Overview Epigallocatechin-3-gallate (EGCG) is the principal polyphenol catechin in green tea (Camellia sinensis), comprising ~50–60% of the catechin content of green tea extract (GTE). It is among the most studied plant polyphenols in biomedical research, with evidence spanning antioxidant…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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