Calcium
Scientific name
Ca
Effect
Necessary for firm bones and healthy teeth; involved in muscle contraction, absorption of vitamin B12 and iron, blood coagulation; maintains nervous system, hart and blood vessel condition.
RDA (= recommended daily allowence)
800 mg.
Possible causes of shortage
Unbalanced nutrition, shortage of vitamin D, high phosphor levels, pregnancy and nursing or use of anti-conception pills.
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