What you need to know about: Calcium supplements
Doctors recommend that adults try to get 1,000 to 1,200 milligrams (mg) of calcium per day from foods. Most people get about 700 mg of calcium in the diet. A low-dose calcium supplement pill can make up the difference—often only 500 mg per day in supplements will be needed. There is strong evidence that the combination of calcium (from diet alone or from a combination of diet and supplements) plus vitamin D helps protect against bone fractures. There is little evidence that calcium supplements taken alone achieve such bone benefits.
To continue reading this article, you must log in.
Source matters. Subscribe to HarvardHealthOnline+ FREE for 30 days for unlimited access to the site – where all content is reviewed by an HMS physician or faculty expert.
With HHO+ you get these exclusive benefits:
- Unlimited access to all Harvard Health Online content
- 4 expertly curated newsletters delivered monthly
- Customized website experience aligned to your health goals
- In-depth health guides on topics like sleep, exercise, and more
- Interactive features like videos and quizzes
- Members-only access to exclusive articles and resources
SPECIAL OFFER! UNLOCK EXPERT ACCESS for 30 days FREE!
Already 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.