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Restful Sleep Blackberry Zen

OLLY
4.4
★ ★ ★ ★ ★
(7420 ratings)
Theanine 200 mg
Melatonin 3 mg
Product Image
Score73
A balanced melatonin-theanine gummy is easy to use and transparent, though its small herbal extras add little beyond the core pair.
How scoring works
Quantity:50 Gummy(ies) • (25 servings)
Goals:
Sleep Support
Stress Relief
Mood Support
Brain Health
Cognitive Support

Score 73

A balanced melatonin-theanine gummy is easy to use and transparent, though its small herbal extras add little beyond the core pair.
How scoring works
$12.88($0.51 per serving)
iHerb
$ 12.99
Vitacost
$ 14.69
Walmart
$ 12.88
iHerb
$ 12.99
Pure Formulas
$ 13.87
Report prices

Analysis

The gummy combines moderate melatonin with a substantial theanine serving. Chamomile, passionflower, and lemon balm are appropriately chosen for bedtime but included in small amounts.

Full ingredient disclosure supports a clearer safety review than a proprietary blend. The gummy adds carbohydrate, and the minor herbs are unlikely to drive the main effect.

The product fits adults who prioritize chewable convenience and balanced core actives. People who want a concentrated botanical formula or no added carbohydrate should choose another format.

Who is it for
  • Adults who prefer sleep gummies
  • People seeking balanced melatonin and theanine
Best for
  • Sleep onset
  • Bedtime relaxation

Pros

  • Substantial theanine amount
  • Moderate melatonin serving
  • All botanicals are named

Cons

  • Herbal extracts are low-dose
  • Gummy adds carbohydrate
  • Shorter supply than many tablets

Warnings

  • Melatonin may cause next-day drowsiness
  • Chamomile may trigger reactions in people sensitive to ragweed-family plants

Nutrient quality

78 High impact

Theanine and melatonin supply useful core support for relaxation and sleep timing. Small botanical amounts and gummy carbohydrate limit formula efficiency.

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

59 Moderate impact

Useful core amounts partly support the moderate serving cost. Token botanicals and gummy carbohydrate keep category value only fair.

Report analysis

Goals

Sleep Support
Sleep Support
Impact
Highest effect
A Goal FitA- Strength of SupportB+ CoverageB+ Formula Quality
Melatonin · 3 mgTheanine · 200 mg

Melatonin and L-theanine provide strong coverage for circadian timing and relaxation at useful amounts. Chamomile, passionflower, and lemon balm add gentle botanical support.

The botanicals are present at low amounts, and the immediate-release gummy cannot sustain delivery through the night. Melatonin may cause next-day drowsiness in sensitive users, so avoid driving or operating machinery if affected.

Study evidence
Melatonin Supportive 181 studies
Theanine Supportive 8 studies
Stress Relief
Stress Relief
Impact
High effect
B+ Goal FitB+ Strength of SupportB- CoverageB- Formula Quality
Theanine · 200 mg

The 200 mg L-theanine amount provides the formula’s clearest stress-relief support, while melatonin mainly targets sleep timing rather than daytime stress. Chamomile, passionflower, and lemon balm broaden the calming concept but appear at very small amounts.

All active amounts are visible, but the gummy format and generic ingredient sources offer limited form assurance. Melatonin may cause next-day drowsiness, so avoid driving or other alertness-dependent tasks if affected.

Study evidence
Melatonin Supportive 21 studies
Theanine Supportive 16 studies
Mood Support
Mood Support
Impact
High effect
C+ Goal FitB+ Strength of SupportB- CoverageB Formula Quality

A useful theanine amount supports calm, while melatonin and several botanicals may improve mood indirectly through better sleep. The product is better suited to nighttime tension than daytime emotional support.

The active amounts are clear, though the botanical doses are small. Melatonin and calming herbs can cause drowsiness and should not be combined casually with alcohol or other sedatives.

Study evidence
Theanine Supportive 12 studies
Brain Health
Brain Health
Impact
High effect
C+ Goal FitB+ Strength of SupportC+ CoverageB Formula Quality

L-theanine and melatonin may indirectly support cognition through calm and restorative sleep. Their amounts are meaningful, but the formula is not designed for daytime memory or neuroprotection.

Chamomile, passionflower, and lemon balm support the nighttime theme at modest amounts. The 3 mg melatonin amount may cause next-day drowsiness in sensitive users, so driving should be avoided if alertness is affected.

Study evidence
Melatonin Supportive 29 studies
Theanine Supportive 17 studies
Cognitive Support
Cognitive Support
Impact
High effect
C+ Goal FitB+ Strength of SupportC+ CoverageB Formula Quality
Theanine · 200 mg

L-theanine and melatonin may indirectly support cognition through calm and restorative sleep. Their amounts are meaningful, but the formula is not designed for daytime memory or neuroprotection.

Chamomile, passionflower, and lemon balm support the nighttime theme at modest amounts. The 3 mg melatonin amount may cause next-day drowsiness in sensitive users, so driving should be avoided if alertness is affected.

Study evidence
Theanine Supportive 25 studies
Productivity Boost
Productivity Boost
Impact
Moderate effect
F Goal FitC- Strength of SupportF CoverageB- Formula Quality
Theanine · 200 mg

L-theanine may support calm attention, but melatonin makes the gummy primarily a sleep aid. It is not well suited to an immediate productivity boost.

Chamomile, passionflower, and lemon balm appear at very small amounts, while the gummy adds carbohydrate. Melatonin may cause next-day drowsiness in sensitive users.

Study evidence
Theanine Supportive 5 studies

Ingredients

IngredientAmount per serving
Calories
15 Calorie(s)
Total Carbohydrates
3 Gram(s)
L-Theanine
200 mg
Melatonin
3 mg
Chamomile extract
17 mg
Passionflower extract
17 mg
Lemon Balm extract
16 mg
Adults 18–50
Report overview
Theanine · 200 mg OverallScore88
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value

The clearly labeled L-theanine amount fits the preferred range for a sleep-focused formula. The source is generic and lacks stated purity verification, but the normalized cost is competitive. Melatonin may cause next-day drowsiness in sensitive users, so avoid driving if affected.

View ingredientView products
Melatonin · 3 mg OverallScore54
F Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyD Value

The 3 mg melatonin dose fits common sleep-onset needs, while L-theanine and calming botanicals add complementary support. The immediate-release gummy serving lacks technology for overnight maintenance, and the input provides no independent purity certification. Its elevated per-serving cost is partly supported by the multi-ingredient sleep blend.

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. 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
  3. 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
  4. Current Evidence on Common Dietary Supplements for Sleep Quality.
    Esquivel MK; Ghosn B · American journal of lifestyle medicine · 2025
    Narrative reviewSleep Support forTheanine
  5. 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
  6. Exogenous melatonin's effect on salivary cortisol and amylase: A randomized controlled trial.
    Pachimsawat P; Ratanachamnong P; Jantaratnotai N · Pharmacology research & perspectives · 2024
    Randomized trial64 participantsStress Relief forMelatonin
  7. 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 Mood Support forTheanine
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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 participantsBrain Health Cognitive Support Sleep Support forTheanine
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. l-theanine adjunct to sertraline for major depressive disorder: A randomized, double-blind, placebo-controlled clinical trial.
    Shamabadi A; Kafi F; Arab Bafrani M; Asadigandomani H; A Basti F; Akhondzadeh S · Journal of affective disorders · 2023
    Randomized trial60 participantsMood Support forTheanine
  22. The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic Review.
    Williams JL; Everett JM; D'Cunha NM; Sergi D; Georgousopoulou EN; Keegan RJ; McKune AJ; Mellor DD; Anstice N; Naumovski N · Plant foods for human nutrition (Dordrecht, Netherlands) · 2020
    Systematic review9 studies pooledMood Support forTheanine
  23. 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 participantsMood Support Stress Relief forTheanine
  24. Anti-stress effect of theanine on students during pharmacy practice: positive correlation among salivary α-amylase activity, trait anxiety and subjective stress.
    Unno K; Tanida N; Ishii N; Yamamoto H; Iguchi K; Hoshino M; Takeda A; Ozawa H; Ohkubo T; Juneja LR; Yamada H · Pharmacology, biochemistry, and behavior · 2014
    Randomized trial20 participantsMood Support forTheanine
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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