L-Theanine 100 mg Mint Flavored

product on market Tablet or Pill Country Life 🟢 Safety: 100/100
Brand: Country Life
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Chewable Tablet(s) Serving Size
60 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Calories
5 Calorie(s)
Total Carbohydrates
1 Gram(s) (1% DV)
2.5 mg (147% DV)
✅ 1.9× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2.5mg UL 100mg
100 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 100mg

Other Ingredients

Sucrose Cellulose Citric Acid Stearic Acid Medium Chain Triglyceride Mint Flavor, Natural Magnesium Stearate Silica Stevia Leaf Extract

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 Dairy Free

Product Information

📋 Directions for Use

Directions: Adults chew one (1) chewable tablet with or without food.

⚠️ Warnings & Precautions

As a reminder, discuss the supplements and medication that you take with your health care providers. Caution: If you are pregnant, nursing, or taking medication, have a medical condition or planning surgery, consult a doctor before using this product.

Stop using and consult a doctor if any adverse reactions occur. Do not accept if a seal is broken.

Keep out of the reach of children.

🧪 Formulation Notes

Made with you in mind, Country Life offers L-Theanine in a delicious mint flavored, chewable tablet. Our L- Theanine is formulated with clinically researched Suntheanine, a form of L-Theanine with over 50 studies and patents.

Suntheanine helps promote relaxation, mental calmness and can help improve sleep quality.

Yes certified gluten-free by gfco.org No yeast or wheat No soy, milk or salt No artificial colors or flavors Igen Non-GMO Tested This product does not contain common GE genes or proteins. Visit igenprogram.com

Yes certified vegan by the AVA

Yes manufacturing supports wind power

This product has been manufactured at a GMP registered facility.

Igen Non-GMO Tested This product does not contain common GE genes or proteins. Visit igenprogram.com Certified B Corporation GF Certified Gluten-free

Fast acting Based on laboratory disintegration testing. Compared to non-chewable capsules and tablets.

Suntheanine

Mint flavored chewable tablet - no pills Promotes relaxation and mental calmness

Additional Information

Yes recyclable packaging

Our Pledge of Integrity Authenticity Cleanliness Freshness Consistency Accuracy

Store in a dry place between 59 degrees - 89 degrees F.

Product Details

UPC / SKU 0 15794 01414 0
DSLD Entry Date 2025-06-25
Product Type Other Combinations
Form Tablet or Pill
Brand Country Life
DSLD ID 333295
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
PubMed DOI
B The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis
Meta Analysis Sleep medicine reviews 2025
PubMed DOI
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010
PubMed DOI
B Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial
Rct Nutrients 2019
PubMed DOI
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
PubMed DOI
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
PubMed DOI
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
PubMed DOI
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
PubMed DOI
B The combined effects of L-theanine and caffeine on cognitive performance and mood
Rct Nutritional neuroscience 2008
PubMed DOI
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
PubMed DOI
View all evidence for L Theanine →

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