Copper deficiency is a rare nutritional deficiency that happens when you don’t get enough copper from food, or when your body doesn’t process the mineral like it should. Symptoms include fatigue, frequent infections, and numbness and tingling in your hands and feet. An inherited disorder and certain autoimmune diseases can cause it.
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Copper deficiency is a rare nutritional deficiency that happens when you don’t get enough copper from food, or your body can’t use the mineral like it should. You can develop the condition, but some people are born with a disorder that affects how their bodies process copper (Menkes disease).
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Copper is more than the metal that makes pennies or jewelry. You have copper throughout your body. There’s copper in enzymes that are important building blocks and support your immune system. It also helps build your red blood cells and bones. When you don’t have enough copper, you may have symptoms like fatigue, trouble walking or tingling sensations in your hands and feet. Healthcare providers treat the condition with copper supplements.
Symptoms vary depending on the cause. If you develop copper deficiency, your symptoms may include:
Several things may cause copper deficiency.
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Complications may include:
A healthcare provider will do a physical examination. They’ll ask about your medical history. This may include if you’ve had bariatric surgery, an inflammatory bowel disorder or an autoimmune disease that may lead to copper deficiency. They might ask if you take zinc supplements. They may order the following blood tests:
Healthcare providers prescribe copper supplements to boost the amount of copper in your body. The exact amount will vary depending on your overall health and your symptoms. In general, however, providers prescribe 2 milligrams of copper supplement. That’s about double the amount of copper that you’d get from food.
There’s no set time, and your treatment time will depend on your symptoms. For example, one study of a case of copper deficiency showed that taking copper supplements for about six weeks cured anemia that was causing fatigue. If you have a copper deficiency, your healthcare provider will explain what you can expect.
If tests show you have a copper deficiency, taking supplements as prescribed by your healthcare provider should increase the amount of copper in your body and eliminate your symptoms. But some of your symptoms may go away faster than others. So, ask your healthcare provider what you can expect.
If your overall health is good, adding certain foods to your meals will prevent copper deficiency. Adults need about 900 micrograms (mcg) daily. Some copper-rich foods include pan-fried beef liver, baking chocolate and unpeeled potatoes.
You should add copper-rich food to your menu and take supplements as directed. But remember — a little copper goes a long way. The upper limit for copper from all sources is 10,000 mcg daily. Taking in more than that can lead to copper toxicity that may damage your liver.
If you’re receiving treatment for copper deficiency, contact your provider if your symptoms don’t seem to be getting better. There may be another reason why you’re not feeling well despite increasing the amount of copper in your system.
Copper deficiency is rare, so you may want to know more about it. Here are some questions you may want to ask:
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Studies show your digestive system absorbs more copper from animal protein like beef liver or turkey giblets than other types of protein like tofu or salmon. Your healthcare provider or a dietitian may have more suggestions.
Copper is one of the many trace minerals that keep your body working like it should. Copper does a lot: It supports your immune system, builds strong bones and helps build red blood cells. That’s why copper deficiency could lead to diseases like anemia.
Copper deficiency symptoms include fatigue — feeling exhausted no matter how much rest you get — and a pins-and-needles feeling in your hands and feet. Talk to a healthcare provider if you have these symptoms. Copper deficiency may be the reason, or you may have another issue. Either way, it’s a good idea to get a diagnosis sooner rather than later.
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Last reviewed on 10/23/2025.
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