Magnesium is a supplement commonly used to naturally up magnesium levels in the body. It is an essential trace mineral that plays a vital role in over 300 bodily functions including muscle bone heart and joint health. Magnesium was first introduced in the 19th century and its use as a supplement has become increasingly popular in recent years due to the recognition of its various functions and bioavailability within the body. With its unique structure and water solubility it can easily pass through the GI tract without losing potency. This makes it a great option for people with specific sensitivities.