Answer: antioxidant

AnswerCrossword Clue
ANTIOXIDANTBeta carotene, for one
ANTIOXIDANTVitamin C, e.g.
ANTIOXIDANTBeneficial substance in fruits, vegetables and tea
antioxidantA substance such as vitamin C or E that removes potentially damaging oxidizing agents in a living organism
antioxidantA substance that inhibits oxidation, esp. one used to counteract the deterioration of stored food products
antioxidanta substance (as betacarotene or vitamin C) that inhibits oxidation