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Sun Theanine 200 mg

product on market Capsule Paradise Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

SunTheanine is a form of L-theanine, an amino acid researched for its ability to promote relaxation and reduce stress. There is strong evidence supporting its role in improving attention and cognitive function. This ingredient profile is generally considered safe for consumption.

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

Label

Product Label

Label for Sun Theanine 200 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetarian Capsule(s)
Serving Size
30
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 200.0mg (358 products) 9 studies (A:0, B:2)

Other Ingredients

Vegetarian Capsule
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Take 1 vegetarian capsule 1-2 times daily or as directed by a qualified health care professional.

Warnings & Precautions

Warning: Keep in a cool dry place, out of the reach of children.

If pregnant, nursing, or using any prescription medication consult your health care professional before using this product.

Formulation Notes

Quality - purity - potency We are dedicated to sourcing premium ultra pure ingredients that meet the highest standards of excellence.

What is Sun Theanine SunTheanine is a patented pure form of L-theanine, clinically researched and backed by more than 40 U.S. and international patents. It has been shown to reduce stress and stress associated imbalances and promote relaxation without inducing drowsiness.

Calm + relax + anti-stress nutrient

Sun Theanine Ultimate 200 mg potency

Vegan

Made with Non-GMO ingredients Gluten free

Contains no common allergens. Made without fillers.

Manufactured in the USA. GMP Quality Assured & FDA Registered.

We never add unnecessary fillers, binders, preservatives or glow agents to our encapsulation process.

Additional Information

Warning: Keep in a cool dry place, out of the reach of children.

Enhancing Nature's Miracles Since 1994

Paradise products have won over a decade of Best of Supplements Awards.

Metadata

Product Details

UPC / SKU6 01944 77758 6
DSLD Entry Date2023-08-24
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
DSLD ID289053
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
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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.