with 250mg of polyphenols per tablet,convenient one-a-day tablets,sustainably sourcedthese tablets contain a premium-grade standardised green tea leaf extract, specially formulated to provide 250mg polyphenols per tablet, a class of unusual sounding, naturally occurring compounds also found in red wine and grapes. these compounds are believed to be the secret of green tea\'s powerful properties.our tablets are taste-free, making them ideal for people who don\'t like green tea, and suitable for vegetarians.to ensure the very best quality and a high level of polyphenols, the green tea is sustainably sourced. the whole green tea leaves are harvested young and unlike black tea, the leaves are unfermented.