L-Theanine 200 mg
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
A
Label Compliance Grade
Product Label
Have a supplement label? Find it here.
Upload a photo of any supplement label to search our database of 92,312 products.
Label Data
1 Capsule(s)
Serving Size
200
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Supplement Facts — Evidence Check
200 mg
📊 Market median: 200.0mg (358 products)
📚 9 studies (Tier A: 0, B: 2)
Other Ingredients
Hypromellose
Maltodextrin
Stearate
Label Claims — Verification
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (92% of products)
Nutrient (22% of products)
Target Groups
Adult (18 - 50 Years)
Women (not pregnant or lactating)
Gluten Free
Product Information
📋 Directions for Use
Suggested use: Take 1 or 2 capsules daily or as recommended by your healthcare practitioner.
⚠️ Warnings & Precautions
Warning: Consult with a healthcare practitioner before taking this.
Do not take this if you are pregnant, nursing, or under the age of 18.
Do not take this if you are pregnant, nursing, or under the age of 18.
If you experience adverse reactions from taking this product, discontinue immediately and contact a healthcare practitioner.
Keep out of reach of children
🧪 Formulation Notes
Aways Non-GMO Gluten free Preservative free
Lab Tested
Promotes relaxation and rest
Additional Information
Store in a cool, dry place.
Unlock your potential
Product Details
UPC / SKU
80844TR8RV
DSLD Entry Date
2024-10-24
Product Type
Non-Nutrient/Non-Botanical
Form
Capsule
Brand
Pure Nootropics
DSLD ID
316584
Data Updated
2026-04-11
Research Evidence
37
Research Sources
53
Avg Quality Score
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
B
The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis
B
The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
B
Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial
B
The Role of Supplements and Over-the-Counter Products to Improve Sleep in Children: A Systematic Review
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
B
Effect of Alpha-S1-Casein Tryptic Hydrolysate and L-Theanine on Poor Sleep Quality: A Double Blind, Randomized Placebo-Controlled Crossover Trial
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
Compare Similar Products
L-Theanine
XYMOGEN
100
L-Theanine
XYMOGEN
100
Thea-Zen
HBC Protocols
100
L-Theanine 100 mg
Newflower Farmers Markets
100
L-Theanine 200 mg
Vitamin World
100