Normally most of the copper in your blood is carried by a protein called ceruloplasmin. Adults have 50 to 120 milligrams (mg) of copper in their body, mostly in muscle and the liver. Copper helps make melanin, bone, and connective tissue. It also helps with many other processes in your body. The normal concentration of copper in plasma is around 1 mg/L, ranging up to about 1.5 mg/L (Bergomi et al., 1997; Ford, 2000; Romero et al., 2002; Arredondo et al., 2008). Women generally have higher plasma copper levels than men (Milne, 1998). Various health problems can disrupt normal copper levels. This can cause you to have too little copper (copper deficiency) or too much copper (copper toxicity). Because a normal diet has plenty … Continue reading Is there copper in our blood?