− | Magnesium is a mineral that is the second most common cation (positive ion) in '''intracellular fluid''', after [[Potassium - Nutrition|potassium]]. Its other main site of storage is in '''bone''', where about 50% of the bodys' magnesium is found. Like other minerals, magnesium is a reactive metal that is not found in its free state in nature but combined with other elements to form salts. | + | Magnesium is a mineral that is the second most common cation (positive ion) in '''intracellular fluid''', after [[Potassium - Nutrition|potassium]]. Its other main site of storage is in '''[[Bones - Anatomy & Physiology|bone]]''', where about 50% of the bodys' magnesium is found. Like other minerals, magnesium is a reactive metal that is not found in its free state in nature but combined with other elements to form salts. |