Abstract: Provided is a method for protecting an individual against radiation-induced internal damage that comprises administering an effective amount of an oral composition. The oral composition comprises a mixture of Gynostemma pentaphyllum, Crataegus pinnatifida (hawthorn), and Camellia sinensis (green tea) to an individual so that radiation-induced internal damage will be prevented or ameliorated.

Abstract: Provided is a method for protecting an individual against radiation-induced internal damage that comprises administering an effective amount of an oral composition. The oral composition comprises a mixture of Gynostemma pentaphyllum, Crataegus pinnatifida (hawthorn), and Camellia sinensis (green tea) to an individual so that radiation-induced internal damage will be prevented or ameliorated.

Abstract: Provided is a method for therapy of a pulmonary disease, the method comprising administering to an individual a composition in an amount effective to inhibit pulmonary inflammation, wherein the composition comprises an extract of Gynostemma pentaphyllum, an extract of Crataegus pinnatifida, and an extract of Camellia sinensis.

Abstract: Provided is an herbal extract-based composition comprising an extract of Gynostemma pentaphyllum, an extract of Crataegus pinnatifida (hawthorn leaves or berries), and an extract of Camellia sinensis (green tea). Also provided is a process for preparing a herbal extract-based composition which comprises separately extracting each of hawthorn berries, green tea leaves, and Gynostemma pentaphyllum leaves; drying extraction eluates obtained from the extracting of each of hawthorn berries, green tea leaves, and Gynostemma pentaphyllum leaves to obtain organic residues in forming a hawthorn berry extract powder, green tea extract powder, and a Gynostemma pentaphyllum extract powder; and combining the green tea extract powder, the Gynostemma pentaphyllum extract powder, and the hawthorn berry extract powder in desired proportions to form the herbal extract-based composition which has health promoting effects including potent inhibition of free radicals.