Functions: Helps maintain nerve functions, metabolism, heart rhythm, build strengthen b0nes, regulates body temperature.
Importance: Many systems (cardiovascular, nervous, digestive), as well as the brain, kidneys and liver rely on magnesium for their metabolism.
Source: It in not made in the body, and may be found in foods like spinach, almonds, whole grains, greens, halibut, black beans, peanuts.
USRDA: 400 mg/day for healthy adults over 30
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