The present invention relates to a composition consisting of Vitamin C, L-glutamine, L-cystine or L-cysteine, riboflavin, succinic acid, fumaric acid, coenzyme Q10, and niacin. The present invention relates further to the use of the composition for minimizing the cell-damaging effect of radicals and harmful forms of oxygen, in particular of oxygen radicals or reactive oxygen species. The present invention relates to a composition comprising Vitamin C, L-glutamine, L-cystine or L-cysteine, riboflavin, succinic acid, fumaric acid, coenzyme Q10, and niacin, wherein the composition is administered in a concentration ranging from 10 to 20 mg/kg body weight. The present invention relates further to the composition for use in the treatment and/or prevention of radical and harmful forms of oxygen derived diseases, in particular of oxygen radical or reactive oxygen species derived diseases. The present invention relates further to the composition as a food supplement or dietary supplement.