Magnesium is an essential mineral involved in over 300 reactions in the body supporting energy metabolism nerve muscle and heart function. Data shows 59% of US adults do not consume enough of this essential nutrient in diet alone. Nature Made Magnesium Citrate is a highly absorbable form of magnesium to help meet daily needs for this essential nutrient. Research studies show that citrate forms of minerals are more highly absorbable than other common forms.4-6 Citrate mineral salts are highly soluble and less dependent on stomach acid for absorption thus it may be gentle on the stomach. Citrate forms may be beneficial for individuals with decreased stomach acid production including older individuals and/or those taking certain medications (i.e. acid-suppressing medications).