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
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Label Data
1 Capsule(s)
Serving Size
120
Servings
Other Combinations
Product Type
100%
Evidence Coverage
Supplement Facts — Evidence Check
200 mg
📊 Market median: 200.0mg (358 products)
📚 9 studies (Tier A: 0, B: 2)
50 mg
📊 Market median: 250.0mg (60 products)
📚 7 studies (Tier A: 0, B: 1)
Other Ingredients
Gelatin
Magnesium Stearate
Silicon Dioxide
Microcrystalline Cellulose
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)
Gluten Free
Product Information
📋 Directions for Use
Directions: As a dietary supplement for adults, take 1 capsule per day, preferably on an empty stomach or as directed by a healthcare professional.
⚠️ Warnings & Precautions
Warning: if you are pregnant, nursing or taking any medications, consult your healthcare professional before use.
Do not use if seal under cap is broken or missing.
Keep out of reach of children.
🧪 Formulation Notes
Helps support a positive mood Promotes relaxation
120 count
Non-gmo Gluten-free Soy-free
Lab tested Made from high quality ingredients
Additional Information
Store at room temperature.
365 days 100% money back guaranteed
GMP good manufacturing practice
Nutrition questions or comments? Call 1-800-235-3200 Mon. - Fri. 7 AM - 6 PM MST Sat. 8 AM - 4:30 PM MST
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
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