🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

0.6 mL Serving Size
50 Servings
Botanical Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Total Carbohydrates
1 Gram(s)
📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)
This product: 102mg
Stevia Leaf Extract
0.6 mg

Other Ingredients

Glycerin Water Oleic Acid Polyglyceride Sunflower Lecithin Fruit Punch flavor Xanthan Gum Potassium Citrate Rosmarinic Acid Mixed Tocopherols

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 Dairy Free

Product Information

📋 Directions for Use

Suggested use: As a dietary supplement, hold nozzle 1" from mouth, spray three times and swallow. Use once daily or as directed by your healthcare practitioner. Shake well before each use.

⚠️ Warnings & Precautions

Keep out of reach of children.

Warning: If pregnant or nursing, consult your healthcare practitioner before taking this product.

🧪 Formulation Notes

Promotes calm & relaxation Support for a good night's sleep Encourages mental focus and alertness

Vegetarian

Gluten free Soy free Dairy free

Color, flavor and sweetness of this product may vary due to variations of natural ingredients. Restore your natural rhythm

L-Theanine triggers the production of alpha brain waves, which promote deep relaxation and mental alertness - without causing drowsiness.

Additional Information

Store in a cool, dry place. Best if used within 60 days of opening.

Product Details

UPC / SKU 7 64804 31752 7
DSLD Entry Date 2024-10-24
Product Type Botanical
Form Liquid
DSLD ID 317916
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
Systematic Review Nutritional neuroscience 2026
B The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis
Meta Analysis Sleep medicine reviews 2025
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010
B Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial
Rct Nutrients 2019
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
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
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
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
B The combined effects of L-theanine and caffeine on cognitive performance and mood
Rct Nutritional neuroscience 2008
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
View all evidence for L Theanine →

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