🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

1 Tablet(s) Serving Size
50 Servings
Non-Nutrient/Non-Botanical Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Carbohydrates
2 Gram(s) (1% DV)
Sodium
5 mg (1% DV)
200 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 200mg

Other Ingredients

Cane Sugar Xylitol Natural Flavors Stearic Acid Silicon Dioxide Citric Acid Salt 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 Dairy Free

Product Information

📋 Directions for Use

Suggested use: Adults, chew 1 tablet per day as needed.

⚠️ Warnings & Precautions

Store tightly closed, in a cool, dry place, out of reach of children.

Do not use if seal under cap is broken or missing. Caution: Do not take more than 1 serving per day.

If you are pregnant, nursing, have a medical condition, or are taking medication, consult your physician before use.

🧪 Formulation Notes

Tropical fruit natural & artificial flavors

100% Drug free

Fast-acting stress relief without drowsiness Works within 30 minutes

No color added Gluten free No dairy 100% Drug free

Non habit forming

Vegetarian

Tableted and quality tested in the USA. Made to our guaranteed purity and potency standards.

Additional Information

#1 Pharmacist recommended vitamin & supplement brand Based on a survey of pharmacists who recommend branded vitamins and supplements.

Store tightly closed, in a cool, dry place, out of reach of children.

Product Details

UPC / SKU 0 31604 00258 9
DSLD Entry Date 2024-07-25
Product Type Non-Nutrient/Non-Botanical
Form Tablet or Pill
Brand Nature Made
DSLD ID 313831
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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