Tea leaves, which after harvesting, are stabilized by steam pressure, preventing enzymatic oxidation.
States of asthenia and lack of energy. It is also used as an adjuvant for weight control.
The protein is a stimulant, increasing waking state and has an ergogenic effect (increases the capacity of physical effort). Stimulates skeletal muscle and breathing centers. It also increases fluid elimination.
Catechins have extensively been studied pharmacologically due to their antioxidant properties.
The teaflavins present in green tea have been shown to possess antioxidant, anti-inflammatory and immunomodulatory activity.
Leaves and roots. Often its aerial parts are sold; aerial parts and roots are mixed, inflorescence free.