Controversy surrounds the practice of taking very large daily doses of vitamin C to prevent the common cold, because medical research has not supported this notion. Intake of very large amounts for long periods of time can also be harmful, even though vitamin C has a relatively low toxicity. A sufficient daily intake of fresh orange juice provides enough vitamin C for most purposes. Magnesium is an essential element in human metabolism and functions in the activities of muscles and nerves, protein synthesis, and many other reactions. Magnesium deficiency may occur in alcoholism, diabetes mellitus, pancreatitis, and renal diseases.
Prolonged deficiency can cause changes in heart and skeletal muscle.
Excessive retention of magnesium can occur in renal disease and results in muscle weakness and hypertension. Please click to visit our site.