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Animal-based foods contain the highest amount of vitamin B12, this is why vegans and vegetarians are often at risk of developing a deficiency
Teens 12-17 old may only get a Pfizer booster
Report codes 90471-90474 for immunization administration of any vaccine that is not accompanied by face-to-face physician or other qualified health care professional counseling the patient and/or family, or for patients over 18 years of age
People with digestive conditions such as Crohn's disease, celiac disease, or other inflammatory bowel conditions often have a compromised gut lining and cannot absorb oral B12 efficiently
Non-clinical only: Not intended for diagnostic, therapeutic, or clinical use
10.1152/japplphysiol.00945.2010 11 ChenH
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