Heart Health
Magnesium helps the heart keep its mettle
Magnesium in action
Magnesium is one of the more plentiful minerals in the body. Half is stored in bone, and almost all the rest is locked inside cells. Only about 1% of magnesium is in the bloodstream. A normal blood level is between 1.8 and 2.3 mg/dL of blood.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.
Sign Me UpAlready a member? Login ».
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
