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For Stress With L-Theanine 100 mg

product on market Capsule Vita+Apps By V Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

L-theanine is supported by moderate evidence for its ability to promote relaxation and reduce stress levels. Research indicates it may improve attention and mental alertness without causing sedation. This ingredient profile maintains a high safety rating for general consumption.

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

Label

Product Label

Label for For Stress With L-Theanine 100 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

100 mg
Market median: 200.0mg (358 products) 9 studies (A:0, B:2)

Other Ingredients

Rice Flour Gelatin Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

DIRECTIONS: As a dietary supplement, one (1) capsule two (2) to three (3) times daily.

Warnings & Precautions

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

Does not contain: Yeast, Corn, Wheat, Gluten, Soy, Dairy, Citrus, Fish, Artificial Colors or Flavors.

gluten free dairy free soy free nut free

Additional Information

{capsule} actual size

access code: FPO123456789 Peel Here

STORE IN A COOL, DRY PLACE.

Visit www.vitaminshoppe.com or call 1-888-482-9424 for more information and to reorder.

Clinically studied ingredient

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Item No. VS-3410 2040251 FP 52

Metadata

Product Details

UPC / SKU7 66536 03410 9
DSLD Entry Date2016-02-23
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
DSLD ID56342
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
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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.