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Sleep Answer

product on market Capsule Doctors' Preferred Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile includes L-Tryptophan, GABA, and Glycine, which are researched for their roles in supporting sleep onset and quality. Passionflower extract is also utilized for its calming effects. However, overall evidence coverage for this specific formulation is limited, indicating a lack of extensive clinical data for the combined ingredients.

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

Label

Product Label

Label for Sleep Answer
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegan Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

3.3 mg (21% DV)
Within RDA (0.2× RDA) 196 studies (A:5, B:63)
200 mg
Market median: 500.0mg (70 products)
Gamma-Aminobutyric Acid
100 mg
Glycine
50 mg
Market median: 250.0mg (60 products) 7 studies (A:0, B:1)
Hops Flower Extract
20 mg
20 mg
Market median: 400.0mg (142 products) 10 studies (A:0, B:2)
4 mg
Market median: 3.0mg (984 products) 240 studies (A:2, B:109)

Other Ingredients

Hypromellose Magnesium Stearate Dicalcium Phosphate Maltodextrin
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Doctor's suggested use: Take 1 capsule 30 to 60 minutes before bedtime with water.

Warnings & Precautions

Precautions: Only for adults over 18 years. Keep out of reach of children.

Do not use with alcohol, when driving, or while operating heavy machinery.

Consult a health care practitioner before use if you are taking any medications, have a medical condition, or are pregnant or nursing.

Discontinue use two weeks prior to surgery.

Formulation Notes

GF Gluten Free

Safe & Effective Fall asleep faster, enjoy deep sleep, & wake up feeling rested

Unconditionally guaranteed for purity and labeled potency.

Additional Information

Verified by Ken Redcross, MD Sleep Answer is recommended by Ken Redcross, MD, board-certified internist, Healthy Directions doctor, and best-selling author with 20+ years of experience treating patients. The blend of seven key ingredients in Sleep Answer has earned his seal of approval for maximum effectiveness.

Get to know the doctors at DoctorsPreferred.com Doctor Verified Formula

Triple tested cGMP certified facility

To preserve quality and freshness, store bottle with cap tightly closed in a cool, dry place.

Metadata

Product Details

UPC / SKU8 10047 39115 9
DSLD Entry Date2024-07-25
Product TypeOther Combinations
FormCapsule
BrandDoctors' Preferred
DSLD ID309884
Data Updated2026-04-11
Research

Research Evidence

241
Research Sources
55
Avg Quality
113
Meta Analysis
75
Systematic Review
32
Rct
11
Clinical Trial
3
Other
3
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013 PubMed DOI
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014 PubMed DOI
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024 PubMed DOI
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010 PubMed DOI
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010 PubMed DOI
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019 PubMed DOI
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016 PubMed DOI
View all evidence for Niacin →
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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.