- Copper supplementation in humans does not affect the susceptibility of low density lipoprotein to in vitro induced oxidation (FOODCUE project). Turley, E., McKeown, A., Bonham, M.P., O'Connor, J.M., Chopra, M., Harvey, L.J., Majsak-Newman, G., Fairweather-Tait, S.J., Bügel, S., Sandström, B., Rock, E., Mazur, A., Rayssiguier, Y., Strain, J.J. Free Radic. Biol. Med. (2000)