Large doses of vitamin C may cause iron deficiency anemia

Taking large doses (1500 mgm daily) of vitamin C to prevent the common cold may lead to iron-deficiency anemia, apparently by blockage of the effects of copper, which is essential for iron transport in the blood. Male volunteers given vitamin C supplements developed iron deficiency anemia despite an adequate iron intake. (Science News 124:281, October 29, 1983)
Copyright 1983 Phylis Austin

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