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Tao in a Bottle

product on market Capsule Ron Teeguarden's Dragon Herbs Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

L-theanine is supported by moderate evidence for promoting relaxation and cognitive focus. The proprietary extract formula lacks specific ingredient transparency, resulting in very limited available research for this specific blend. Overall evidence coverage for the product's combined profile is minimal.

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

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Tao in a Bottle
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Capsule(s)
Serving Size
20
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

300 mg
Market median: 200.0mg (358 products) 9 studies (A:0, B:2)
Proprietary Extract Formula
1050 mg

Other Ingredients

Pullulan Polysaccharide Rice, Powder Bamboo Extract, Powder Rice Extract Blend
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take 3 capsules, 2 times per day or as directed by a health care professional.

Warnings & Precautions

Keep out of the reach of children.

Formulation Notes

A complete stress management strategy in one bottle. Turn stress into success with this dual action stress fighting formula: defense and offense, relax and adapt. Most stress products only perform a sedation function. Tao in a Bottle is the only product that addresses stress management with both a defensive approach of relaxation and an offensive approach of conquering the stress by enhancing the body's adaptive ability. Tao has been achieved, in a bottle.

Pullulan caps - 100% natural, water-soluble polysaccharide produced through a fermentation process; vegetable origin; non-GMO; no starch, preservatives or chemical modifications; gluten free.

Pullulan caps - 100% natural, water-soluble polysaccharide produced through a fermentation process; vegetable origin; non-GMO; no starch, preservatives or chemical modifications; gluten free.

Additional Information

Tao in a Bottle 450 mg per capsule

Metadata

Product Details

UPC / SKU6 79372 00161 0
DSLD Entry Date2022-12-13
Product TypeOther Combinations
FormCapsule
DSLD ID279255
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.