L-Theanine
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
120
Servings
Amino acid/Protein
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
Vegetable Capsule
Cellulose
Magnesium Stearate
Label Claims — Verification
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (92% of products)
Nutrient (22% of products)
Target Groups
Vegetarian
Adult (18 - 50 Years)
Gluten Free
Product Information
📋 Directions for Use
Directions: Take 1-2 capsules daily or as directed by your healthcare practitioner.
⚠️ Warnings & Precautions
CAUTION: Keep out of reach of children.
• Pharmaceutical Grade • Professional Use Only
🧪 Formulation Notes
DOES NOT CONTAIN: Wheat, gluten, yeast, dairy products, artificial colors, sweeteners or preservatives.
Additional Information
STORAGE: Keep tightly closed in a cool, dry place.
Patented Ingredient Supports Calming and Relaxation
This package is completely recyclable (recycle)
VEGETABLE CAPSULES
EXCLUSIVE PROFESSIONAL FORMULAS
REV. 061909
Product Details
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
Thea-Zen
HBC Protocols
100
L-Theanine 100 mg
Newflower Farmers Markets
100
L-Theanine 200 mg
Vitamin World
100
L-Theanine 200 mg
Vitamer Laboratories
100