Copper is a necessary component to support angiogenesis, so to some extent, lowering copper reduces the risk to develop benign and malignant tumors. Nausea and vomiting are not only common effects from copper toxicity, but they can also be experienced when Cu is supplemented with acidic foods or beverages, on an empty stomach, or with higher amounts of ascorbic acid. This does not apply to non-acidic forms of Vitamin C such as sodium ascorbate, or calcium ascorbate... Full Text