Home/ Supplements/ L Theanine/ Advanced Sleep Support

Advanced Sleep Support

product on market Capsule The Vitamin Shoppe Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 57% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains L-theanine, GABA, and botanical extracts like valerian and passion flower, which are supported by moderate evidence for promoting relaxation and sleep quality. These ingredients typically work by modulating neurotransmitters to reduce sleep latency. Research indicates these components are generally well-tolerated when used as directed.

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

Label

Product Label

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

Label Data

2 Veggie Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
57%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Hops
150 mg
Passion Flower
150 mg
150 mg
Market median: 300.0mg (214 products) 25 studies (A:0, B:6)
100 mg
Market median: 200.0mg (358 products) 9 studies (A:0, B:2)
Gamma-Aminobutyric Acid
100 mg
50 mg
Market median: 100.0mg (116 products) 18 studies (A:0, B:3)
1.5 mg
Market median: 3.0mg (984 products) 240 studies (A:2, B:109)

Other Ingredients

Dicalcium Phosphate Cellulose Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: As a dietary supplement, take two (2) veggie capsules daily prior to bedtime.

Warnings & Precautions

Not for use with alcohol or when operating a vehicle or heavy machinery.

WARNING: Consult your healthcare provider prior to use if you are pregnant, nursing, taking any medication or have any medical conditions.

KEEP OUT OF REACH OF CHILDREN.

TAMPER EVIDENT Do not use if outer seal is broken or missing.

Formulation Notes

gluten free dairy free soy free nut free

Does not contain: Yeast, Wheat, Gluten, Sugar, Salt, Soy, Dairy, Citrus, Fish, Animal Derivatives, Preservatives, Artificial Colors or Flavors.

Additional Information

specialty

relaxation sleep

{veggie capsule} actual size

STORE IN A COOL, DRY PLACE.

Visit www.vitaminshoppe.com or call 1-800-223-1216 for more information and to reorder.

Item No. VS-4252 1776814 CO 3

Metadata

Product Details

UPC / SKU7 66536 04252 4
DSLD Entry Date2014-07-25
Product TypeOther Combinations
FormCapsule
DSLD ID35612
Data Updated2026-04-11
Research

Research Evidence

37
Research Sources
53
Avg Quality
22
Rct
10
Systematic Review
3
Meta Analysis
1
Clinical Trial
1
Openfda Safety
B Examining the effect of L-theanine on sleep: a systematic review of dietary supplementation trials
Systematic Review Nutritional neuroscience 2026 PubMed DOI
B The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis
Meta Analysis Sleep medicine reviews 2025 PubMed DOI
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010 PubMed DOI
B Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial
Rct Nutrients 2019 PubMed DOI
B The Role of Supplements and Over-the-Counter Products to Improve Sleep in Children: A Systematic Review
Systematic Review International journal of molecular sciences 2023 PubMed DOI
B Effects of Tea (Camellia sinensis) or its Bioactive Compounds l-Theanine or l-Theanine plus Caffeine on Cognition, Sleep, and Mood in Healthy Participants: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Meta Analysis Nutrition reviews 2025 PubMed DOI
B Effect of Alpha-S1-Casein Tryptic Hydrolysate and L-Theanine on Poor Sleep Quality: A Double Blind, Randomized Placebo-Controlled Crossover Trial
Rct Nutrients 2022 PubMed DOI
B Effect of L-theanine on selective attention in a traffic-related reaction task in sleep-deprived young adults: a double-blind placebo-controlled, crossover study
Rct Nutritional neuroscience 2025 PubMed DOI
B The combined effects of L-theanine and caffeine on cognitive performance and mood
Rct Nutritional neuroscience 2008 PubMed DOI
B Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2014 PubMed DOI
View all evidence for L Theanine →
Compare

Similar Products

View all L Theanine products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.