressed. A fully disclosed formula would be preferable for repeated use.

Who is it for
  • Children using melatonin under pediatric guidance
  • Families seeking a low-dose gummy
Best for
  • Cautious sleep-onset support
  • Occasional child-oriented use

Pros

  • Low melatonin amount
  • Child-friendly gummy format
  • Core actives are separately weighted

Cons

  • Theanine amount is low
  • Botanical blend is undisclosed
  • Gummy adds carbohydrate

Warnings

  • Use in children only with pediatric guidance and keep out of reach to prevent accidental gummy overuse
  • The hidden botanical blend prevents complete allergy and medication screening

Nutrient quality

70 High impact

Low-dose melatonin provides the clearest functional contribution for cautious bedtime use. Underdosed theanine and a tiny hidden botanical blend limit depth.

Ingredient transparency

50 Lower impact

Important active details are hidden or incomplete in the supplied label data. Complete daily directions and inactive-ingredient details are not available.

Customer satisfaction

73 High impact

The aggregate satisfaction measure is favorable, with response volume determining how much confidence it deserves. Comment-level evidence is absent, so recurring complaints and purpose fit cannot be verified.

Value for money

73 High impact

The cautious melatonin amount and economical serving cost provide good practical value. Weak theanine dosing and hidden botanicals limit formula quality.

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Goals

Sleep Support
Sleep Support
Impact
Highest effect
A Goal FitB- Strength of SupportB CoverageB+ Formula Quality
Melatonin · 0.5 mgTheanine · 25 mg

A low melatonin amount supports circadian timing, while L-theanine and a small botanical blend add calming intent. The formula is clearly designed for children’s bedtime use, although the theanine and undisclosed botanicals are supplied at very small amounts.

Melatonin can cause drowsiness, so a child should use it only near bedtime with adult supervision. Caregivers should follow the age-specific label carefully because the serving can vary between one and two gummies.

Study evidence
Melatonin Supportive 181 studies
Theanine Supportive 8 studies

Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Carbohydrates
2 Gram(s)
L-Theanine
25 mg
Melatonin
0.5 mg
Proprietary Botanical Blend
12.5 mg
Dairy Free Children 4+ Vegetarian
Report overview
Theanine · 25 mg OverallScore56
B+ Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyF Value

The label clearly identifies L-Theanine, but the 25 mg amount is too low for typical standalone theanine support. Melatonin and the botanical blend shift the gummy toward bedtime use, while the cost per active theanine amount remains high. Melatonin can cause drowsiness, so a child should use it only near bedtime with adult supervision.

View ingredientView products
Melatonin · 0.5 mg OverallScore54
F Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyC Value

The low melatonin dose aligns well with a cautious approach for children and is paired with L-theanine and a small botanical blend. The gummy uses immediate release, offers no stated technology for overnight maintenance, and lacks disclosed independent purity verification. Age-dependent directions appear to use one or two gummies, so caregivers should follow the labeled serving carefully to avoid dosing confusion.

View ingredientView products
Loading alternative details
92 Performance

Tranquil Sleep

Natural Factors Stress-Relax
<p>Branded 200 mg Suntheanine, 3 mg melatonin, and 30 mg fully disclosed 5-HTP provide broad relaxation and sleep-onset support without an opaque blend. The 5-HTP can interact with serotonin-raising medicines, so that added depth is not appropriate for everyone. The supplied data do not identify it as a children’s product, so it should not replace age-specific guidance.</p>
89 Performance

L-Theanine 200 mg Double Strength

Swanson
<p>A substantial 200 mg branded Suntheanine dose provides stronger, clearly identified relaxation support without melatonin. It may suit users who want to avoid next-day effects from melatonin, but it offers less direct support for sleep timing than the original. The supplied data do not identify it as a children’s product, so it should not replace age-specific guidance.</p>
90 Performance

Melatonin 1.0 mg Orange Flavor

Source Naturals Sleep Science
<p>The focused 1 mg melatonin lozenge uses a conservative amount and avoids lightly dosed or undisclosed extras. It gives up the original formula’s theanine support, making it more suitable for sleep timing than broader bedtime relaxation. The supplied data do not identify it as a children’s product, so it should not replace age-specific guidance.</p>
86 Budget

Fast-Dissolve Melatonin 3 mg Artificial Strawberry Flavor

Spring Valley
<p>The very low serving cost retains a clearly disclosed 3 mg melatonin dose in a fast-dissolve format. It omits L-theanine and the original formula’s other calming ingredients, so the savings come with narrower support. The supplied data do not identify it as a children’s product, so it should not replace age-specific guidance.</p>
88 Budget

Melatonin 1 mg Fast Dissolve Strawberry Natural Flavor

Natrol
<p>The low-cost fast-dissolve tablet uses a conservative 1 mg melatonin amount for sleep timing. It is simpler than the original and leaves out L-theanine, making it a better fit when minimizing both cost and ingredient count matters. The supplied data do not identify it as a children’s product, so it should not replace age-specific guidance.</p>
87 Budget

Melatonin Lozenges 3 mg

Life Extension
<p>A low serving cost provides 3 mg melatonin in a focused lozenge with no hidden blend. The streamlined formula is easier to assess than the original, though it does not provide L-theanine for relaxation support. The supplied data do not identify it as a children’s product, so it should not replace age-specific guidance.</p>
94 Value

Sleep Regimen 3-in-1

NOW
<p>A low serving cost combines 3 mg melatonin, 200 mg L-theanine, and 50 mg Griffonia-derived 5-HTP with all amounts disclosed. The formula provides more bedtime depth for the money, but 5-HTP can interact with serotonin-raising medicines. The supplied data do not identify it as a children’s product, so it should not replace age-specific guidance.</p>
89 Value

L-Theanine 100 mg

California Gold Nutrition
<p>Branded AlphaWave L-theanine supplies a clear 100 mg amount at a low serving cost. It offers clean relaxation support without melatonin, though users seeking direct sleep-timing support would need a different approach. The supplied data do not identify it as a children’s product, so it should not replace age-specific guidance.</p>
88 Value

Melatonin Lozenge 2.5 mg

Nature's Way
<p>A practical 2.5 mg melatonin lozenge provides straightforward sleep-onset support at a very low serving cost. It lacks L-theanine and other calming actives, but the focused label offers clearer value than paying for lightly dosed extras. The supplied data do not identify it as a children’s product, so it should not replace age-specific guidance.</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. 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
  4. Comparison Between Efficacy of Oral Melatonin and Oral L-theanine in Improving Sleep in Cancer Patients Suffering From Insomnia: A Randomised Double-blinded Placebo-controlled Study.
    Kurdi MS; As A; Ladhad DA; Mitragotri MV; Baiju A · Indian journal of palliative care · 2024
    Randomized trial120 participantsSleep Support forTheanine
  5. L-theanine in the adjunctive treatment of generalized anxiety disorder: A double-blind, randomised, placebo-controlled trial.
    Sarris J; Byrne GJ; Cribb L; Oliver G; Murphy J; Macdonald P; Nazareth S; Karamacoska D; Galea S; Short A; Ee C; Birling Y; Menon R; Ng CH · Journal of psychiatric research · 2020
    Randomized trial46 participantsSleep Support forTheanine
  6. L-theanine relieves positive, activation, and anxiety symptoms in patients with schizophrenia and schizoaffective disorder: an 8-week, randomized, double-blind, placebo-controlled, 2-center study.
    Ritsner MS; Miodownik C; Ratner Y; Shleifer T; Mar M; Pintov L; Lerner V · The Journal of clinical psychiatry · 2011
    Randomized trial60 participantsStress Relief forTheanine
  7. Effect of Combined Ingestion of L-Theanine and L-Arginine for Short-Term Psychological Stress in Young Adults: A Randomized Placebo-Controlled Study.
    Furushima D; Sugiyama I; Nomura Y; Unno K; Yamada H · Journal of nutritional science and vitaminology · 2023
    Randomized trial120 participantsStress Relief forTheanine
  8. 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
  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. Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial.
    Hidese S; Ogawa S; Ota M; Ishida I; Yasukawa Z; Ozeki M; Kunugi H · Nutrients · 2020
    Randomized trial30 participantsSleep Support forTheanine
  13. The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis.
    Bulman A; D'Cunha NM; Marx W; Turner M; McKune A; Naumovski N · Sleep medicine reviews · 2025
    Meta-analysis897 participants19 studies pooledSleep Support forTheanine
  14. In Search of a Safe Natural Sleep Aid.
    Rao TP; Ozeki M; Juneja LR · Journal of the American College of Nutrition · 2016
    Narrative reviewSleep Support forTheanine