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Oolong Tea Extract

product on market Powder BulkSupplements.com Safety: 60/100
60/100

Review before taking

  • Oolong Tea extract: 500mg is 1.2× the Tolerable Upper Intake Level (400mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

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

Oolong tea extract contains polyphenols and catechins that may support metabolic rate and weight management, though clinical evidence is limited. Due to its caffeine content and potential for drug interactions, some safety concerns exist. Users should be mindful of potential stimulant effects.

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

Alerts

Safety Alerts

Oolong Tea extract: 500mg is 1.2× the Tolerable Upper Intake Level (400mg)

AI-generated · Qwen 3.6 · grounded in 2 sources · methodology

This product received a low safety score because it contains 500mg of Oolong Tea extract, which exceeds the recommended daily upper limit of 400mg.

Label

Product Label

Label for Oolong Tea Extract
Open Full PDF View on NIH DSLD →
Details

Label Data

500 mg
Serving Size
1000
Servings
Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Exceeds UL by 1.2× (UL: 400 mg) 49 studies (A:1, B:19)

Other Ingredients

None
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Warnings & Precautions

Always consult a physician before taking any dietary supplement.

Keep out of reach of children.

Suggested Use: As a dietary supplement, take 500 mg (about 1/5 tsp) once or twice daily, or as directed by a physician.

Formulation Notes

Color may vary

Free Of: Added sugar, soy, dairy, yeast, gluten, additives

Additional Information

Clean & pure bulk supplements

Store in a dry, cool place

Metadata

Product Details

UPC / SKUX001I00OOJ
DSLD Entry Date2021-09-24
Product TypeBotanical
FormPowder
DSLD ID254982
Data Updated2026-04-11
Research

Research Evidence

82
Research Sources
51
Avg Quality
28
Rct
19
Meta Analysis
17
Clinical Trial
16
Systematic Review
A Preconception lifestyle advice for people with infertility
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
B The effects of caffeine intake on weight loss: a systematic review and dos-response meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2019 PubMed DOI
B Effects of caffeine chewing gum supplementation on exercise performance: A systematic review and meta-analysis
Meta Analysis European journal of sport science 2023 PubMed DOI
B Genetic susceptibility to caffeine intake and metabolism: a systematic review
Systematic Review Journal of translational medicine 2024 PubMed DOI
B Pharmacological interventions for sleepiness and sleep disturbances caused by shift work
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
B Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2022 PubMed DOI
B The effects of green tea extract supplementation on body composition, obesity-related hormones and oxidative stress markers: a grade-assessed systematic review and dose-response meta-analysis of randomised controlled trials
Meta Analysis The British journal of nutrition 2024 PubMed DOI
B Effect of green tea catechins with or without caffeine on anthropometric measures: a systematic review and meta-analysis
Systematic Review The American journal of clinical nutrition 2010 PubMed DOI
B Caffeine, CYP1A2 Genotype, and Endurance Performance in Athletes
Rct Medicine and science in sports and exercise 2018 PubMed DOI
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010 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.