in addition vitamin c supplementation was shown to inhibit skin , nose , tracheal , lung , and kidney carcinogenesis , to either not influence or enhance skin , mammary gland , and colon carcinogenesis , and to enhance urinary bladder carcinogenesis , when given as sodium ascorbate , but not when given as ascorbic acid .
C0887557
sodium ascorbate
C0003968
ascorbic acid