Side effects of calcium supplement?

Multiple. The body needs calcium to maintain strong bones. However, supplemental calcium can also contribute to calcification of arteries which can lead to strokes and heart attacks. Speak to your physician about how to best meet your calcium needs without increasing your risks. Natural sources of calcium are usually the safest.

Related Questions

Are there any side effects to taking a calcium supplement?

Depends. No serious side effects if taken as directed. If too much, can cause high calcium level in the blood and subsequently urine, kidney stone, low magnesium in blood, constipation, nausea...The last two symptoms can occur even at normal replacement dose. Read more...
Heart attacks. If you believe a metanalysis of several small studies published in a british medical journal 2 years ago. The national osteoporosis foundation in response has suggested getting calcium in food and has published several lists of foods high in calcium. Read more...

What are the common side effects of taking a high-dose calcium supplement?

Constipation. Most common adverse effect from calcium supplements is constipation. Ways to get more calcium while minimizing bad side effects would be to get calcium thru your diet- milk, cheese, yogurt, broccoli. If need supplements, try calcium citrate, and take with meals (bc acid helps absorption). Read more...
None are common. Side effects with the proper dose of calcium supplements are not common. Occasionally constipation is a problem. Read more...