Abstract: A combination that includes: a flavonoid, for example in an amount from about 0.1 g to about 1.5 g; and one or more of: ascorbic acid, ascorbate, or a combination thereof, for example in an amount from about 0.2 g to about 2.0 g; N-acetyl cysteine, for example in an amount from about 0.10 g to about 1.2 g; alpha-lipoic acid, for example in an amount from about 0.05 g to about 0.60 g; and at least one carotenoid, for example in an amount from about 1 mg to about 50 mg. The combination may be used to mitigate or prevent nuclear DNA damage, mitochondrial DNA damage, lipid peroxidation, protein carbonylation, or any combination thereof in a subject caused by oxidative stress.