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L-Theanine Chewable 200 mg Tropical Fruit

product on market Tablet or Pill Nature Made Safety: 100/100
100/100

This product looks safe

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

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

L-theanine is the primary active ingredient, which research suggests may promote relaxation and reduce stress. There is moderate evidence supporting its role in improving attention and cognitive function. Other listed ingredients are standard nutritional components with no significant therapeutic effects.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for L-Theanine Chewable 200 mg Tropical Fruit
Open Full PDF View on NIH DSLD →
Details

Label Data

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

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 (A:0, B:2)

Other Ingredients

Cane Sugar Xylitol Natural Flavors Stearic Acid Silicon Dioxide Citric Acid Salt Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

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.

Metadata

Product Details

UPC / SKU0 31604 00258 9
DSLD Entry Date2024-07-25
Product TypeNon-Nutrient/Non-Botanical
FormTablet or Pill
DSLD ID313831
Data Updated2026-04-11
Research

Research Evidence

37
Research Sources
53
Avg Quality
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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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.