L-Theanine 150 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 Vegetarian Capsule(s)
Serving Size
60
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Supplement Facts — Evidence Check
150 mg
📊 Market median: 200.0mg (358 products)
📚 9 studies (Tier A: 0, B: 2)
Other Ingredients
Rice Flour
Hydroxypropyl Methylcellulose
Vegetable 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
Vegan
Vegetarian
Adult (18 - 50 Years)
Gluten Free
Product Information
📋 Directions for Use
Suggested Daily Intake: Take 1 capsule daily or every 8 hours as needed.
⚠️ Warnings & Precautions
Warning: If you are pregnant or lactating, consult a healthcare professional before using this product.
Keep out of reach of children.
Do not use this product if the safety seal on the bottle is broken.
🧪 Formulation Notes
VG Vegan
Gluten free
Non-GMO
Premium quality guaranteed since 2001. BIOVEA is committed to product quality to support you and your family's wellness goals. Because we feel so strongly about the quality, potency and purity of our products, we 100% guarantee your satisfaction with every purchase.
Additional Information
GMP Compliant
Store in a cool, dry place.
Guaranteed premium quality
Relaxation
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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