For humans, this amount would be equivalent to consuming about 3 grams of green tea per day, or three cups. Importance of standardized extractsHowever, according to the researcher, not all commercial green tea meets the necessary quality standards. The ideal for consumption would be to use standardized green tea extract, like those found in compounding pharmacies. Green tea managed to maintain this diameter, showing that it protects muscle against the harmful effects of obesity,” Otton explains. And in these animals, green tea had no effect.