Sleep Optimizer

Sleep Optimizer

Jarrow Formulas4.2 (2,278 ratings)
Format:Capsule Quantity: 60 Veggie Cap(s) · 30 servings
Goals

Product analysis

49 out of 100

Sleep Optimizer may help with sleep timing through melatonin, while support for its additional calming ingredients is less consistent.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

The ingredient preparations are not identified, leaving their quality uncertain. Unspecified herbal forms make comparisons with other preparations particularly difficult.

Ingredient Transparency63

All ingredient amounts are stated, so you can check the serving contents. Their forms are undisclosed, leaving the preparations less clearly identified.

Value For Money38

The serving price is relatively high when considered as a source of melatonin. Comparisons based on valerian and GABA are also less favorable, while value for the remaining ingredients is uncertain.

Customer Satisfaction73

Customer ratings lean positive, with some room for differing experiences. Thousands of responses give a broad view of satisfaction.

Product Focus81

Sleep timing has the clearest support, while lasting stress relief remains uncertain. Valerian lacks a confirmed preparation match, and the tryptophan amount is below the relevant sleep comparisons.

Format
Capsule
Container
60 Veggie Cap(s)
Per serving
$0.50
Customer rating
4.2 · 2,278 ratings
Report analysis

Goals

Sleep Support
Impact
High effect
B Ingredient FitD+ PathwaysA+ EvidenceA+ Formulation Logic
Melatonin · 0.3 mg
Study evidence
GABA Supportive 4 studies
Melatonin Supportive 181 studies
Valerian Supportive 31 studies
Stress Relief
Impact
Highest effect
B Ingredient FitC+ PathwaysA EvidenceA+ Formulation Logic
GABA · 100 mgTryptophan · 300 mg
Study evidence
GABA Supportive 6 studies
Melatonin Supportive 21 studies
Valerian Supportive 18 studies

Ingredients

IngredientAmount per servingScore
Valerian root Complex
400 mg 52
L-Tryptophan
300 mg
Hops strobile Complex
100 mg
Lemon Balm leaf Complex
100 mg
Gamma-Aminobutyric Acid
100 mg 69
Melatonin
0.3 mg 46
Adults 18–50 Vegan Vegetarian
Report overview
GABA · 100 mg OverallScore69
B- Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyD- Value
The serving provides 100 mg of GABA at a high whole-product serving cost. The Other Ingredients panel includes a flow agent, though its name is unavailable.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

It uses GABA without a named brand.
GABA Source & Production Method
It uses GABA without a named brand.

Dose, Safety & Label Transparency82

The GABA amount is 100 mg per serving. The Other Ingredients panel includes a flow agent, though its name is unavailable.
GABA Dosage Adequacy & Transparency
The serving specifies 100 mg of GABA.
Label Purity & Excipient Quality
The Other Ingredients panel includes a flow agent, though its name is unavailable.

Value40

The whole-product serving cost is high for the listed GABA form.
Price per Effective Dose
The whole-product serving cost is high for the listed GABA form.
Valerian · 400 mg OverallScore52
F Composition And Label DisclosureA+ Composition And Label DisclosureD- Commercial Price And Usability
Each serving provides 400 mg of valerian at a high cost per serving. The valerian form is unclear, so its preparation cannot be compared.
How this ingredient is rated

Composition and Label Disclosure10

The available information does not identify the valerian form, leaving its preparation unclear.
Marker and Preparation Disclosure
The available information does not identify the valerian form, leaving its preparation unclear.

Composition and Label Disclosure100

The valerian amount is stated, but its form is unclear.
Individual Preparation Amount Disclosure
The valerian amount is stated, but its form is unclear.

Commercial Price and Usability40

The cost per serving is high.
Commercial Price per Labeled Serving
The cost per serving is high.
Melatonin · 0.3 mg OverallScore46
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value
Each serving provides 0.3 mg of melatonin, a lower amount aligned with the stated natural sleep-cycle range, at a high cost per serving. No manufacturing or independent testing claim is available in the information provided.
How this ingredient is rated

Active Ingredient Quality & Bioavailability0

No manufacturing or independent testing claim is available in the information provided.
Third-Party Purity Verification
No manufacturing or independent testing claim is available in the information provided.

Dose, Safety & Label Transparency100

A serving provides 0.3 mg of melatonin, a lower amount aligned with the stated natural sleep-cycle range.
Physiological Dosing Alignment
The serving contains 0.3 mg of melatonin, a lower amount aligned with the stated natural sleep-cycle range.

Value30

The cost per serving is high.
Price Per Serving Efficiency
The cost per serving is high.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Safety and Efficacy of Gamma-Aminobutyric Acid from Fermented Rice Germ in Patients with Insomnia Symptoms: A Randomized, Double-Blind Trial.
    Byun JI; Shin YY; Chung SE; Shin WC · Journal of clinical neurology (Seoul, Korea) · 2020
    Randomized trial40 participantsSleep Support forGABA
  2. Analysis of the Effects of Known Sleep-Support Supplements in Relation to Life Habits, Sleep Conditions, and Sleep Problems.
    Imafuku F; Yamamoto K; Tanaka E; Aoki R; Nishino S · Nutrients · 2023
    Randomized trial160 participantsSleep Support forGABA
  3. Reduced γ-aminobutyric acid in occipital and anterior cingulate cortices in primary insomnia: a link to major depressive disorder?
    Plante DT; Jensen JE; Schoerning L; Winkelman JW · Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2012
    Case-control study40 participantsSleep Support forGABA
  4. GABA Supplementation, Increased Heart-Rate Variability, Emotional Response, Sleep Efficiency and Reduced Depression in Sedentary Overweight Women Undergoing Physical Exercise: Placebo-Controlled, Randomized Clinical Trial.
    Guimarães AP; Seidel H; Pires LVM; Trindade CO; Baleeiro RDS; Souza PM; Silva FGDE; Coelho DB; Becker LK; Oliveira EC · Journal of dietary supplements · 2024
    Randomized trial30 participantsSleep Support Stress Relief forGABA
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression
    Clarinda N Sutanto, Wen Wei Loh, Jung Eun Kim · Nutrition Reviews · 2022
    Meta-analysis4 studies pooledSleep Support forTryptophan
  11. Standardized Extract of Valeriana officinalis Improves Overall Sleep Quality in Human Subjects with Sleep Complaints: A Randomized, Double-Blind, Placebo-Controlled, Clinical Study.
    Chandra Shekhar H; Joshua L; Thomas JV · Advances in therapy · 2024
    Randomized trial80 participantsSleep Support Stress Relief forValerian
  12. Comparison the effect of valerian and gabapentin on RLS and sleep quality in hemodialysis patients: A randomized clinical trial.
    Hajizadeh I; Jamshidi M; Kazemi M; Kargar H; Sadeghi T · Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy · 2023
    Randomized trial40 participantsSleep Support forValerian
  13. Efficacy and tolerability of valerian extract LI 156 compared with oxazepam in the treatment of non-organic insomnia--a randomized, double-blind, comparative clinical study.
    Ziegler G; Ploch M; Miettinen-Baumann A; Collet W · European journal of medical research · 2003
    Randomized trial202 participantsSleep Support forValerian
  14. Effects of a Valerian-Hops Extract Combination (Ze 91019) on Sleep Duration and Daytime Cognitive and Psychological Parameters in Occasional Insomnia: A Randomized Controlled Feasibility Trial.
    Schicktanz N; Gerhards C; Schlitt T; Aerni A; Müggler E; de Quervain D; Papassotiropoulos A; Boonen G; Drewe J; Butterweck V · Brain and behavior · 2025
    Randomized trial40 participantsSleep Support forValerian
  15. Valerian for sleep: a systematic review and meta-analysis.
    Bent S; Padula A; Moore D; Patterson M; Mehling W · The American journal of medicine · 2006
    Meta-analysis1,093 participants16 studies pooledSleep Support forValerian
  16. Oral intake of γ-aminobutyric acid affects mood and activities of central nervous system during stressed condition induced by mental tasks.
    Yoto A; Murao S; Motoki M; Yokoyama Y; Horie N; Takeshima K; Masuda K; Kim M; Yokogoshi H · Amino acids · 2012
    Randomized trial63 participantsStress Relief forGABA
  17. Relieving occupational fatigue by consumption of a beverage containing γ-amino butyric acid.
    Kanehira T; Nakamura Y; Nakamura K; Horie K; Horie N; Furugori K; Sauchi Y; Yokogoshi H · Journal of nutritional science and vitaminology · 2011
    Clinical trial30 participantsStress Relief forGABA
  18. Cortical gamma-aminobutyric acid and glutamate in posttraumatic stress disorder and their relationships to self-reported sleep quality.
    Meyerhoff DJ; Mon A; Metzler T; Neylan TC · Sleep · 2014
    Case-control study45 participantsStress Relief forGABA
  19. 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 forGABA
  20. 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