All Green Tea articles
- EGCG & Green Tea Catechins: The Evidence Base Science & Benefits
What green tea catechins and EGCG do, by the evidence: antioxidant capacity, thermogenesis, lipids, blood pressure and cognition - plus a safety guardrail.
- Green Tea Catechins: Total Polyphenols by Folin-Ciocalteu vs EGCG by HPLC Testing & Quality
Green tea extract is sold on three nested numbers: total polyphenols by Folin-Ciocalteu, total catechins and EGCG by HPLC.
- Green Tea Extract Buyer's Guide: Specs, Grades & Documentation Buyer's Guide
How to buy green tea extract: specify polyphenols, catechins and EGCG, read a CoA, set caffeine and grade, and meet EU and US documentation.
- Green Tea Extract Dosage Guide: EGCG per Serving, the 800 mg Ceiling and Caffeine Formulation
How to dose green tea extract by EGCG rather than milligrams of powder: the safe-intake findings (338 mg EGCG/day solid dose), the 800 mg/day hepatotoxicity signal.
- Green Tea Extract in the Weight-Management Market Market
How green tea extract is positioned in the weight-management category: demand drivers, formulation pairings and responsible-claims guidance for brands.
- Green Tea Extract Standardisation: Polyphenols, Catechins & EGCG by UV and HPLC Testing & Quality
Why green tea extract's polyphenol, catechin and EGCG numbers differ: UV vs HPLC assays explained, and how to read the standardisation on a CoA.
- Sourcing Green Tea Extract: Origin, Raw Material & Supplier Qualification Sourcing
Sourcing bulk green tea extract: Indian tea origins, raw-material quality, contaminant control and a supplier-qualification checklist for buyers.
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