From Vitacost's website:
Vitacost Green Tea Extract
Green Tea Extract (leaf) standardized to 98% polyphenols (490 mg), 80% catechins (400 mg), 50% epigallocatechin-3P-gallate (EGCG)(250 mg)
Amount Per Serving: 500mg
https://www.vitacost.com/vitacost-green-tea-extract-standard...