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Zizzz

product on market Capsule Princess Lifestyle Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Melatonin is supported by strong evidence for improving sleep onset and duration. However, the proprietary blend lacks transparency, making it difficult to assess the efficacy of other components. Overall evidence coverage for this specific formulation is limited.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Zizzz
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Proprietary Blend
1000 mg
3 mg
Market median: 3.0mg (984 products) 240 studies (A:2, B:109)

Other Ingredients

Gelatin
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Direction: As a dietary supplement. Take 2 capsules 30 minutes before bedtime.

Warnings & Precautions

Caution: This herbal formula may cause drowsiness. Not to drive or operate heavy machinery while taking this herbal formula. For adult use only at bedtime.

Keep out of reach of children.

Do not use if pregnant or nursing.

Formulation Notes

Supports for the body function of sleep

Additional Information

Store in a cool and dry place at room temperature.

Made in USA

Metadata

Product Details

UPC / SKU6 87729 00018 6
DSLD Entry Date2021-01-22
Product TypeOther Combinations
FormCapsule
BrandPrincess Lifestyle
DSLD ID240509
Data Updated2026-04-11
Research

Research Evidence

291
Research Sources
55
Avg Quality
129
Meta Analysis
93
Systematic Review
51
Rct
11
Clinical Trial
2
Other
2
Regulatory Source
1
Openfda Safety
A Interventions for preventing delirium in hospitalised non-ICU patients
Meta Analysis The Cochrane database of systematic reviews 2016 PubMed DOI
A Melatonin for preoperative and postoperative anxiety in adults
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Effect of melatonin on quality of life and symptoms in patients with cancer: a systematic review and meta-analysis of randomised controlled trials
Meta Analysis BMJ open 2022 PubMed DOI
B Pharmacological interventions for prevention of weight gain in people with schizophrenia
Meta Analysis The Cochrane database of systematic reviews 2022 PubMed DOI
B Melatonin for pre- and postoperative anxiety in adults
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
B Prevention of depression in adults with long-term physical conditions
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
B Comparative effects of pharmacological interventions for the acute and long-term management of insomnia disorder in adults: a systematic review and network meta-analysis
Systematic Review Lancet (London, England) 2022 PubMed DOI
B Does melatonin administration reduce the incidence of postoperative delirium in adults? Systematic review and meta-analysis
Meta Analysis BMJ open 2023 PubMed DOI
B Second-generation antidepressants for preventing seasonal affective disorder in adults
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
B Interventions for preventing type 2 diabetes in adults with mental disorders in low- and middle-income countries
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
View all evidence for Melatonin →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.