This benefits people with low stomach acid (including many people over the age of 50) or those who take acid blockers such as Pepcid or Zantac, or proton pump inhibitors such as Prevacid, or Prilosec, who are at an increased risk for B-12 deficiency
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Apply Pressure : Post-Injection Care : Use a cotton ball or gauze to apply gentle pressure to the injection site for a few seconds
Reported or proposed issue Stomach upset with oral capsules Evidence source Informal community reports Known or theoretical
A deficiency of vitamin B12 can also cause shortness of breath or heart palpitations, as well as gastrointestinal symptoms including constipation, diarrhea, appetite loss, or gas