Since it is a mineral that is present in almost all foods lack arsenic is rarely manifested. Symptoms of arsenic deficiency in the body include: abnormal growth, problems with heart and bones.
There are few symptoms of poisoning with organic arsenic, even when consumed large amounts, while the effects of intake of large amounts of inorganic arsenic (more than 1 milligram) cause anemia (decreased number of red blood cells), and the disease known as arsenism (inflammation of the skin, changes in skin pigmentation), then cancer, depression, gastrointestinal problems, liver damage and nerve damage, hair loss, dermatitis, diarrhea and other gastrointestinal problems, nausea, headache, confusion, muscle, liver and kidney damage. In the worst case, death occurs.
The best way to determine the amount of arsenic is its determination in hair or blood.