Some symptoms of protein deficiency include constant cravings for carbohydrates, sweets, caffeine, chips and other processed, high-sugar or refined foods; muscle or joint pain, which is caused by a lack of protein reserv... More »

The normal total protein level in blood is 6 to 8.3 grams per deciliter, according to MedlinePlus. Blood protein levels may be higher during pregnancy. More »

Monoclonal proteins, or M proteins, are produced by a variety of white blood cells called plasma cells, explains Mayo Clinic. The condition known as monoclonal gammopathy of undetermined significance, or MGUS, refers to ... More »

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