Green Tea Extract by 21st Century — Ingredients, Evidence & Safety

Product Label

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Label Data

2 Vegetarian Capsule(s) Serving Size

30 Servings

Botanical Product Type

100% Evidence Coverage

Supplement Facts — Evidence Check

Green Tea extract

300 mg

📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)

This product: 300mg

Other Ingredients

Rice Bran Oat Fiber Cellulose Silicon Dioxide Magnesium Silicate Contains Less Than 2% of

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (86% of products) Nutrient (9% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Directions: As a herbal supplement, adults take two (2) capsules daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.

⚠️ Warnings & Precautions

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

🧪 Formulation Notes

No added Sugar, Salt, Yeast, Preservatives or Artificial Flavors.

100% Vegetarian.

Gluten free

Green Tea Extract (Camellia sinensis) contains natural polyphenols which act as powerful antioxidants.

Additional Information

Individual results may vary.

Store at room temperature.

Standardized Antioxidant Support

Gluten free

Guaranteed quality Laboratory tested

500076-0916N

Product Details

UPC / SKU 7 40985 21592 0

DSLD Entry Date 2019-08-23

Product Type Botanical

Form Capsule

Brand 21st Century

DSLD ID 205747

Data Updated 2026-04-11

Research Evidence

188 Research Sources

56 Avg Quality Score

101 Meta Analysis

58 Systematic Review

15 Clinical Trial

13 Rct

1 Openfda Safety

A The effect of Green green tea consumption on body mass index, lipoprotein, liver enzymes, and liver cancer: An updated systemic review incorporating a meta-analysis

Meta Analysis Critical reviews in food science and nutrition 2024

PubMed DOI

A Green Tea Consumption and Risk of Breast Cancer and Recurrence-A Systematic Review and Meta-Analysis of Observational Studies

Meta Analysis Nutrients 2018

PubMed DOI

A Green tea (Camellia sinensis) for the prevention of cancer

Meta Analysis The Cochrane database of systematic reviews 2020

PubMed DOI

A The Effect of Antioxidant Polyphenol Supplementation on Cardiometabolic Risk Factors: A Systematic Review and Meta-Analysis

Meta Analysis Nutrients 2024

PubMed DOI

B Green tea for weight loss and weight maintenance in overweight or obese adults