> I've read somewhere (forgotten source )that taking extra vitamin C can cause > copper deficiency. For some consequences see below. > Thought to post just the URL, but either the link is broken or my browser is > getting temperamental again. > If anyone knows the source of the Vit. C/copper deficiency study, I would > like to have the URL. > > William > > > Grand Forks Human Nutrition Research Center > http://www.gfhnrc.ars.usda.gov/news/nws9903a.htm Your browser is acting up: The link works. And it's an interesting site. Their motto: "Better health and well-being through optimal nutrition" http://www.gfhnrc.ars.usda.gov/Default.htm