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.

What Is a Low B12 Reading?

Published Jul,08 2011 | By Laurel Heidtman

Vitamin B12 is necessary for healthy blood cells and nerves, as well as DNA production. B12 is attached to protein in food, but stomach acid separates the two. Your body then combines vitamin B12 with intrinsic factor, a protein made by your stomach and needed for vitamin B12 absorption.