vitamin b12 vitamin d3 injections side effect Are Shots Right for You? How Long Do The Side
Description
People with gut problems like Crohns disease or coeliac disease may need them too
Avoid during pregnancy
Starting with high doses (1,000 mcg to 2,000 mcg) weekly or biweekly is common
Starting doses on the lower end (300mcg) and progressing slowly makes sense
