Even when regularly consuming Vitamin C-rich foods, people exhibiting very high Copper levels rarely reach optimum levels of Vitamin C, unless they supplement in excess of 1,000 mg day, or unless they lower copper first through other means. Dr. Ronald Roth not only saw patients supplementing Vitamin C in the 5,000 mg - 10,000 mg range and just barely meet normal requirements, but they start to redevelop medical symptoms, as soon as they reduce that amount. So if there is a tendency to retain too much copper, and a daily multi-vitamin mineral tablet is supplemented, a brand should be chosen that does not contain any copper... Full Text