Any of the following symptoms can be caused by a deficiency of CALCIUM:
[ ] Brittle fingernails, vertically ridged nails
[ ] Pain in forearm or biceps
[ ] Cramps in calf muscle during sleep or exercise
[ ] Painful cramping of feet or toes
[ ] Joint pains
[ ] Teeth prone to decay, frequent toothaches
[ ] Poor quality or malformation of bones
[ ] Nervous tics or twitches, twitching muscles
[ ] Nervousness, irritability, anxiety
[ ] Unusual sensitivity to noise
[ ] Insomnia
[ ] Heart palpitations
[ ] FEMALE: Excessive, lengthy, painful menses