Magnesium acts in the metabolism of carbohydrates and energy production, helps calcium deposit in the bones; in the nervous system, magnesium is necessary for the transmission of nerve impulses, regulates cell development by controlling the processes that replace aged or worn-out cells. Possible deficiencies are usually due to chronic alcoholism, dietary imbalances, people with greater needs, such as pregnant women, children, and people with intense physical activity. A deficiency results in neuromuscular disorders, tremors and seizures, digestive and cardiovascular problems. Some people have absorption problems and digestive disorders; in these cases, magnesium in chelated form seems to minimize gastric discomfort. Directions for use: 4 tablets a day. Keep in a cool, dry place. Warnings: Keep out of reach of young children. Should not be consumed by pregnant women.