A moderate increase in dietary zinc reduces DNA strand breaks in leukocytes and alters plasma proteins without changing plasma zinc concentrations.
Sarah J ZybaSwapna V ShenviDavid W KillileaTai C HollandElijah KimAdrian MoyBarbara SutherlandVirginia GildengorinMark K ShigenagaJanet C KingPublished in: The American journal of clinical nutrition (2016)
A moderate 4-mg/d increase in dietary zinc, similar to that which would be expected from zinc-biofortified crops, improves zinc absorption but does not alter plasma zinc. The repair of DNA strand breaks improves, as do serum protein concentrations that are associated with the DNA repair process. This trial was registered at clinicaltrials.gov as NCT02861352.