$28.99 $0.96 per serving
Product analysis
Rest-ZZZ Melatonin-Free may offer modest sleep support through chamomile and magnesium, though results vary. The valerian and lemon balm amounts are too small to add meaningful support.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality26
Magnesium and passionflower have named sources, while most other preparations are unspecified. Quality information is incomplete, limiting a clear comparison of the full blend.
Ingredient Transparency73
All ingredient amounts are disclosed. Most forms are missing, making comparisons with specific preparations harder.
Value For Money35
The full serving cost is relatively high for the GABA, hawthorn and valerian contributions. Value remains uncertain for most other ingredients.
Customer Satisfaction65
Customer ratings suggest a generally positive experience. The small review history gives a narrower picture of satisfaction.
Product Focus70
Sleep and stress support are related aims of the blend, with modest or inconsistent evidence. Small valerian and lemon balm amounts contribute little to those aims.
- Format
Capsule - Container
- 60 Capsule(s)
- Per serving
- $0.96
- Customer rating
- 4.4 · 75 ratings
Goals
Impact
High effect
Magnesium · 100 mg
Impact
High effect
Magnesium · 100 mgGABA · 100 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Magnesium (Magnesium Amino Acid Complex) | 100 mg | |
Chamomile flower extract | 200 mg | |
Passion Flower extract (Flavonoids) | 175 mg | |
GABA | 100 mg | |
Hawthorn | 100 mg | |
Valerian root extract | 100 mg | |
Lemon Balm | 50 mg |
GABA · 100 mg OverallScore69
The serving declares 100 mg of GABA. The cost per serving is high. GABA is named without a specific source or production method. The Other Ingredients panel lists at least one flow aid.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
GABA is named without a specific source or production method.
GABA Source & Production Method
GABA is named without a specific source or production method.
Dose, Safety & Label Transparency82
The serving declares 100 mg of GABA. The Other Ingredients panel lists at least one flow aid.
GABA Dosage Adequacy & Transparency
The serving declares 100 mg of GABA.
Label Purity & Excipient Quality
The Other Ingredients panel lists at least one flow aid.
Value40
The cost per serving is high.
Price per Effective Dose
The cost per serving is high.
Valerian · 100 mg OverallScore58
Each serving provides 100 mg valerian at a high cost per serving. It uses valerian root extract. The extract ratio and valerenic acid percentage are unknown.
How this ingredient is rated
Composition and Label Disclosure40
It uses valerian root extract. The extract ratio and valerenic acid percentage are unknown.
Marker and Preparation Disclosure
It uses valerian root extract. The extract ratio and valerenic acid percentage are unknown.
Composition and Label Disclosure100
The valerian amount and valerian root extract are stated.
Individual Preparation Amount Disclosure
The valerian amount and valerian root extract are stated.
Commercial Price and Usability10
The cost per serving is high.
Commercial Price per Labeled Serving
The cost per serving is high.
Hawthorn · 100 mg OverallScore26
A serving of two capsules provides 100 mg of hawthorn. The saved facts do not identify the species or provide a marker percentage.
How this ingredient is rated
Composition and Label Disclosure29
The saved facts do not provide a marker percentage or preparation ratio for the hawthorn. The hawthorn species is not identified in the saved facts.
Marker and Preparation Disclosure
The saved facts do not provide a marker percentage or preparation ratio for the hawthorn.
Species Name Disclosure
The hawthorn species is not identified in the saved facts.
Composition and Label Disclosure
No dose or safety rules were evaluated for hawthorn.
Commercial Price and Usability20
A whole-product serving costs about $0.97. Serving prices alone do not establish equivalent hawthorn amounts.
Commercial Price per Labeled Serving
The whole-product serving costs about $0.97.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Safety and Efficacy of Gamma-Aminobutyric Acid from Fermented Rice Germ in Patients with Insomnia Symptoms: A Randomized, Double-Blind Trial.
- Analysis of the Effects of Known Sleep-Support Supplements in Relation to Life Habits, Sleep Conditions, and Sleep Problems.
- Reduced γ-aminobutyric acid in occipital and anterior cingulate cortices in primary insomnia: a link to major depressive disorder?
- 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.
- Effects of magnesium and potassium supplementation on insomnia and sleep hormones in patients with diabetes mellitus.
- Association of magnesium intake with sleep duration and sleep quality: findings from the CARDIA study.
- Lidocaine vs. magnesium: effect on analgesia after a laparoscopic cholecystectomy.
- The effect of magnesium supplementation on primary insomnia in elderly: A double-blind placebo-controlled clinical trial.
- A randomized, double-blind, placebo-controlled, multicenter study assessing the efficacy of magnesium oxide monohydrate in the treatment of nocturnal leg cramps.
- Standardized Extract of Valeriana officinalis Improves Overall Sleep Quality in Human Subjects with Sleep Complaints: A Randomized, Double-Blind, Placebo-Controlled, Clinical Study.
- Comparison the effect of valerian and gabapentin on RLS and sleep quality in hemodialysis patients: A randomized clinical trial.
- 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.
- 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.
- Valerian for sleep: a systematic review and meta-analysis.
- Oral intake of γ-aminobutyric acid affects mood and activities of central nervous system during stressed condition induced by mental tasks.
- Relieving occupational fatigue by consumption of a beverage containing γ-amino butyric acid.
- Cortical gamma-aminobutyric acid and glutamate in posttraumatic stress disorder and their relationships to self-reported sleep quality.
- 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.
- Role of magnesium supplementation in the treatment of depression: A randomized clinical trial.
- Effects of Intravenous Esketamine or Magnesium Sulfate on Early Postoperative Negative Emotions and Pain in Patients Undergoing Endoscopic Sinus Surgery: A Randomized Controlled Trial.