Magnesium deficiencies are common.
They occur often when either Potassium depleting drugs or laxatives are used. Conditions which cause deficiencies include alcoholism, burns, diabetes , and heart failure. Symptoms of magnesium deficiency include abnormal heart rhythms, muscle weakness, muscle spasms, depression , listlessness, and loss of appetite. Taking Vitamin B6 with magnesium increases its absorption by cells. Magnesium appears to have a relaxing effect in cases of mild anxiety .