8 A case-control study that compared 25,956 patients who had vitamin B 12 deficiency with 184,199 control patients found a significantly increased risk of vitamin B 12 deficiency in patients who had taken proton pump inhibitors (odds ratio = 1.65) or histamine H 2 blockers (odds ratio = 1.25) for at least two years
It depends on their health, lab results, and how they respond to treatment
Many children will show a response to some degree, often to a very noticeable degree
Understanding how B12 works and why injections are often more effective than pills helps you make an informed choice about your health
Less common : dizziness, mild gastrointestinal discomfort
Add to smoothies, yogurt, oats, salads, or mix into cool / room-temperature drinks