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Enhanced Sleep Formula

product on market Capsule GNC Preventive Nutrition Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 44% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains magnesium and zinc, which have moderate evidence for supporting sleep quality and relaxation. Vitamin C, B-6, and folic acid contribute to metabolic functions and neurotransmitter synthesis. Overall, the evidence coverage for this specific ingredient combination is limited.

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

Label

Product Label

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

Label Data

2 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
44%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
30 mg (50% DV)
2 mg (100% DV)
1.5× RDA — within safe limits 114 studies (A:3, B:35)
100 mcg (25% DV)
Within RDA (0.2× RDA) 226 studies (A:10, B:105)
20 mg (5% DV)
Market median: 500.0mg (1 products) 316 studies (A:8, B:159)
10 mg (67% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
Calming & Relaxation Complex
Sleep Inducing Blend
Antioxidant Replenishment System
Circulation Optimizing Blend

Other Ingredients

Gelatin Cellulose L-Arginine Titanium Dioxide FD&C Blue #1
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take two capsules before bedtime.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

WARNING: For adult use only at bedtime.

This product is not to be taken by pregnant or lactating women. If you are taking medication or have a medical condition, consult a physician before using this product.

Do not use in conjunction with alcoholic beverages, when driving a vehicle, or while operating machinery.

Formulation Notes

No Sugar, No Artificial Flavors, No Wheat, No Gluten, No Soy, No Dairy.

Additional Information

Store in a cool, dry place.

PHYSICIAN ENDORSED

CODE 714512 ING

Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Lot No./Best By:

PHYSICIAN FORMULATED NUTRITION SYSTEMS - Features premium, clinically studied ingredients that support restful sleep - Provides extended sleep support with sustained release melatonin

Metadata

Product Details

UPC / SKU0 48107 11842 6
DSLD Entry Date2013-11-25
Product TypeOther Combinations
FormCapsule
DSLD ID27312
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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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.