Vitamin Rich Foods: Magnesium, Potassium & Iron Sources

Foods rich in magnesium, potassium, and calcium are essential for heart health and muscle function. Discover the best dietary sources for iron and B12, and learn how steaming vegetables compares to boiling for nutrient preservation.

Foods Containing Calcium Carbonate

Published Jul,08 2011 | By Stephanie M. Beaudette MEd., RDN

Calcium is an essential mineral that can be found naturally in foods such as dairy products, added to foods such as soy milk, or as a dietary supplement as calcium carbonate or calcium citrate. Calcium carbonate is a mineral naturally derived from the earth's limestone, marble or sedimentation of crushed marine shells.

Based in Colorado, Stephanie M. Beaudette has been a registered dietitian/nutritionist for over 18 years providing nutrition education and training to healthcare providers and the public. She received her Master of Education in nutrition sciences from the University of Cincinnati. Beaudette has extensive experience in prenatal nutrition, women's health, weight management and promoting overall health and wellness.