... O.KtzeActive Ingredients1. Tea polyphenol 40% (Catechin:25%, EGCG:12%, Caffeine:8%)2. Tea polyphenol 80% (Catechin:60%, EGCG:25 ... %, Caffeine:10%)3. Tea polyphenol 95% (Catechin:70%, EGCG:40%, Caffeine:1%)4. Tea polyphenol 98% ( ... Catechin:80%, EGCG:50%, Caffeine:0.5%)Part of useLeafShelf Life2 yearsPhysical CharacteristicsAppearanceBrown yellow fine ...