An antioxidant-promoting composition, that increase antioxidant defence potential in a subject is disclosed comprising Bacopa monniera extract; milk thistle extract, ashwagandha powder, green tea extract, Gotu kola powder, Ginko biloba leaf extract; Aloe vera powder; turmeric extract; and N-acetyl cysteine. The antioxidant-promoting composition of the invention safety induces cellular antioxidant potential to achieve an averhall net decrease in oxidative stress without the undesirable side-effects associated with the individual components of the antioxidant-promoting composition. Also disclosed is a method for reducing the undesirable side-effects of free radical in a subject by administering to a subject in need of such antioxidants an effective amount of antioxidant-promoting composition of the invention.