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Extra Strength Sleep Blackberry Zen

OLLY
4.5
★ ★ ★ ★ ★
(4086 ratings)
Theanine 100 mg
Melatonin 5 mg
Product Image
Score70
A convenient gummy provides useful core sleep actives, but relatively high melatonin and token herbal extras limit refinement.
How scoring works
Quantity:50 Gummy(ies) • (25 servings)
Goals:
Sleep Support
Cognitive Support
Stress Relief

Score 70

A convenient gummy provides useful core sleep actives, but relatively high melatonin and token herbal extras limit refinement.
How scoring works

Also available as

3 options
3.00mg Melatonin, 100.00mg L-Theanine • 70 Gummy(ies) servings Theanine 100 mg, Melatonin 3 mg • 70 Gummy(ies) • 35 servings $16.99 ($0.48 per serving) 5.00mg Melatonin, 75.00mg L-Theanine • 70 servings Protein 1 Gram(s), Theanine 75 mg +1 more • 70 Gummy(ies) • 35 servings $18.99 ($0.54 per serving) 60 servings Theanine 100 mg, Melatonin 5 mg • 60 Gummy(ies) • 30 servings $16.99 ($0.56 per serving)
$12.79($0.51 per serving)
iHerb
$ 15.99
Pure Formulas
$ 14.29
Vitacost
$ 17.63
Walmart
$ 12.79
iHerb
$ 15.99
Report prices

Analysis

The gummy pairs a useful theanine serving with a fairly strong melatonin amount. Chamomile, passionflower, and lemon balm align with bedtime use but appear in small quantities.

All calming ingredients are listed separately, which supports safety review. Carbohydrate from the gummy format and token botanical amounts reduce active density.

The product fits adults who value taste and chewability over dose efficiency. Melatonin-sensitive users may do better with the regular-strength version or a lower-dose tablet.

Who is it for
  • Adults who prefer gummies
  • People who tolerate stronger melatonin servings
Best for
  • Sleep onset
  • Chewable bedtime routines

Pros

  • Useful theanine amount
  • All botanical ingredients are named
  • Convenient gummy format

Cons

  • Melatonin may be higher than needed
  • Botanical amounts are small
  • Gummy adds carbohydrate

Warnings

  • Melatonin may cause next-day drowsiness; avoid driving until its effects are known
  • Chamomile may trigger reactions in people sensitive to ragweed-family plants

Nutrient quality

71 High impact

Melatonin and theanine are the meaningful core of the formula. Higher melatonin, tiny botanical amounts, and added gummy carbohydrate reduce balance.

Ingredient transparency

81 Highest impact

Every listed active amount is disclosed, and no proprietary blend obscures the formula. Complete daily directions and inactive-ingredient details are not available.

Customer satisfaction

70 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

54 Moderate impact

Convenience and useful core actives partly support the moderate cost. Token botanicals and gummy carbohydrate weaken quality-adjusted value.

Report analysis

Goals

Sleep Support
Sleep Support
Impact
High effect
A- Goal FitB- Strength of SupportB CoverageB- Formula Quality
Melatonin · 5 mgTheanine · 100 mg

The gummy combines melatonin for sleep timing with theanine and calming botanicals for relaxation. The melatonin amount is relatively high, while chamomile, passionflower, and lemon balm are present at very small amounts.

The formula may help sleep onset, but its breadth is stronger on the label than in effective botanical depth. The melatonin dose can cause next-day drowsiness or vivid dreams in sensitive users, especially when combined with alcohol or other sedating products.

Study evidence
Melatonin Supportive 181 studies
Theanine Supportive 8 studies
Cognitive Support
Cognitive Support
Impact
High effect
C- Goal FitB Strength of SupportC- CoverageB+ Formula Quality
Theanine · 100 mg

Theanine and sleep-promoting ingredients may support next-day cognition indirectly by improving rest. Melatonin and calming herbs are designed for sleep rather than immediate attention or memory.

Theanine is meaningfully dosed, while chamomile, passionflower, and lemon balm are modest additions. Melatonin can cause next-day drowsiness, vivid dreams, or impaired alertness in sensitive users.

Study evidence
Theanine Supportive 25 studies
Stress Relief
Stress Relief
Impact
High effect
B- Goal FitC+ Strength of SupportC+ CoverageC+ Formula Quality
Theanine · 100 mg

L-theanine provides a direct calming pathway, while melatonin makes the formula most relevant when stress disrupts sleep. Small amounts of chamomile, passionflower, and lemon balm broaden the bedtime theme but are unlikely to add much depth.

The blend is coherent for nighttime use, though it is less suitable for daytime stress resilience. Melatonin can cause next-day drowsiness, and the combined calming ingredients may increase sedation.

Study evidence
Melatonin Supportive 21 studies
Theanine Supportive 16 studies
Productivity Boost
Productivity Boost
Impact
Moderate effect
D+ Goal FitC+ Strength of SupportD+ CoverageC Formula Quality
Theanine · 100 mg

L-theanine may support a calm mental state, while melatonin and low-dose botanicals mainly target nighttime sleep. The blend may indirectly help next-day function when poor sleep is the limiting issue, but it is unsuitable for daytime productivity.

Individual amounts are disclosed, though chamomile, passionflower, and lemon balm are present at modest levels. Melatonin and the combined calming ingredients may cause drowsiness or morning grogginess, especially when taken near demanding tasks.

Study evidence
Theanine Supportive 5 studies
Brain Health
Brain Health
Impact
Moderate effect
D+ Goal FitC Strength of SupportD CoverageC+ Formula Quality

L-theanine has some relevance to relaxed attention, but melatonin and calming herbs make this mainly a sleep gummy. The 100 mg theanine amount is useful, while the small chamomile, passionflower, and lemon balm amounts appear secondary.

Better sleep may indirectly support cognition, yet the formula does not target memory, brain energy, or neuroprotection. The 5 mg melatonin amount may cause next-day grogginess or vivid dreams in sensitive users.

Study evidence
Melatonin Supportive 29 studies
Theanine Supportive 17 studies

Ingredients

IngredientAmount per serving
Calories
15 Calorie(s)
Total Carbohydrates
3 Gram(s)
Protein
1 Gram(s)
L-Theanine
100 mg
Melatonin
5 mg
Chamomile extract
17 mg
Passionflower extract
17 mg
Lemon Balm extract
16 mg
Gluten Free Adults 18–50
Report overview
Theanine · 100 mg OverallScore82
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value

The clearly disclosed L-theanine dose begins the preferred range, but no branded source or purity claim is provided. A relatively substantial melatonin dose makes the gummies intended for bedtime and can cause next-day drowsiness in sensitive users. Cost per active amount is premium.

View ingredientView products
Melatonin · 5 mg OverallScore48
F Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyD Value

The gummy is designed mainly for sleep onset and has no supplied independent purity certification. The melatonin amount is above the physiological range but below a high dose. The high serving cost is only partly offset by its formulation features.

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.</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.</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.</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.</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.</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.</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.</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.</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.</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. 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
  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. 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
  5. 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
  6. 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
  7. 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
  8. 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 Brain Health Cognitive Support forTheanine
  9. 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
  10. 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
  11. Current Evidence on Common Dietary Supplements for Sleep Quality.
    Esquivel MK; Ghosn B · American journal of lifestyle medicine · 2025
    Narrative reviewSleep Support forTheanine
  12. 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
  13. Comparative Efficacy, Tolerability, and Acceptability of Donanemab, Lecanemab, Aducanumab, Melatonin, and Aerobic Exercise for a Short Time on Cognitive Function in Mild Cognitive Impairment and Mild Alzheimer's Disease: A Systematic Review and Network Meta-Analysis.
    Terao I; Kodama W · Journal of Alzheimer's disease : JAD · 2024
    Meta-analysis4,599 participants10 studies pooledBrain Health forMelatonin
  14. Melatonin for sleep and cognitive outcomes in older adults with cognitive impairment: a meta-analysis of randomised controlled trials.
    Mdluli NT; Banda KJ; Chang YC · Age and ageing · 2025
    Meta-analysis516 participants10 studies pooledBrain Health forMelatonin
  15. Add-on prolonged-release melatonin for cognitive function and sleep in mild to moderate Alzheimer's disease: a 6-month, randomized, placebo-controlled, multicenter trial.
    Wade AG; Farmer M; Harari G; Fund N; Laudon M; Nir T; Frydman-Marom A; Zisapel N · Clinical interventions in aging · 2015
    Randomized trial80 participantsBrain Health forMelatonin
  16. Early Oral Melatonin Supplementation Supports White Matter Maturation in Preterm Infants: Neuroprotective Insights of an Antioxidant Molecule.
    Garofoli F; Asteggiano C; Minniti ML; Accorsi P; Albertini R; Angelini M; Aversa S; Ballante E; Cabini RF; Caporali C; Cociglio S; Franco V; Longo S; Malerba L; Materia V; Mazzocchi L; Naboni C; Palmisani M; Pullega C; Pisoni C; Preda L; Riboli A; Risso FM; Rognone E; Savini G; Simoncelli AM; Villani P; Tzialla C; Pinelli L; Fazzi E; Chiapparini L; Borgatti R; Ghirardello S; Pichiecchio A; Orcesi S · Journal of pineal research · 2026
    Randomized trial54 participantsBrain Health forMelatonin
  17. Efficacy and Safety of Melatonin in Migraine Prophylaxis: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Abouelmagd ME; Aldemerdash MA; Khatatbeh AA; Osman ASA; Abbas A; Allam S; AlEdani EM; Aldemerdash A; Monteith TS · Current pain and headache reports · 2026
    Meta-analysis788 participants9 studies pooledBrain Health forMelatonin
  18. A Randomized, Triple-Blind, Placebo-Controlled, Crossover Study to Investigate the Efficacy of a Single Dose of AlphaWave® L-Theanine on Stress in a Healthy Adult Population.
    Evans M; McDonald AC; Xiong L; Crowley DC; Guthrie N · Neurology and therapy · 2021
    Randomized trialBrain Health Stress Relief forTheanine
  19. Effects of Tea (Camellia sinensis) or its Bioactive Compounds l-Theanine or l-Theanine plus Caffeine on Cognition, Sleep, and Mood in Healthy Participants: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Payne ER; Aceves-Martins M; Dubost J; Greyling A; de Roos B · Nutrition reviews · 2025
    Meta-analysis50 studies pooledBrain Health Cognitive Support forTheanine
  20. Assessing the effects of caffeine and theanine on the maintenance of vigilance during a sustained attention task.
    Foxe JJ; Morie KP; Laud PJ; Rowson MJ; de Bruin EA; Kelly SP · Neuropharmacology · 2012
    Randomized trial27 participantsBrain Health Cognitive Support forTheanine
  21. Effects of l-Theanine on Cognitive Function in Middle-Aged and Older Subjects: A Randomized Placebo-Controlled Study.
    Baba Y; Inagaki S; Nakagawa S; Kaneko T; Kobayashi M; Takihara T · Journal of medicinal food · 2021
    Randomized trialBrain Health Productivity Boost forTheanine
  22. Dose-response effect of L-theanine on psychomotor speed, sustained attention, and inhibitory control: a double-blind, placebo-controlled, crossover study.
    Dassanayake TL; Wijesundara D; Kahathuduwa CN; Weerasinghe VS · Nutritional neuroscience · 2023
    Randomized trial32 participantsCognitive Support forTheanine
  23. Acute effects of theanine, caffeine and theanine-caffeine combination on attention.
    Kahathuduwa CN; Dassanayake TL; Amarakoon AMT; Weerasinghe VS · Nutritional neuroscience · 2018
    Clinical trial20 participantsCognitive Support forTheanine
  24. Cognitive and affective effects of L-Theanine: a systematic review and meta-analysis of 31 randomized trials.
    Gerolymos C; Saddier E; Boyer L; Fond G · Molecular psychiatry · 2026
    Meta-analysis1,168 participants31 studies pooledProductivity Boost forTheanine
  25. Safety and Efficacy of AlphaWave® L-Theanine Supplementation for 28 Days in Healthy Adults with Moderate Stress: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Moulin M; Crowley DC; Xiong L; Guthrie N; Lewis ED · Neurology and therapy · 2024
    Randomized trial30 participantsProductivity Boost Stress Relief forTheanine
  26. Effects of L-theanine on cognition, mood and sleep: evidence from human trials.
    Cotter J; Kilpatrick HE · Frontiers in nutrition · 2026
    Narrative reviewProductivity Boost forTheanine
  27. Time for tea: mood, blood pressure and cognitive performance effects of caffeine and theanine administered alone and together.
    Rogers PJ; Smith JE; Heatherley SV; Pleydell-Pearce CW · Psychopharmacology · 2008
    Randomized trial48 participantsProductivity Boost forTheanine
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. Anti-Stress, Behavioural and Magnetoencephalography Effects of an L-Theanine-Based Nutrient Drink: A Randomised, Double-Blind, Placebo-Controlled, Crossover Trial.
    White DJ; de Klerk S; Woods W; Gondalia S; Noonan C; Scholey AB · Nutrients · 2016
    Randomized trial34 participantsStress Relief forTheanine
  36. 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
  37. Comparison of the effects of two amino acids, Gamma-aminobutyric acid (GABA) and L-theanine, on sedation, anxiety, and cognition in preoperative surgical patients - A randomized controlled study.
    Deshpande SS; Kurdi M; Baiju A; Athira AS; Sarasamma AG; Gangadharan AK · Journal of anaesthesiology, clinical pharmacology · 2025
    Randomized trial168 participantsStress Relief forTheanine